{"id":26587,"date":"2020-03-09T04:25:38","date_gmt":"2020-03-09T11:25:38","guid":{"rendered":"https:\/\/kinsta.com\/?p=65587&#038;preview=true&#038;preview_id=65587"},"modified":"2025-04-29T23:16:25","modified_gmt":"2025-04-29T14:16:25","slug":"google-pagespeed-insights","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/google-pagespeed-insights\/","title":{"rendered":"Google PageSpeed Insights\u3067100\u70b9\u6e80\u70b9\u3092\u53d6\u308b\u610f\u5473"},"content":{"rendered":"<p><a href=\"https:\/\/developers.google.com\/speed\/pagespeed\/insights\/\">Google PageSpeed Insights<\/a>\u306f\u9593\u9055\u3044\u306a\u304f\u3001\u3042\u3089\u3086\u308b\u30bf\u30a4\u30d7\u306e\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u3001\u958b\u767a\u8005\u3001\u30b5\u30a4\u30c8\u6240\u6709\u8005\u306b\u3068\u3063\u3066\u6709\u7528\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u305d\u3057\u3066\u3001\u3053\u306e\u30c6\u30b9\u30c8\u3067100\/100\u3092\u7372\u5f97\u3059\u308b\u305f\u3081\u306b\u3001\u591a\u304f\u306e\u4eba\u304c\u30b5\u30a4\u30c8\u306e\u6700\u9069\u5316\u306b\u6642\u9593\u3092\u8cbb\u3084\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u3053\u308c\u306fGoogle PageSpeed Insights\u306e\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5\u3067\u306f\u306a\u304f\u3001\u6c7a\u3057\u3066\u30da\u30fc\u30b8\u4e0a\u90e8\u306b\u8868\u793a\u3055\u308c\u308b\u6570\u5b57\u306b\u7ffb\u5f04\u3055\u308c\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306e\u63a8\u5968\u4e8b\u9805\u306e\u5b9f\u88c5\u306b\u7126\u70b9\u3092\u5408\u308f\u305b\u308b\u3068\u3001\u30b5\u30a4\u30c8\u306b\u591a\u304f\u306e\u30e1\u30ea\u30c3\u30c8\u304c\u3082\u305f\u3089\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u4eca\u56de\u306f\u3001Google PageSpeed Insights\u3092\u6700\u5927\u9650\u306b\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002Google\u306e\u30b9\u30b3\u30a2\u3092\u9069\u5207\u306b\u89e3\u91c8\u3059\u308b\u65b9\u6cd5\u3001\u305d\u3057\u3066\u63a8\u5968\u4e8b\u9805\u3078\u306e\u5bfe\u51e6\u65b9\u6cd5\u3082\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2>Google PageSpeed Insights\u306e\u57fa\u672c<\/h2>\n<p><a href=\"https:\/\/developers.google.com\/speed\/pagespeed\/insights\/\">Google PageSpeed Insights<\/a>\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6e2c\u5b9a\u3059\u308b\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002\u4efb\u610f\u306eURL\u3092\u5165\u529b\u3057\u3066\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/google-pagespeed-insights-1.png\" alt=\"google pagespeed insights\" width=\"1500\" height=\"718\"><figcaption class=\"wp-caption-text\">Google PageSpeed Insights<\/figcaption><\/figure>\n<p>URL\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u300c\u5206\u6790\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u57fa\u3065\u3044\u305f\u30b9\u30b3\u30a2\u304c100\u70b9\u6e80\u70b9\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/pagespeed-insights-score-1.png\" alt=\"Google PageSpeed Insights\u306e\u30b9\u30b3\u30a2\" width=\"1500\" height=\"830\"><figcaption class=\"wp-caption-text\">Google PageSpeed Insights\u306e\u30b9\u30b3\u30a2<\/figcaption><\/figure>\n<p>\u30b9\u30b3\u30a2\u3068\u3068\u3082\u306b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584\u65b9\u6cd5\u306b\u95a2\u3059\u308bGoogle\u304b\u3089\u306e\u63a8\u5968\u4e8b\u9805\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/pagespeed-insight-recommendations-1.png\" alt=\"Google PageSpeed Insights\u306b\u3088\u308b\u63a8\u5968\u4e8b\u9805\" width=\"1500\" height=\"1197\"><figcaption class=\"wp-caption-text\">Google PageSpeed Insights\u306b\u3088\u308b\u63a8\u5968\u4e8b\u9805<\/figcaption><\/figure>\n<p>2018\u5e74\u73fe\u5728\u3001PageSpeed Insights\u306e\u30b9\u30b3\u30a2\u306f\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306e\u5168\u4f53\u306e\u8cea\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306eGoogle\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u81ea\u52d5\u5316\u30c4\u30fc\u30eb\u3067\u3042\u308b<a href=\"https:\/\/developers.google.com\/web\/tools\/lighthouse\/\">Lighthouse<\/a>\u3092\u4ecb\u3057\u3066\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3001\u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u306a\u3069\u3001\u3042\u3089\u3086\u308b\u7a2e\u985e\u306e\u8981\u56e0\u3092\u8a55\u4fa1\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Lighthouse\u306b\u3088\u308b\u30b5\u30a4\u30c8\u306e\u5305\u62ec\u7684\u306a\u8a55\u4fa1\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001 <a href=\"https:\/\/web.dev\/measure\/\">Google\u306eMeasure<\/a>\u304c\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/google-measure-1.png\" alt=\"Google\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u306eMeasure\u3092\u4f7f\u3063\u3066\u30b5\u30a4\u30c8\u3092\u30c1\u30a7\u30c3\u30af\" width=\"1500\" height=\"898\"><figcaption class=\"wp-caption-text\">Google\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u306eMeasure\u3092\u4f7f\u3063\u3066\u30b5\u30a4\u30c8\u3092\u30c1\u30a7\u30c3\u30af<\/figcaption><\/figure>\n<p>Google PageSpeed Insights\u306e\u3088\u3046\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30c1\u30a7\u30c3\u30af\u306b\u52a0\u3048\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3001\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-does-seo-stand-for\/\">\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u6700\u9069\u5316\uff08SEO\uff09<\/a>\u306e\u30b9\u30b3\u30a2\u3082\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Google PageSpeed Insights\u3067100\u70b9\u6e80\u70b9\u3092\u53d6\u308b\u3053\u3068\u306e\u610f\u5473<\/h2>\n<p>\u5192\u982d\u3067\u8ff0\u3079\u305f\u3088\u3046\u306b\u3001\u5b8c\u74a7\u306aPageSpeed Insights\u30b9\u30b3\u30a2\u306e\u9054\u6210\u306b\u5922\u4e2d\u306b\u306a\u3063\u3066\u3044\u308b\u30b5\u30a4\u30c8\u6240\u6709\u8005\u3084\u958b\u767a\u8005\u306f\u305f\u304f\u3055\u3093\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u30c6\u30b9\u30c8\u7d50\u679c\u306e\u3088\u308a\u91cd\u8981\u306a\u5074\u9762\u3067\u3042\u308b\u63a8\u5968\u4e8b\u9805\u306f\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u3067\u3059\u3002<\/p>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u3067\u304d\u308b\u9650\u308a\u6539\u5584\u3059\u308b\u3088\u3046\u52aa\u529b\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u3059\u304c\u3001<strong>Google PageSpeed Insights<\/strong>\u3067<strong>100\/100<\/strong>\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u306f\u5b9f\u969b\u306b\u306f\u305d\u308c\u307b\u3069\u91cd\u8981\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u3082\u305d\u3082\u3001\u3053\u308c\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3064\u3044\u3066\u306e\u4e07\u80fd\u306a\u30c6\u30b9\u30c8\u3067\u3082\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>PageSpeed Insights\u3068\u306f\u7570\u306a\u308a\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/pingdom-speed-test\/\">Pingdom<\/a>\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3055\u307e\u3056\u307e\u306a\u5834\u6240\u304b\u3089\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/pingdom-tools-1.png\" alt=\"Pingdom\u306e\u30b9\u30d4\u30fc\u30c9\u30c6\u30b9\u30c8\u306e\u7d50\u679c\" width=\"1500\" height=\"913\"><figcaption class=\"wp-caption-text\">Pingdom\u306e\u30b9\u30d4\u30fc\u30c9\u30c6\u30b9\u30c8\u306e\u7d50\u679c<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/gtmetrix-speed-test\/\">GTmetrix<\/a>\uff08PageSpeed Insights\u3068<a href=\"http:\/\/yslow.org\/\">YSlow<\/a>\u306e\u30b9\u30b3\u30a2\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u8868\u793a\uff09\u3084<a href=\"https:\/\/www.webpagetest.org\/\">WebPageTest<\/a>\u306a\u3069\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u3053\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u306e\u30b9\u30b3\u30a2\u306f\u6b63\u78ba\u306b\u306f\u4e00\u81f4\u3057\u306a\u3044\u305f\u3081\u3001\u6570\u5024\u304c\u3069\u308c\u307b\u3069\u4e3b\u89b3\u7684\u3067\u3042\u308b\u304b\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u672c\u5f53\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u5b9f\u969b\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3067\u3059\u3002PageSpeed Insights\u3067100\/100\u3068\u3044\u3046\u30b9\u30b3\u30a2\u3092\u7372\u5f97\u3057\u3066\u3044\u306a\u3044\u3082\u306e\u306e\u3001\u30b5\u30a4\u30c8\u306e\u5e73\u5747\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c500\u30df\u30ea\u79d2\u672a\u6e80\uff08\u3053\u308c\u306f\u975e\u5e38\u306b\u9ad8\u901f\u3067\u3059\uff01\uff09\u3067\u3042\u308b\u30b5\u30a4\u30c8\u3092\u5b9f\u969b\u306b\u3044\u304f\u3064\u3082\u898b\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u901f\u5ea6\u6700\u9069\u5316\u3078\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u4ed6\u306e\u8981\u56e0\u3068\u3057\u3066\u3001\u30b5\u30a4\u30c8\u306e<a href=\"https:\/\/blog.teamtreehouse.com\/perceived-performance\">\u611f\u899a\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/a>\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u306f\u3001Google PageSpeed Insights\u306e\u30b9\u30b3\u30a2\u306a\u3069\u6c17\u306b\u3057\u307e\u305b\u3093\u3002\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u8868\u793a\u3057\u3066\u307b\u3057\u3044\u3060\u3051\u3067\u3059\u3002<\/p>\n<p>Google PageSpeed Insights\u3067\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30c6\u30b9\u30c8\u3059\u308b\u672c\u5f53\u306e\u76ee\u7684\u306f\u3001\u9ad8\u5f97\u70b9\u3092\u7372\u5f97\u3059\u308b\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u672c\u8cea\u306f\u3001\u30b5\u30a4\u30c8\u4e0a\u306e\u554f\u984c\u7b87\u6240\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u3002\u305d\u308c\u3092\u6700\u9069\u5316\u3059\u308c\u3070\u3001\u5b9f\u969b\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3068\u611f\u899a\u7684\u306a\u8aad\u307f\u8fbc\u307f\u6642\u9593\u306e\u4e21\u65b9\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Google\u306fPageSpeed Insights\u3092\u3069\u306e\u3088\u3046\u306b\u4f7f\u7528\u3057\u3066\u3044\u308b\u306e\u304b<\/h2>\n<p>\u30b5\u30a4\u30c8\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\uff08UX\uff09\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u306b\u52a0\u3048\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/conversion-rate-optimization-tips\/#page-load-speed\">\u30b5\u30a4\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306fSEO\u306b\u3082\u5f71\u97ff\u3092\u53ca\u307c\u3057<\/a>\u307e\u3059\u3002PageSpeed Insights\u304c\u4e16\u754c\u6700\u5927\u304b\u3064\u6700\u3082\u4eba\u6c17\u306e\u3042\u308b\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306b\u3088\u308a\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30b9\u30b3\u30a2\u304c\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u7d50\u679c\u30da\u30fc\u30b8\uff08SERP\uff09\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\uff08\u5c11\u306a\u304f\u3068\u3082Google\u3067\u306f\uff09\u306b\u4f55\u3089\u304b\u306e\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3068\u8003\u3048\u308b\u306e\u304c\u81ea\u7136\u3067\u3059\u3002<\/p>\n<p>Google\u306fPageSpeed Insights\u3092\u6307\u6a19\u306e\u4e00\u90e8\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u30e9\u30f3\u30ad\u30f3\u30b0\u3092\u6c7a\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u901f\u5ea6\u306f\u3001\u30b7\u30f3\u30d7\u30eb\u306b\u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u7d20\u306e\u4e00\u7a2e\u3067\u3059\u3002\u305d\u306e\u3088\u3046\u306a\u610f\u5473\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u306e\u30b9\u30b3\u30a2\u304b\u3089\u3001\u3053\u308c\u304c\u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u63a8\u3057\u91cf\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001Google\u306f\u3001PageSpeed\u306e\u7d50\u679c\u4e0a\u90e8\u306b\u8868\u793a\u3055\u308c\u308b\u4e38\u306e\u4e2d\u306e\u6570\u5b57\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u308c\u4ee5\u4e0a\u306e\u8981\u7d20\u3092\u8003\u616e\u3057\u307e\u3059\u3002\u4eee\u306b100\/100\u3092\u8a18\u9332\u3057\u305f\u3068\u3057\u3066\u3082\u3001SERP\u3067\u30c8\u30c3\u30d7\u304c\u7372\u5f97\u3067\u304d\u308b\u3068\u4fdd\u8a3c\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><span data-sheets-value=\"{\"1\":2,\"2\":\"[inarticle-cta]\"}\" data-sheets-userformat=\"{\"2\":6659,\"3\":{\"1\":0},\"4\":{\"1\":2,\"2\":16777215},\"12\":0,\"14\":{\"1\":2,\"2\":0},\"15\":\"Roboto, RobotoDraft, Helvetica, Arial, sans-serif\"}\"><\/span><\/p>\n<p>\u305d\u3046\u306f\u8a00\u3063\u3066\u3082\u3001SEO\u6539\u5584\u306e\u305f\u3081\u306b\u3001PageSpeed Insights\u306e\u7d50\u679c\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u73fe\u306b2018\u5e74\u304b\u3089\u3001<a href=\"https:\/\/webmasters.googleblog.com\/2018\/01\/using-page-speed-in-mobile-search.html\">\u30e2\u30d0\u30a4\u30eb\u30da\u30fc\u30b8\u306e\u901f\u5ea6\u304cGoogle\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u7d20<\/a>\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u306b\u306f\u3001\u30b5\u30a4\u30c8\u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u30e2\u30d0\u30a4\u30eb\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4e21\u65b9\u306e\u30c7\u30fc\u30bf\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/pagespeed-insights-mobile-1.png\" alt=\"Google PageSpeed Insights\u306e\u30e2\u30d0\u30a4\u30eb\u30bf\u30d6\" width=\"1500\" height=\"830\"><figcaption class=\"wp-caption-text\">Google PageSpeed Insights\u306e\u30e2\u30d0\u30a4\u30eb\u30bf\u30d6<\/figcaption><\/figure>\n<p><a href=\"https:\/\/neilpatel.com\/blog\/loading-time\/\">\u30e2\u30d0\u30a4\u30eb\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30e6\u30fc\u30b6\u30fc\u306e73\uff05<\/a>\u4ee5\u4e0a\u304c\u300c\u8aad\u307f\u8fbc\u307f\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3059\u304e\u308b\u30b5\u30a4\u30c8\u306b\u906d\u9047\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u300d\u3068\u3044\u3046\u72b6\u6cc1\u3092\u8003\u3048\u308b\u3068\u3001Google PageSpeed Insights\u306e\u300c\u30e2\u30d0\u30a4\u30eb\u300d\u30bf\u30d6\u306e\u60c5\u5831\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306e\u63a8\u5968\u4e8b\u9805\u3092\u4f7f\u7528\u3057\u3066\u3001\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3084\u305d\u306e\u4ed6\u306e\u30c7\u30d0\u30a4\u30b9\u3067<a href=\"https:\/\/kinsta.com\/jp\/learn\/speed-up-wordpress\/\">\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e<\/a>\u3059\u308b\u3068\u3001\u7af6\u4e89\u529b\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n<h2>Google PageSpeed Insights\u306e\u63a8\u5968\u4e8b\u9805\uff08\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6539\u5584\u3059\u308b24\u306e\u65b9\u6cd5\uff09<\/h2>\n<p>\u3053\u3053\u307e\u3067\u65e2\u306bGoogle PageSpeed Insights\u306e\u63a8\u5968\u4e8b\u9805\u306b\u3064\u3044\u3066\u591a\u304f\u306e\u3053\u3068\u3092\u304a\u4f1d\u3048\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u7d50\u679c\u306e\u672c\u8cea\u3067\u3042\u308a\u3001\u6570\u5b57\u3067\u306e\u30b9\u30b3\u30a2\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u91cd\u8981\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u3053\u3053\u304b\u3089\u306f\u5168\u3066\u3001\u63a8\u5968\u4e8b\u9805\u3092\u6df1\u304f\u7406\u89e3\u3059\u308b\u3053\u3068\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u500b\u3005\u306e\u63d0\u6848\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3059\u308b\u524d\u306b\u3001\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u300d\u3068\u300c\u30e9\u30dc\u30c7\u30fc\u30bf\u300d\u306e\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u524d\u8005\u306f\u3001\u904e\u53bb30\u65e5\u9593\u306eChrome\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u30ec\u30dd\u30fc\u30c8\u3092\u4f7f\u3044\u3001\u3042\u306a\u305f\u306e\u30b5\u30a4\u30c8\u3068\u4ed6\u306e\u30b5\u30a4\u30c8\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001<a href=\"https:\/\/developers.google.com\/web\/tools\/lighthouse\/audits\/first-contentful-paint\">First Contentful Paint (FCP)<\/a> \u3068<a href=\"https:\/\/developers.google.com\/web\/updates\/2018\/05\/first-input-delay\">\u521d\u56de\u5165\u529b\u9045\u5ef6 (FID)<\/a> \u306e\u5e73\u5747\u5024\u3092\u793a\u30592\u3064\u306e\u30c1\u30e3\u30fc\u30c8\u3082\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/field-data-1.png\" alt=\"Google PageSpeed Insights\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\" width=\"1500\" height=\"565\"><figcaption class=\"wp-caption-text\">Google PageSpeed Insights\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf<\/figcaption><\/figure>\n<p>\u4e0a\u306e\u753b\u50cf\u306f\u3001\u30b5\u30a4\u30c8\u306eFCP\u306f75\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u306e\u30b5\u30a4\u30c8\u306e45%\u3068\u307b\u307c\u540c\u3058\u3067\u3042\u308a\u3001FID\u306f95\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u306e9%\u3068\u307b\u307c\u540c\u3058\u3001\u3068\u3044\u3046\u610f\u5473\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30e9\u30dc\u30c7\u30fc\u30bf\u306f\u3001\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u3057\u305f\u969b\u306e\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/lab-data-1.png\" alt=\"Google PageSpeed Insights\u306e\u30e9\u30dc\u30c7\u30fc\u30bf\" width=\"1500\" height=\"465\"><figcaption class=\"wp-caption-text\">Google PageSpeed Insights\u306e\u30e9\u30dc\u30c7\u30fc\u30bf<\/figcaption><\/figure>\n<p>\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u300d\u3068\u300c\u30e9\u30dc\u30c7\u30fc\u30bf\u300d\u304c<a href=\"https:\/\/developers.google.com\/speed\/docs\/insights\/v5\/about#faq\">\u5b8c\u5168\u306b\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044<\/a>\u3053\u3068\u306b\u6c17\u4ed8\u304f\u3067\u3057\u3087\u3046\u2014\u3053\u308c\u306f\u6b63\u5e38\u3067\u3059\u3002\u300c\u30e9\u30dc\u30c7\u30fc\u30bf\u300d\u306f\u4e00\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u4f5c\u6210\u3055\u308c\u308b\u3082\u306e\u3067\u3001\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u300d\u306f\u5b9f\u969b\u306b\u53ce\u96c6\u3055\u308c\u305f\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u300c\u30d5\u30a3\u30fc\u30eb\u30c9\u30c7\u30fc\u30bf\u300d\u3068\u300c\u30e9\u30dc\u30c7\u30fc\u30bf\u300d\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u898b\u308b\u3068\u3001\u30b5\u30a4\u30c8\u306e\u5b9f\u969b\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u63a8\u3057\u91cf\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u524d\u8ff0\u306e\u3088\u3046\u306b\u3001\u3053\u308c\u306fPageSpeed\u30b9\u30b3\u30a2\u3088\u308a\u3082\u91cd\u8981\u306a\u306e\u3067\u3001\u3053\u3061\u3089\u306e\u6570\u5024\u306b\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u70b9\u3092\u8e0f\u307e\u3048\u305f\u4e0a\u3067\u3001Google PageSpeed\u306e\u63a8\u5968\u4e8b\u9805\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u3092\u958b\u59cb\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>1. \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u9664\u5916<\/h3>\n<p>Google PageSpeed Insights\u304b\u3089\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u63a8\u5968\u4e8b\u9805\u306e1\u3064\u304c\u3001\u300c<a href=\"https:\/\/kinsta.com\/jp\/blog\/eliminate-render-blocking-javascript-css\/\">\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u9664\u5916<\/a>\u300d\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1476px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/eliminate-render-blocking-resources-1.png\" alt=\"\u300c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u9664\u5916\u300d\" width=\"1476\" height=\"468\"><figcaption class=\"wp-caption-text\">\u300c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u9664\u5916\u300d<\/figcaption><\/figure>\n<p>\u3053\u308c\u306f\u3001\u30da\u30fc\u30b8\u306e\u3059\u3070\u3084\u3044\u8aad\u307f\u8fbc\u307f\u3092\u963b\u5bb3\u3057\u3066\u3044\u308bJavaScript\u3084CSS\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u8a2a\u554f\u8005\u306e\u30d6\u30e9\u30a6\u30b6\u306f\u3001\u30da\u30fc\u30b8\u306e\u6b8b\u308a\u3092\u8868\u793a\u3059\u308b\u524d\u306b\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u51e6\u7406\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u300c\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u898b\u3048\u308b\u7bc4\u56f2\u300d\u306b\u591a\u304f\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308b\u3068\u3001\u30b5\u30a4\u30c8\u306e\u901f\u5ea6\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3053\u3068\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u554f\u984c\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001 <a href=\"https:\/\/kinsta.com\/jp\/blog\/eliminate-render-blocking-javascript-css\/\">\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002Google\u306e\u63d0\u793a\u3059\u308b\u89e3\u6c7a\u7b56\u306f2\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>JavaScript\u3084CSS\u304c\u3042\u307e\u308a\u591a\u304f\u306a\u3044\u5834\u5408\u306f\u3001\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u3057\u3066\u3053\u306e\u8b66\u544a\u3092\u53d6\u308a\u9664\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001JavaScript\u3084CSS\u3092HTML\u30d5\u30a1\u30a4\u30eb\u306b\u7d44\u307f\u8fbc\u307f\u307e\u3059\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001<a href=\"https:\/\/wordpress.org\/plugins\/autoptimize\/\">Autoptimize<\/a>\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306f\u975e\u5e38\u306b\u5c0f\u3055\u306a\u30b5\u30a4\u30c8\u3067\u306e\u307f\u6a5f\u80fd\u3057\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306eWordPress\u30b5\u30a4\u30c8\u306b\u306f\u5341\u5206\u306aJavaScript\u304c\u3042\u308a\u3001\u3053\u306e\u65b9\u6cd5\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u5b9f\u969b\u306b\u901f\u5ea6\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li>\u3082\u30461\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/defer-parsing-of-javascript\/\">JavaScript\u306e\u8aad\u307f\u8fbc\u307f\u3092\u9045\u3089\u305b\u308b<\/a>\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u5c5e\u6027\u306f\u3001HTML\u89e3\u6790\u4e2d\u306bJavaScript\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u304c\u3001\u89e3\u6790\u306e\u5b8c\u4e86\u5f8c\u306b\u306e\u307f\u5b9f\u884c\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u306e\u5c5e\u6027\u3092\u6301\u3064\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u30da\u30fc\u30b8\u306b\u8868\u793a\u3055\u308c\u308b\u9806\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>PageSpeed\u306e\u63a8\u5968\u4e8b\u9805\u306e\u4e0b\u306b\u306f\u3001\u3053\u306e\u554f\u984c\u306b\u3088\u308a\u5f71\u97ff\u3092\u6700\u3082\u53d7\u3051\u3066\u3044\u308b\u30ea\u30bd\u30fc\u30b9\u304c\u63b2\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>2. \u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6df1\u3055\u306e\u6700\u5c0f\u5316<\/h3>\n<p><a href=\"https:\/\/developers.google.com\/web\/tools\/lighthouse\/audits\/critical-request-chains\">\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6df1\u3055<\/a>\u306f\u3001\u30af\u30ea\u30c6\u30a3\u30ab\u30eb \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0 \u30d1\u30b9\uff08CRP\uff09\u306e\u6700\u9069\u5316\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3088\u308b\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u65b9\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002\u4e0a\u3067\u8aac\u660e\u3057\u305fJavaScript\u3084CSS\u306a\u3069\u306e\u7279\u5b9a\u306e\u8981\u7d20\u306f\u3001\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u524d\u306b\u5b8c\u5168\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u63d0\u6848\u306e\u4e00\u74b0\u3068\u3057\u3066\u3001Google PageSpeed Insights\u306f\u5206\u6790\u30da\u30fc\u30b8\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u30c1\u30a7\u30fc\u30f3\u3092\u8868\u793a\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1496px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/avoid-chaining-requests-1.png\" alt=\"\u300c\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6df1\u3055\u306e\u6700\u5c0f\u5316\u300d\" width=\"1496\" height=\"1302\"><figcaption class=\"wp-caption-text\">\u300c\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6df1\u3055\u306e\u6700\u5c0f\u5316\u300d<\/figcaption><\/figure>\n<p>\u3053\u306e\u56f3\u306f\u3001\u30da\u30fc\u30b8\u8868\u793a\u524d\u306b\u5b9f\u884c\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u4e00\u9023\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u5404\u30ea\u30bd\u30fc\u30b9\u306e\u30b5\u30a4\u30ba\u3082\u308f\u304b\u308a\u307e\u3059\u3002\u7406\u60f3\u7684\u306b\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6570\u3068\u30b5\u30a4\u30ba\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u6271\u3046\u4ed6\u306e\u63a8\u5968\u4e8b\u9805\u3092\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u306e\u9762\u304b\u3089\u3053\u308c\u3092\u9054\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u9664\u5916<\/li>\n<li>\u30aa\u30d5\u30b9\u30af\u30ea\u30fc\u30f3\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f<\/li>\n<li>CSS\u3068JavaScript\u306e\u6700\u5c0f\u5316<\/li>\n<\/ul>\n<p>\u3055\u3089\u306b\u3001CRP\u3092\u77ed\u7e2e\u3059\u308b\u305f\u3081\u306b\u3001\u30a2\u30bb\u30c3\u30c8\u8aad\u307f\u8fbc\u307f\u306e\u9806\u5e8f\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u898b\u3048\u308b\u7bc4\u56f2\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u3001\u3001HTML\u30d5\u30a1\u30a4\u30eb\u5148\u982d\u3078\u306e\u79fb\u52d5\u3067\u3059\u3002CRP\u6700\u9069\u5316\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/kinsta.com\/blog\/critical-rendering-path\/\">WordPress\u306e\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30d1\u30b9\u3092\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u5927\u4e8b\u306a\u70b9\u3068\u3057\u3066\u3001\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6df1\u3055\u306b\u7d76\u5bfe\u7684\u306a\u7b54\u3048\u306f\u3042\u308a\u307e\u305b\u3093\u3002Google PageSpeed Insights\u306f\u3001\u4ed6\u306e\u591a\u304f\u306e\u63a8\u5968\u4e8b\u9805\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u306e\u76e3\u67fb\u3092\u300c\u5408\u683c\u300d\u307e\u305f\u306f\u300c\u4e0d\u5408\u683c\u300d\u3068\u3057\u3066\u5224\u65ad\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u60c5\u5831\u306f\u3001\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>3. \u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u5c11\u306a\u304f\u3001\u8ee2\u9001\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u7dad\u6301\u3059\u308b<\/h3>\n<p>\u30d6\u30e9\u30a6\u30b6\u304c\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306b\u591a\u304f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046\u5fc5\u8981\u304c\u3042\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u5fdc\u7b54\u3067\u8fd4\u3059\u30ea\u30bd\u30fc\u30b9\u304c\u5927\u304d\u3044\u307b\u3069\u3001Web\u30b5\u30a4\u30c8\u306e\u8aad\u307f\u8fbc\u307f\u306b\u304b\u304b\u308b\u6642\u9593\u304c\u9577\u304f\u306a\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001Google\u304c\u3001\u5fc5\u8981\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6570\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u30ea\u30bd\u30fc\u30b9\u306e\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3059\u308b\u306e\u306f\u3001\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u63a8\u5968\u4e8b\u9805\u300c\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6df1\u3055\u306e\u6700\u5c0f\u5316\u300d\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u3053\u308c\u3082\u300c\u5408\u683c\u300d\u307e\u305f\u306f\u300c\u4e0d\u5408\u683c\u300d\u3067\u306f\u5224\u65ad\u3055\u308c\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6570\u3068\u30b5\u30a4\u30ba\u304c\u4e00\u89a7\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/request-counts-low-1.png\" alt=\"\u300c\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u5c11\u306a\u304f\u3001\u8ee2\u9001\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u7dad\u6301\u300d\" width=\"1500\" height=\"997\"><figcaption class=\"wp-caption-text\">\u300c\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u5c11\u306a\u304f\u3001\u8ee2\u9001\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u7dad\u6301\u300d<\/figcaption><\/figure>\n<p>\u57fa\u6e96\u3068\u306a\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3084\u6700\u5927\u30b5\u30a4\u30ba\u306f\u3042\u308a\u307e\u305b\u3093\u3002Google\u306f\u4ee3\u308f\u308a\u306b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d0\u30b8\u30a7\u30c3\u30c8\u3092\u8a2d\u3051\u308b\u3053\u3068\u3067\u57fa\u6e96\u3092\u7528\u610f\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5074\u9762\u3092\u8003\u616e\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u6700\u5927\u753b\u50cf\u30b5\u30a4\u30ba<\/li>\n<li>\u4f7f\u7528\u3059\u308b\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u306e\u6570<\/li>\n<li>\u547c\u3073\u51fa\u3059\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u306e\u6570<\/li>\n<li>\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u30b5\u30a4\u30ba<\/li>\n<\/ul>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d0\u30b8\u30a7\u30c3\u30c8\uff08\u6ce8\u91c8\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3064\u3044\u3066\u306e\u6307\u6a19\u306e\u4e0a\u9650\uff09\u3092\u4f5c\u6210\u3059\u308b\u3068\u3001\u65e5\u3005\u306e\u884c\u52d5\u306e\u57fa\u6e96\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u30d0\u30b8\u30a7\u30c3\u30c8\u3092\u8d85\u3048\u305f\u3089\u3001\u30ea\u30bd\u30fc\u30b9\u3092\u524a\u9664\u3059\u308b\u304b\u6700\u9069\u5316\u3059\u308b\u304b\u3092\u6c7a\u3081\u3066\u3001\u4e8b\u524d\u306b\u6c7a\u3081\u305f\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306b\u5f93\u3046\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002Google\u72ec\u81ea\u306e\u30ac\u30a4\u30c9\u304b\u3089\u3001<a href=\"https:\/\/web.dev\/your-first-performance-budget\/\">\u4f5c\u6210\u65b9\u6cd5\u306e\u8a73\u7d30<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4>4. CSS\u306e\u6700\u5c0f\u5316<\/h4>\n<p>CSS\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u4eba\u9593\u306e\u8aad\u307f\u3084\u3059\u3055\u306e\u305f\u3081\u306b\u3001\u5fc5\u8981\u4ee5\u4e0a\u306b\u5927\u304d\u304f\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u305d\u306e\u5185\u5bb9\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u3067\u306f\u306a\u3044\u3055\u307e\u3056\u307e\u306a\u30ad\u30e3\u30ea\u30c3\u30b8\u30ea\u30bf\u30fc\u30f3\u3068\u30b9\u30da\u30fc\u30b9\u304c\u542b\u307e\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>CSS\u306e\u6700\u5c0f\u5316\u3068\u306f\u3001\u4e0d\u8981\u306a\u6587\u5b57\u3001\u30b9\u30da\u30fc\u30b9\u3001\u91cd\u8907\u3092\u6392\u9664\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u5727\u7e2e\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002CSS\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308a\u3001\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u305f\u3081\u3001Google\u306f\u3053\u306e\u65b9\u6cd5\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1456px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/minify-css-1.png\" alt=\"\u300cCSS\u306e\u6700\u5c0f\u5316\u300d\" width=\"1456\" height=\"382\"><figcaption class=\"wp-caption-text\">\u300cCSS\u306e\u6700\u5c0f\u5316\u300d<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/blog\/autoptimize-settings\/#css-options\">Autoptimize<\/a>\u3084<a href=\"https:\/\/wp-rocket.me\/\">WP Rocket<\/a>\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001CSS\u30d5\u30a1\u30a4\u30eb\u3092\u7e2e\u5c0f\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<h3>5. JavaScript\u306e\u6700\u5c0f\u5316<\/h3>\n<p>\u7e2e\u5c0f\u306b\u3088\u3063\u3066CSS\u30d5\u30a1\u30a4\u30eb\u306e\u30b5\u30a4\u30ba\u3092\u7e2e\u5c0f\u3067\u304d\u308b\u3088\u3046\u306b\u3001JavaScript\u30d5\u30a1\u30a4\u30eb\u306b\u3082\u540c\u3058\u3053\u3068\u304c\u8a00\u3048\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1456px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/minify-javascript-1.png\" alt=\"\u300cJavaScript\u306e\u6700\u5c0f\u5316\u300d\" width=\"1456\" height=\"380\"><figcaption class=\"wp-caption-text\">\u300cJavaScript\u306e\u6700\u5c0f\u5316\u300d<\/figcaption><\/figure>\n<p>Autoptimize\u3084WP Rocket\u306f\u3001WordPress\u30b5\u30a4\u30c8\u3067\u3053\u306e\u30bf\u30b9\u30af\u3082\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>6. \u4f7f\u7528\u3057\u3066\u3044\u306a\u3044CSS\u3092\u524a\u9664<\/h3>\n<p>\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\u306e\u30b3\u30fc\u30c9\u306f\u5168\u3066\u3001\u30da\u30fc\u30b8\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u30b5\u30a4\u30c8\u306e\u5f79\u306b\u7acb\u305f\u306a\u3044CSS\u304c\u3042\u308b\u5834\u5408\u3001\u7121\u99c4\u306a\u5834\u6240\u306b\u52b4\u529b\u3092\u6295\u3058\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3060\u304b\u3089\u3053\u305d\u3001Google\u306f<a href=\"https:\/\/web.dev\/unused-css-rules\/\">\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044CSS\u3092\u524a\u9664<\/a>\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1452px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/remove-unused-css-1.png\" alt=\"\u300c\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044CSS\u3092\u524a\u9664\u300d\" width=\"1452\" height=\"552\"><figcaption class=\"wp-caption-text\">\u300c\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044CSS\u3092\u524a\u9664\u300d<\/figcaption><\/figure>\n<p>\u3053\u3053\u3067\u306e\u8003\u3048\u65b9\u306f\u3001\u672c\u8cea\u7684\u306b\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308bCSS\u306e\u9664\u5916\u3068\u540c\u3058\u3067\u3059\u3002\u30da\u30fc\u30b8\u306e\u305f\u3081\u306b\u306a\u308b\u65b9\u6cd5\u3067\u3001\u30b9\u30bf\u30a4\u30eb\u3092\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u307e\u305f\u306f\u9045\u5ef6\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001<a href=\"https:\/\/developers.google.com\/web\/tools\/chrome-devtools\">Chrome DevTools<\/a>\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u3001\u6700\u9069\u5316\u304c\u5fc5\u8981\u306a<a href=\"https:\/\/developers.google.com\/web\/tools\/chrome-devtools\/css\/reference#coverage\">\u4f7f\u308f\u308c\u3066\u3044\u306a\u3044CSS\u3092\u898b\u3064\u3051\u308b<\/a>\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>7. \u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u306e\u6700\u5c0f\u5316<\/h3>\n<p>\u300c\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u300d\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u4e3b\u8981\u306a\u8981\u7d20\u3067\u3042\u308a\u3001\u30b3\u30fc\u30c9\u3092\uff08\u8a2a\u554f\u8005\u304c\u64cd\u4f5c\u3059\u308b\u3053\u3068\u306e\u3067\u304d\u308b\uff09Web\u30da\u30fc\u30b8\u306b\u5909\u3048\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002HTML\u3001CSS\u3001JavaScript\u3092\u89e3\u6790\u3001\u5b9f\u884c\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3\u306e\u51e6\u7406\u3082\u62c5\u3044\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304c\u30b5\u30a4\u30c8\u306e\u30b3\u30fc\u30c9\u3092\u51e6\u7406\u3059\u308b\u6642\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u4f5c\u696d\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3059\u304e\u308b\u3068\u3001UX\u304c\u4f4e\u4e0b\u3057\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u9045\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Google PageSpeed\u306f\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u4f5c\u696d\u3092\u5b8c\u4e86\u3057\u3001\u5229\u7528\u53ef\u80fd\u306a\u72b6\u614b\u306eWeb\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u306e\u306b4\u79d2\u4ee5\u4e0a\u304b\u304b\u308b\u30da\u30fc\u30b8\u306b\u30d5\u30e9\u30b0\u3092\u4ed8\u3051\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1452px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/minimize-mainthread-work-1.png\" alt=\"\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u306e\u6700\u5c0f\u5316\" width=\"1452\" height=\"254\"><figcaption class=\"wp-caption-text\">\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u51e6\u7406\u306e\u6700\u5c0f\u5316<\/figcaption><\/figure>\n<p>\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u4f5c\u696d\u3092\u8efd\u6e1b\u3059\u308b\u65b9\u6cd5\u306e\u4e00\u90e8\u306f\u3001\u3053\u306e\u8a18\u4e8b\u306e\u4ed6\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3054\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u30b3\u30fc\u30c9\u306e\u6700\u5c0f\u5316<\/li>\n<li>\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30b3\u30fc\u30c9\u306e\u524a\u9664<\/li>\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b9f\u65bd<\/li>\n<\/ul>\n<p>\u52a0\u3048\u3066\u3001\u30b3\u30fc\u30c9\u306e\u5206\u5272\u3092\u691c\u8a0e\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3059\u3079\u3066\u3092\u8aad\u307f\u8fbc\u307e\u305b\u3066\u30da\u30fc\u30b8\u3092\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306b\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001JavaScript\u304c\u5fc5\u8981\u3068\u3055\u308c\u308b\u3068\u304d\u306b\u3060\u3051\u5b9f\u884c\u3067\u304d\u308b\u30d0\u30f3\u30c9\u30eb\u3078\u3068\u5206\u5272\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30fc\u30c9\u306e\u5206\u5272\u306e\u5b9f\u88c5\u306b\u306f<a href=\"https:\/\/webpack.js.org\/guides\/code-splitting\/\">Webpack<\/a>\u304c\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u304b\u306a\u308a\u9ad8\u5ea6\u306a\u624b\u6cd5\u3067\u3059\u306e\u3067\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002\u901a\u5e38\u3001\u521d\u5fc3\u8005\u306f\u5358\u72ec\u3067\u884c\u308f\u306a\u3044\u65b9\u304c\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h3>8. JavaScript\u306e\u5b9f\u884c\u306b\u304b\u304b\u308b\u6642\u9593\u306e\u4f4e\u6e1b<\/h3>\n<p>JavaScript\u306e\u5b9f\u884c\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u4e2d\u3067\u3082\u6700\u3082\u9855\u8457\u306a\u4f5c\u696d\u306b\u306a\u308a\u304c\u3061\u3067\u3059\u3002PageSpeed Insights\u306b\u306f\u3001\u3053\u306e\u30bf\u30b9\u30af\u304c\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u3044\u308b\u5834\u5408\u306b\u8b66\u544a\u3059\u308b\u305f\u3081\u306e\u500b\u5225\u306e\u63a8\u5968\u4e8b\u9805\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1452px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/reduce-javascript-execution-1.png\" alt=\"\u300cJavaScript\u306e\u5b9f\u884c\u306b\u304b\u304b\u308b\u6642\u9593\u306e\u4f4e\u6e1b\u300d\" width=\"1452\" height=\"254\"><figcaption class=\"wp-caption-text\">\u300cJavaScript\u306e\u5b9f\u884c\u306b\u304b\u304b\u308b\u6642\u9593\u306e\u4f4e\u6e1b\u300d<\/figcaption><\/figure>\n<p>\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u4f5c\u696d\u3092\u6e1b\u3089\u3059\u305f\u3081\u306b\u4e0a\u3067\u3054\u7d39\u4ecb\u3057\u305f\u65b9\u6cd5\u306f\u3001PageSpeed\u306e\u3053\u306e\u8b66\u544a\u306e\u89e3\u6c7a\u306b\u3082\u3064\u306a\u304c\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<h3>9. \u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6e1b\u3089\u3059<\/h3>\n<p>\u300cTime to First Byte\u300d\uff08TTFB\uff09\u3068\u306f\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3063\u305f\u5f8c\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c7\u30fc\u30bf\u306e\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u4fe1\u3059\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3067\u3059\u3002\u3053\u308c\u306f\u30b5\u30a4\u30c8\u306e\u5168\u4f53\u7684\u306a\u901f\u5ea6\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001TTFB\u3092\u4f4e\u304f\u3059\u308b\u3068\u3001\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3060\u304b\u3089\u3053\u305d\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b\u3053\u3068\u304c\u3001Google PageSpeed Insights\u306e\u63a8\u5968\u4e8b\u9805\u306e1\u3064\u3068\u3057\u3066\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002TTFB\u3092\u77ed\u304f\u3059\u308b\u3053\u3068\u306b\u6210\u529f\u3059\u308b\u3068\u3001\u5408\u683c\u3057\u305f\u76e3\u67fb\u306e\u9805\u76ee\u306b\u6b21\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1464px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/reduce-ttfb-1.png\" alt=\"\u300c\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u304c\u9045\u3044\u300d\u306e\u89e3\u6d88\" width=\"1464\" height=\"382\"><figcaption class=\"wp-caption-text\">\u300c\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u304c\u9045\u3044\u300d\u306e\u89e3\u6d88<\/figcaption><\/figure>\n<p>TTFB\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u8981\u56e0\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u4e0b\u3052\u308b\u305f\u3081\u306e\u6226\u7565\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/pricing\/\">\u8cea\u306e\u9ad8\u3044Web\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc<\/a>\u3092\u9078\u3076<\/li>\n<li>\u8efd\u91cf\u306e\u30c6\u30fc\u30de\u3068\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<li>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u6570\u3092\u6e1b\u3089\u3059<\/li>\n<li>\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u306e\u5229\u7528<\/li>\n<li>\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b9f\u88c5<\/li>\n<li>\u4fe1\u983c\u3067\u304d\u308b\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3092\u9078\u629e\u3059\u308b<\/li>\n<\/ul>\n<p>\u3053\u306e\u5206\u91ce\u3067\u306e\u6700\u9069\u5316\u3092\u3082\u3063\u3068\u8a73\u3057\u304f\u7406\u89e3\u3057\u305f\u3044\u65b9\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/ttfb\/\">TTFB\u306b\u95a2\u3059\u308b\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>10. \u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u753b\u50cf<\/h3>\n<p>\u753b\u50cf\u306a\u3069\u306e\u30e1\u30c7\u30a3\u30a2\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306b\u3059\u308b\u3053\u3068\u3067\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1458px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/properly-size-images-1.png\" alt=\"\u300c\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u300d\" width=\"1458\" height=\"512\"><figcaption class=\"wp-caption-text\">\u300c\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u300d<\/figcaption><\/figure>\n<p>\u30da\u30fc\u30b8\u306b\u5fc5\u8981\u4ee5\u4e0a\u306b\u5927\u304d\u3044\u753b\u50cf\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001CSS\u3092\u4f7f\u7528\u3057\u3066\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306b\u5909\u66f4\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6700\u521d\u304b\u3089\u753b\u50cf\u3092\u9069\u5207\u306a\u30b5\u30a4\u30ba\u3067\u8aad\u307f\u8fbc\u3080\u3060\u3051\u306e\u5834\u5408\u3088\u308a\u3082\u6642\u9593\u304c\u304b\u304b\u308b\u305f\u3081\u3001\u30da\u30fc\u30b8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092\u4fee\u6b63\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u30b5\u30a4\u30ba\u3067\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u304b\u3001\u300c\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u753b\u50cf\u300d\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u3001\u3055\u307e\u3056\u307e\u306a\u30c7\u30d0\u30a4\u30b9\u6bce\u306b\u7570\u306a\u308b\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306e\u5b9f\u88c5\u306b\u306f\u3001<a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Learn\/HTML\/Multimedia_and_embedding\/Responsive_images\">srcset\u5c5e\u6027<\/a>\u304c\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3092<strong>&lt;img&gt;<\/strong>\u30bf\u30b0\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30b5\u30a4\u30ba\u306e\u4ee3\u66ff\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u304c\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u3053\u306e\u30ea\u30b9\u30c8\u3092\u8aad\u307f\u3001\u753b\u9762\u306b\u6700\u9069\u306a\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u5224\u65ad\u3057\u3001\u305d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u753b\u50cf\u3092\u914d\u4fe1\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u30d8\u30c3\u30c0\u30fc\u753b\u50cf\u304c\u3042\u308a\u3001\u305d\u308c\u3092\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u306b\u3057\u305f\u3044\u3068\u3057\u307e\u3059\u3002800\u3001480\u3001320\u30d4\u30af\u30bb\u30eb\u3068\u3044\u30463\u3064\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002\u6b21\u306b\u3001\u6b21\u306e\u3088\u3046\u306b<strong>srcset<\/strong>\u5c5e\u6027\u3092\u9069\u7528\u3057\u307e\u3059<\/p>\n<pre><code class=\"language-html\">&lt;img srcset=\"header-image-800w.jpg 880w,\n\t\tHeader-image-480w.jpg 480w,\n\t\tHeader-image-320w.jpg 320w\"\n\tsizes=\"(max-width: 320px) 280px,\n\t\t(max-width: 480px) 440px,\n\t\t800px\"\n\tsrc=\"header-image-800w.jpg\"&gt;<\/code><\/pre>\n<p><strong>srcset<\/strong>\u5c5e\u6027\u306f\u3001\u4f7f\u7528\u3067\u304d\u308b\u3055\u307e\u3056\u307e\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3057\u3001<strong>sizes<\/strong>\u5c5e\u6027\u306f\u3001\u753b\u9762\u30b5\u30a4\u30ba\u306b\u57fa\u3065\u3044\u3066\u4f7f\u7528\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u6307\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3>11. \u30aa\u30d5\u30b9\u30af\u30ea\u30fc\u30f3\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f<\/h3>\n<p>\u30aa\u30d5\u30b9\u30af\u30ea\u30fc\u30f3\u753b\u50cf\u3092\u9045\u5ef6\u3055\u305b\u308b\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u4e00\u822c\u7684\u306b\u300clazy loading \/ \u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u300d\u3068\u3057\u3066\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30da\u30fc\u30b8\u4e0a\u306e\u3059\u3079\u3066\u306e\u753b\u50cf\u3092\u307e\u3068\u3081\u3066\u30d6\u30e9\u30a6\u30b6\u306b\u8aad\u307f\u8fbc\u307e\u305b\u308b\u4ee3\u308f\u308a\u306b\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u898b\u3048\u308b\u753b\u9762\u306e\u753b\u50cf\u306e\u307f\u3092\u8aad\u307f\u8fbc\u3080\u3088\u3046\u306b\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u30da\u30fc\u30b8\u8868\u793a\u306e\u305f\u3081\u306e\u8aad\u307f\u8fbc\u307f\u304c\u5c11\u306a\u304f\u306a\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3059\u308b\u305f\u3081\u3001Google\u306f\u3053\u306e\u65b9\u6cd5\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65554\" aria-describedby=\"caption-attachment-65554\" style=\"width: 1452px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65554\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/defer-offscreen-images-1.png\" alt=\"\u300c\u30aa\u30d5\u30b9\u30af\u30ea\u30fc\u30f3\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u300d\" width=\"1452\" height=\"416\"><figcaption id=\"caption-attachment-65554\" class=\"wp-caption-text\">\u300c\u30aa\u30d5\u30b9\u30af\u30ea\u30fc\u30f3\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u300d<\/figcaption><\/figure>\n<p><a href=\"https:\/\/wordpress.org\/plugins\/a3-lazy-load\/\">a3 Lazy Load<\/a>\u3001<a href=\"https:\/\/wordpress.org\/plugins\/rocket-lazy-load\/\">Lazy Load by WP Rocket<\/a>\u306a\u3069\u3001\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u5c02\u7528\u306b\u958b\u767a\u3055\u308c\u305fWordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3044\u304f\u3064\u3082\u3042\u308a\u307e\u3059\u3002Autoptimize\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u753b\u50cf\u30fb\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3082\u3001\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-lazy-load\/\">WordPress\u3067\u306e\u753b\u50cf\u3068\u52d5\u753b\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306b\u95a2\u3059\u308b\u8a73\u7d30\u30ac\u30a4\u30c9<\/a>\u3082\u3042\u308f\u305b\u3066\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>12. \u52b9\u7387\u7684\u306a\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8<\/h3>\n<p>\u524d\u8ff0\u306e\u3088\u3046\u306b\u3001\u753b\u50cf\u306f\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u6700\u3082\u57fa\u672c\u7684\u306a\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e1\u3064\u306f\u3001<a href=\"https:\/\/kinsta.com\/blog\/lossy-compression\/\">\u5727\u7e2e<\/a>\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5c0f\u3055\u304f\u3057\u3066\u8aad\u307f\u8fbc\u307f\u306e\u9ad8\u901f\u5316\u3092\u52a9\u3051\u307e\u3059\u3002\u307e\u305f\u3001Google\u306e\u63a8\u5968\u4e8b\u9805\u300c\u52b9\u7387\u7684\u306a\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u300d\u306b\u5f93\u3046\u4e3b\u8981\u306a\u65b9\u6cd5\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65568\" aria-describedby=\"caption-attachment-65568\" style=\"width: 1454px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65568\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/efficiently-encode-images-1.png\" alt=\"\u300c\u52b9\u7387\u7684\u306a\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u300d\" width=\"1454\" height=\"336\"><figcaption id=\"caption-attachment-65568\" class=\"wp-caption-text\">\u300c\u52b9\u7387\u7684\u306a\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u300d<\/figcaption><\/figure>\n<p>\u91cd\u8981\u306a\u306e\u306f\u3001\u753b\u50cf\u81ea\u4f53\u306e\u8cea\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u53ef\u80fd\u306a\u9650\u308a\u5c0f\u3055\u3044\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u3002<a href=\"https:\/\/wordpress.org\/plugins\/imagify\/\">Imagify<\/a>\u3084<a href=\"https:\/\/wordpress.org\/plugins\/wp-smushit\/\">Smush<\/a>\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u4fbf\u5229\u3067\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001 <a href=\"https:\/\/kinsta.com\/jp\/blog\/optimize-images-for-web\/\">\u753b\u50cf\u6700\u9069\u5316\u30ac\u30a4\u30c9<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u300c\u52b9\u7387\u7684\u306a\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u300d\u306e\u300c\u5408\u683c\u300d\u307e\u305f\u306f\u300c\u4e0d\u5408\u683c\u300d\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305d\u306e\u4ed6\u306e\u63a8\u5968\u4e8b\u9805\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u9069\u5207\u306a\u30b5\u30a4\u30ba\u306e\u753b\u50cf<\/li>\n<li>\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\uff08\u30aa\u30d5\u30b9\u30af\u30ea\u30fc\u30f3\u753b\u50cf\u306e\u9045\u5ef6\uff09<\/li>\n<li>WebP\u306a\u3069\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306e\u753b\u50cf\u306e\u914d\u4fe1<\/li>\n<li>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u30d3\u30c7\u30aa\u3092\u4f7f\u7528\uff08GIF\u306a\u3069\uff09<\/li>\n<\/ul>\n<p>\u753b\u50cf\u306e\u5727\u7e2e\u306b\u52a0\u3048\u3066\u3001\u5f53\u8a18\u4e8b\u306e\u968f\u6240\u306b\u3042\u308b\u624b\u9806\u306b\u5f93\u3046\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u63a8\u5968\u4e8b\u9805\u3092\u30af\u30ea\u30a2\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>13. \u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306e\u753b\u50cf\u306e\u914d\u4fe1<\/h3>\n<p>\u9ad8\u901f\u306b\u8aad\u307f\u8fbc\u3080\u3053\u3068\u306e\u3067\u304d\u308b\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u306f\u3001\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u4e00\u822c\u7684\u306aPNG\u3084<a href=\"https:\/\/kinsta.com\/jp\/blog\/jpg-vs-jpeg\/\">JPEG<\/a>\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<a href=\"https:\/\/developers.google.com\/speed\/webp\">WebP\u5f62\u5f0f\u306e\u753b\u50cf<\/a>\u306f\u65b0\u3057\u3044\u6a19\u6e96\u306b\u306a\u308a\u3064\u3064\u3042\u308a\u3001\u753b\u50cf\u304c\u305d\u308c\u306b\u6e96\u62e0\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u306f\u3001Google PageSpeed\u304c\u6559\u3048\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65562\" aria-describedby=\"caption-attachment-65562\" style=\"width: 1452px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65562\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/images-nextgen-formats-1.png\" alt=\"\u300c\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306e\u753b\u50cf\u306e\u914d\u4fe1\u300d\" width=\"1452\" height=\"368\"><figcaption id=\"caption-attachment-65562\" class=\"wp-caption-text\">\u300c\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306e\u753b\u50cf\u306e\u914d\u4fe1\u300d<\/figcaption><\/figure>\n<p>WordPress\u30b5\u30a4\u30c8\u306b\u65e2\u306b\u5341\u5206\u306a\u753b\u50cf\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001\u3053\u308c\u3092\u6e80\u305f\u3059\u306e\u306f\u7c21\u5358\u3067\u306f\u306a\u3044\u3088\u3046\u306b\u601d\u3048\u308b\u3067\u3057\u3087\u3046\u3002\u3057\u304b\u3057\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3048\u3070\u3001\u7c21\u5358\u306b\u3053\u308c\u3092\u30af\u30ea\u30a2\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001Imagify\u3068Smush\u306e\u3069\u3061\u3089\u306b\u3082WebP\u5909\u63db\u6a5f\u80fd\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>14. \u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3 \u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u306e\u52d5\u753b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u4f7f\u7528<\/h3>\n<p>GIF\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u72b6\u6cc1\u3067\u4f7f\u3048\u308b\u3001<a href=\"https:\/\/kinsta.com\/blog\/wordpress-gifs\/\">\u8996\u899a\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u52b9\u679c\u7684\u306b\u5c4a\u3051\u308b\u5f62\u5f0f<\/a>\u3067\u3059\u3002\u4f7f\u7528\u65b9\u6cd5\u306e\u8aac\u660e\u3001\u6a5f\u80fd\u306e\u30ec\u30d3\u30e5\u30fc\u3001\u3055\u3089\u306b\u306f\u30e6\u30fc\u30e2\u30e9\u30b9\u306a\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u306a\u3069\u2026\u8a18\u4e8b\u306b\u30a2\u30af\u30bb\u30f3\u30c8\u3092\u52a0\u3048\u3001\u697d\u3057\u304f\u4fa1\u5024\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u4f5c\u6210\u306b\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6b8b\u5ff5\u306a\u304c\u3089\u3001\u305d\u3093\u306a\u30e1\u30ea\u30c3\u30c8\u306f\u72a0\u7272\u3092\u4f34\u3044\u307e\u3059\u3002GIF\u306e\u8aad\u307f\u8fbc\u307f\u306b\u306f\u300c\u624b\u304c\u304b\u304b\u308b\u300d\u305f\u3081\u3001PageSpeed Insights\u306f\u4ee3\u308f\u308a\u306b\u52d5\u753b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u914d\u4fe1\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65575\" aria-describedby=\"caption-attachment-65575\" style=\"width: 1452px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65575\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/video-animated-content-1.png\" alt=\"\u300c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3 \u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u306e\u52d5\u753b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u4f7f\u7528\u300d\" width=\"1452\" height=\"434\"><figcaption id=\"caption-attachment-65575\" class=\"wp-caption-text\">\u300c\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3 \u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u306e\u52d5\u753b\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u4f7f\u7528\u300d<\/figcaption><\/figure>\n<p>\u6b8b\u5ff5\u306a\u304c\u3089\u3001GIF\u3092\u30d3\u30c7\u30aa\u5f62\u5f0f\u306b\u5909\u63db\u3059\u308b\u306e\u306f\u7c21\u5358\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305a\u3001\u4f7f\u7528\u3059\u308b\u30d3\u30c7\u30aa\u306e\u30bf\u30a4\u30d7\u3092\u6c7a\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong> MP4<\/strong>\uff1a\u751f\u6210\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u306f\u308f\u305a\u304b\u306b\u5927\u304d\u3081\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u307b\u3068\u3093\u3069\u306e\u4e3b\u8981\u306a\u30d6\u30e9\u30a6\u30b6\u3068\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong> WebM<\/strong>\uff1a\u6700\u3082\u9ad8\u5ea6\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u30d3\u30c7\u30aa\u5f62\u5f0f\u3067\u3059\u304c\u3001\u30d6\u30e9\u30a6\u30b6\u3068\u306e\u4e92\u63db\u6027\u306f\u9650\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u30b5\u30a4\u30c8\u306b\u3068\u3063\u3066\u6700\u9069\u306a\u9078\u629e\u3092\u884c\u3063\u305f\u3089\u3001\u6b21\u306f\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u306e\u5909\u63db\u3067\u3059\u3002\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u306e\u304c\u4e00\u756a\u3067\u3057\u3087\u3046\u3002\u307e\u305a\u306f\u3001<a href=\"https:\/\/www.ffmpeg.org\/\">FFmpeg<\/a>\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u3092\u5909\u63db\u3059\u308b\u305f\u3081\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_65578\" aria-describedby=\"caption-attachment-65578\" style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65578\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/ffmpeg-1.png\" alt=\"\u30d3\u30c7\u30aa\u30fb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d5\u30a1\u30a4\u30eb\u7528\u5f62\u5f0f\u5909\u63db\u30c4\u30fc\u30eb\u300cFFmpeg\u300d\" width=\"1500\" height=\"897\"><figcaption id=\"caption-attachment-65578\" class=\"wp-caption-text\">\u30d3\u30c7\u30aa\u30fb\u30aa\u30fc\u30c7\u30a3\u30aa\u30d5\u30a1\u30a4\u30eb\u7528\u5f62\u5f0f\u5909\u63db\u30c4\u30fc\u30eb\u300cFFmpeg\u300d<\/figcaption><\/figure>\n<p>\u6b21\u306b\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u958b\u304d\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre><code>ffmpeg -i input.gif output.mp4<\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u300c<strong>input.gif<\/strong>\u300d\u306eGIF\u304c\u30d5\u30a1\u30a4\u30eb\u540d\u300c<strong>output.mp4<\/strong>\u300d\u306eMP4\u30d3\u30c7\u30aa\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5f62\u5f0f\u306e\u5909\u66f4\u306f\u3001\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u306e\u307b\u3093\u306e\u5e8f\u7ae0\u306b\u904e\u304e\u307e\u305b\u3093\u3002\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3GIF\u306e\u3088\u3046\u306b\u898b\u3048\u308b\u3088\u3046\u306b\u3001\u51fa\u6765\u4e0a\u304c\u3063\u305f\u52d5\u753b\u3092WordPress\u30b5\u30a4\u30c8\u306b\u57cb\u3081\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4>\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u7528\u30d3\u30c7\u30aa\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u57cb\u3081\u8fbc\u3080<\/h4>\n<p>\u3053\u308c\u307e\u3067\u306bGIF\u3092\u898b\u305f\u3053\u3068\u304c\u3042\u308b\u65b9\u306f\u3053\u308c\u304c\u901a\u5e38\u306e\u52d5\u753b\u3068\u306f\u5c11\u3057\u7570\u306a\u308b\u3053\u3068\u3092\u3054\u5b58\u77e5\u3067\u3057\u3087\u3046\u3002\u901a\u5e38\u3001\u81ea\u52d5\u518d\u751f\u3055\u308c\u3001\u30eb\u30fc\u30d7\u3067\u5b9f\u884c\u3055\u308c\u3001\u97f3\u306f\u9cf4\u308a\u307e\u305b\u3093\u3002\u65b0\u3057\u3044MP4\u307e\u305f\u306fWebM\u30d5\u30a1\u30a4\u30eb\u3092WordPress\u30b5\u30a4\u30c8\u306b\u57cb\u3081\u8fbc\u3093\u3067\u3082\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306f\u81ea\u52d5\u3067\u5b9f\u88c5\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u96e3\u3057\u3044\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7c21\u5358\u306a\u30b3\u30fc\u30c9\u3092\u52a0\u3048\u308b\u3060\u3051\u3067\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6d88\u3067\u304d\u307e\u3059\u3002\u30d3\u30c7\u30aa\u3092\u30e1\u30c7\u30a3\u30a2\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u304b\u3089\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092GIF\u3092\u8868\u793a\u3057\u305f\u3044\u56fa\u5b9a\u30da\u30fc\u30b8\u3084\u6295\u7a3f\u306b\u8cbc\u308a\u4ed8\u3051\u307e\u3059\u3002<\/p>\n<pre><code>&lt;video autoplay loop muted playsinline&gt;\n&lt;source src=\"output.mp4\" type=\"video\/mp4\"&gt;\n&lt;\/video&gt;<\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u6307\u5b9a\u3057\u305f\u5c5e\u6027\u304c\u52d5\u753b\u306b\u9069\u7528\u3055\u308c\u3001\u3088\u308a\u300cGIF\u306b\u4f3c\u305f\u300d\u5916\u89b3\u306b\u306a\u308a\u307e\u3059\u3002\u5b9f\u969b\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u5408\u308f\u305b\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u3068\u30bf\u30a4\u30d7\u3092\u8abf\u6574\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001Google\u306b\u3088\u308b<a href=\"https:\/\/developers.google.com\/web\/fundamentals\/performance\/optimizing-content-efficiency\/replace-animated-gifs-with-video\">GIF\u3092\u52d5\u753b\u306b\u5909\u63db\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306e\u30ac\u30a4\u30c9<\/a>\u306b\u76ee\u3092\u901a\u3059\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<h3>15. \u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u4e2d\u306e\u30c6\u30ad\u30b9\u30c8\u306e\u8868\u793a<\/h3>\n<p>\u753b\u50cf\u3068\u540c\u69d8\u306b\u3001\u30d5\u30a9\u30f3\u30c8\u306f\u8aad\u307f\u8fbc\u307f\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5927\u304d\u306a\u30d5\u30a1\u30a4\u30eb\u3068\u306a\u308b\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u4f7f\u7528\u3057\u3066\u3044\u308b\u30d5\u30a9\u30f3\u30c8\u304c\u5b8c\u5168\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u307e\u3067\u30d6\u30e9\u30a6\u30b6\u304c\u30c6\u30ad\u30b9\u30c8\u3092\u975e\u8868\u793a\u306b\u3059\u308b\u3053\u3068\u3082\u3002\u3053\u306e\u3088\u3046\u306a\u7406\u7531\u304b\u3089\u3001Google PageSpeed Insights\u304b\u3089\u306e\u63a8\u5968\u4e8b\u9805\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65565\" aria-describedby=\"caption-attachment-65565\" style=\"width: 1458px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65565\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/text-visible-webfont-load-1.png\" alt=\"\u300c\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u4e2d\u306e\u30c6\u30ad\u30b9\u30c8\u306e\u8868\u793a\u300d\" width=\"1458\" height=\"244\"><figcaption id=\"caption-attachment-65565\" class=\"wp-caption-text\">\u300c\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u4e2d\u306e\u30c6\u30ad\u30b9\u30c8\u306e\u8868\u793a\u300d<\/figcaption><\/figure>\n<p>Google\u306f\u3001<strong>@font-face<\/strong>\u3067\u30d5\u30a9\u30f3\u30c8\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4API\u300c<strong>swap<\/strong>\u300d\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3053\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u3053\u3068\u3092<a href=\"https:\/\/web.dev\/font-display\/\">\u63a8\u5968\u3057\u3066\u3044\u307e\u3059<\/a>\u3002\u3053\u308c\u3092\u884c\u3046\u306b\u306f\u3001\u30b9\u30bf\u30a4\u30eb\u30b7\u30fc\u30c8\uff08<strong>style.css<\/strong>\uff09\u3092\u958b\u304d\u3001<strong>@font-face<\/strong>\u5185\u3001<strong>src<\/strong>\u5c5e\u6027\u306e\u5f8c\u306b\u4ee5\u4e0b\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<p>font-display: swap<\/p>\n<p>\u30a6\u30a7\u30d6\u30d5\u30a9\u30f3\u30c8\u6700\u9069\u5316\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001 <a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-change-font-in-wordpress\/#optimizing-fonts-for-performance\">WordPress\u3067\u30d5\u30a9\u30f3\u30c8\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5<\/a>\u3068<a href=\"https:\/\/kinsta.com\/jp\/blog\/local-fonts\/\">\u30ed\u30fc\u30ab\u30eb\u30d5\u30a9\u30f3\u30c8\u3092\u30db\u30b9\u30c8\u3059\u308b\u305f\u3081\u306e\u8a73\u7d30\u30ac\u30a4\u30c9<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>16. \u30c6\u30ad\u30b9\u30c8\u5727\u7e2e\u306e\u6709\u52b9\u5316<\/h3>\n<p>Google PageSpeed Insights\u306e\u300c\u30c6\u30ad\u30b9\u30c8\u5727\u7e2e\u306e\u6709\u52b9\u5316\u300d\u306f\u3001GZIP\u5727\u7e2e\u306e\u4f7f\u7528\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65584\" aria-describedby=\"caption-attachment-65584\" style=\"width: 1456px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65584\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/enable-text-compression-1.png\" alt=\"\u300c\u30c6\u30ad\u30b9\u30c8\u5727\u7e2e\u306e\u6709\u52b9\u5316\u300d\" width=\"1456\" height=\"376\"><figcaption id=\"caption-attachment-65584\" class=\"wp-caption-text\">\u300c\u30c6\u30ad\u30b9\u30c8\u5727\u7e2e\u306e\u6709\u52b9\u5316\u300d<\/figcaption><\/figure>\n<p>\u5834\u5408\u306b\u3088\u3063\u3066\u306f\uff08\u4e0a\u306e\u753b\u50cf\u3067\u308f\u304b\u308b\u3088\u3046\u306b\uff09\u3001\u30b5\u30fc\u30d0\u30fc\u3067\u30c6\u30ad\u30b9\u30c8\u5727\u7e2e\u304c\u81ea\u52d5\u7684\u306b\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u3042\u306a\u305f\u306e\u30b5\u30a4\u30c8\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3044\u5834\u5408\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u624b\u6bb5\u3092\u7528\u3044\u3066\u63a8\u5968\u306b\u5f93\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>1\u3064\u76ee\u306f\u3001GZIP\u5727\u7e2e\u6a5f\u80fd\u3092\u5099\u3048\u305f\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u3002WP Rocket\u306f\u3001\u652f\u6255\u3044\u3092\u53ad\u308f\u306a\u3044\u5834\u5408\u306b\u306f\u3001\u4fbf\u5229\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002<\/p>\n<p>\u30c6\u30ad\u30b9\u30c8\u3092\u624b\u52d5\u3067\u5727\u7e2e\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u969b\u306b\u306f<strong>.htaccess<\/strong>\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002\u30ea\u30b9\u30af\u304c\u4ecb\u5728\u3059\u308b\u305f\u3081\u3001\u6700\u65b0\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u624b\u5143\u306b\u7528\u610f\u3057\u3066\u304b\u3089\u7740\u624b\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u307b\u3068\u3093\u3069\u306eWordPress\u30b5\u30a4\u30c8\u306fApache\u30b5\u30fc\u30d0\u30fc\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/enable-gzip-compression\/\">GZIP\u5727\u7e2e\u3092\u6709\u52b9\u306b\u3059\u308b<\/a>\u305f\u3081\u306e\u30b3\u30fc\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"apacheconf\">&lt;IfModule mod_deflate.c&gt;\n  # Compress HTML, CSS, JavaScript, Text, XML and fonts\n  AddOutputFilterByType DEFLATE application\/javascript\n  AddOutputFilterByType DEFLATE application\/rss+xml\n  AddOutputFilterByType DEFLATE application\/vnd.ms-fontobject\n  AddOutputFilterByType DEFLATE application\/x-font\n  AddOutputFilterByType DEFLATE application\/x-font-opentype\n  AddOutputFilterByType DEFLATE application\/x-font-otf\n  AddOutputFilterByType DEFLATE application\/x-font-truetype\n  AddOutputFilterByType DEFLATE application\/x-font-ttf\n  AddOutputFilterByType DEFLATE application\/x-javascript\n  AddOutputFilterByType DEFLATE application\/xhtml+xml\n  AddOutputFilterByType DEFLATE application\/xml\n  AddOutputFilterByType DEFLATE font\/opentype\n  AddOutputFilterByType DEFLATE font\/otf\n  AddOutputFilterByType DEFLATE font\/ttf\n  AddOutputFilterByType DEFLATE image\/svg+xml\n  AddOutputFilterByType DEFLATE image\/x-icon\n  AddOutputFilterByType DEFLATE text\/css\n  AddOutputFilterByType DEFLATE text\/html\n  AddOutputFilterByType DEFLATE text\/javascript\n  AddOutputFilterByType DEFLATE text\/plain\n  AddOutputFilterByType DEFLATE text\/xml\n\n  # Remove browser bugs (only needed for really old browsers)\n  BrowserMatch ^Mozilla\/4 gzip-only-text\/html\n  BrowserMatch ^Mozilla\/4\\.0[678] no-gzip\n  BrowserMatch \\bMSIE !no-gzip !gzip-only-text\/html\n  Header append Vary User-Agent\n&lt;\/IfModule&gt;<\/code><\/pre>\n<p>\u3053\u308c\u3092<strong>.htaccess<\/strong>\u30d5\u30a1\u30a4\u30eb\u306e<strong>#END<\/strong>\u306e\u5f8c\u306b\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002Nginx\u30b5\u30fc\u30d0\u30fc\u306bWordPress\u30b5\u30a4\u30c8\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u3001\u4ee3\u308f\u308a\u306b\u6b21\u306e\u30b3\u30fc\u30c9\u3092<strong>nginx.conf<\/strong>\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"nginx\">36 gzip on;\n37 gzip_disable \"MSIE [1-6]\\.(?!.*SV1)\";\n38 gzip_vary on;\n39 gzip_types text\/plain text\/css text\/javascript application\/javascript application\/x-javascript;<\/code><\/pre>\n<p>\u30b5\u30a4\u30c8\u306e\u30c6\u30ad\u30b9\u30c8\u5727\u7e2e\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/www.giftofspeed.com\/gzip-test\/\">GiftOfSpeed<\/a>\u306a\u3069\u306e\u30c4\u30fc\u30eb\u304c\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65583\" aria-describedby=\"caption-attachment-65583\" style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65583\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/giftofspeed-check-1.png\" alt=\"GiftOfSpeed\u3092\u7528\u3044\u305fGZIP\u5727\u7e2e\u306e\u30c1\u30a7\u30c3\u30af\" width=\"1500\" height=\"884\"><figcaption id=\"caption-attachment-65583\" class=\"wp-caption-text\">GiftOfSpeed\u3092\u7528\u3044\u305fGZIP\u5727\u7e2e\u306e\u30c1\u30a7\u30c3\u30af<\/figcaption><\/figure>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001GZIP\u5727\u7e2e\u304c\u6b63\u5e38\u306b\u5b9f\u88c5\u3055\u308c\u305f\u304b\u3069\u3046\u304b\u3001\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d0\u30fc\u306e\u7a2e\u985e\u3001\u305d\u3057\u3066\u3001\u305d\u306e\u4ed6\u306e\u91cd\u8981\u306a\u8a73\u7d30\u60c5\u5831\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h3>17. \u5fc5\u9808\u306e\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u4e8b\u524d\u63a5\u7d9a<\/h3>\n<p>\u304a\u305d\u3089\u304f\u3001\u3042\u306a\u305f\u306e\u30b5\u30a4\u30c8\u306b\u3082\u5c11\u306a\u304f\u3068\u30821\u3064\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30ea\u30bd\u30fc\u30b9\u304c\u3042\u308b\u306f\u305a\u3002\u4ee3\u8868\u7684\u306a\u3082\u306e\u304cGoogle\u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9\u3067\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u304c\u3053\u306e\u3088\u3046\u306a\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u63a5\u7d9a\u3092\u78ba\u7acb\u3059\u308b\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u3001\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/p>\n<p><strong>preconnect<\/strong>\u5c5e\u6027\u306f\u3001\u30da\u30fc\u30b8\u306b\u8aad\u307f\u8fbc\u3080\u5fc5\u8981\u306e\u3042\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u3042\u308b\u3053\u3068\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u3059\u3050\u306b\u4f1d\u3048\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u305d\u308c\u3092\u8981\u6c42\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u958b\u59cb\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3042\u306a\u305f\u306e\u30da\u30fc\u30b8\u304c\u3053\u306e\u624b\u6cd5\u3092\u7528\u3044\u3066\u6539\u5584\u3067\u304d\u308b\u3068Google\u304c\u5224\u65ad\u3057\u305f\u5834\u5408\u3001\u300c\u5fc5\u9808\u306e\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u4e8b\u524d\u63a5\u7d9a\u300d\u306e\u63d0\u6848\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65560\" aria-describedby=\"caption-attachment-65560\" style=\"width: 1454px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65560\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/preconnect-required-origins-1.png\" alt=\"\u300c\u5fc5\u9808\u306e\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u4e8b\u524d\u63a5\u7d9a\u300d\" width=\"1454\" height=\"254\"><figcaption id=\"caption-attachment-65560\" class=\"wp-caption-text\">\u300c\u5fc5\u9808\u306e\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u4e8b\u524d\u63a5\u7d9a\u300d<\/figcaption><\/figure>\n<p>\u3053\u306e\u6700\u9069\u5316\u3092\u5b9f\u88c5\u3059\u308b\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002WordPress\u30c6\u30fc\u30de\u30d5\u30a1\u30a4\u30eb\u306e\u7de8\u96c6\u306b\u6163\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001<strong>header.php<\/strong>\u30d5\u30a1\u30a4\u30eb\u306b\u30ea\u30f3\u30af\u30bf\u30b0\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;link rel=\u201cpreconnect\u201d href=\u201cexample.com\u201d&gt;<\/code><\/pre>\n<p>\u3053\u3053\u3067\u306f\u3001\u30bf\u30b0\u306f\u30d6\u30e9\u30a6\u30b6\u306b\u5bfe\u3057\u3066\u300c<strong>example.com<\/strong>\u300d\u3078\u306e\u63a5\u7d9a\u3092\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u78ba\u7acb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3053\u3068\u3092\u4f1d\u3048\u3066\u3044\u307e\u3059\u3002Google PageSpeed Insights\u306b\u306f\u3001 preconnect\u5c5e\u6027\u3092\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30ea\u30bd\u30fc\u30b9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3082\u3046\u4e00\u3064\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/perfmatters.io\/\">Perfmatters<\/a>\u306b\u306f\u4e8b\u524d\u63a5\u7d9a\u6a5f\u80fd\u304c\u642d\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\uff08\u3061\u306a\u307f\u306b\u2026\u544a\u767d\u3057\u307e\u3059\u3068\u3001\u79c1\u306fPerfmatters\u5275\u8a2d\u306b\u95a2\u308f\u3063\u305f1\u4eba\u3067\u3059\uff09\u3002WP Rocket\u3068<a href=\"https:\/\/wordpress.org\/plugins\/pre-party-browser-hints\/\">Pre* Party Resource Hints<\/a>\u306b\u3082\u3001\u540c\u69d8\u306e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>18. \u30ad\u30fc \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d7\u30ea\u30ed\u30fc\u30c9<\/h3>\n<p>\u300c\u5fc5\u9808\u306e\u30c9\u30e1\u30a4\u30f3\u3078\u306e\u4e8b\u524d\u63a5\u7d9a\u300d\u3068\u540c\u69d8\u306b\u3001\u3053\u306e\u63d0\u6848\u306b\u5f93\u3046\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u5bfe\u3057\u3066\u884c\u3046\u5fc5\u8981\u306e\u3042\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30ea\u30bd\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u8a33\u3067\u306f\u306a\u304f\u3001\u300c\u30ad\u30fc \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u300d\u3068\u306f\u3001\u91cd\u8981\u306a\u30a2\u30bb\u30c3\u30c8\u3092\u81ea\u5206\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u8aad\u307f\u8fbc\u3080\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65557\" aria-describedby=\"caption-attachment-65557\" style=\"width: 1446px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65557\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/preload-key-requests-1.png\" alt=\"\u300c\u30ad\u30fc \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u300d\" width=\"1446\" height=\"250\"><figcaption id=\"caption-attachment-65557\" class=\"wp-caption-text\">\u300c\u30ad\u30fc \u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30d7\u30ea\u30ed\u30fc\u30c9\u300d<\/figcaption><\/figure>\n<p>\u3053\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f\u3001\u4e00\u3064\u524d\u306e\u63a8\u5968\u4e8b\u9805\u306e\u3082\u306e\u3068\u975e\u5e38\u306b\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u3002\u30ea\u30bd\u30fc\u30b9\uff08PageSpeed Insights\u306b\u63b2\u8f09\u3055\u308c\u308b\uff09\u3092\u6307\u5b9a\u3057\u305f\u30ea\u30f3\u30af\u30bf\u30b0\u3092<strong>header.php<\/strong>\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-html\">&lt;link rel=\u201cpreload\u201d href=\u201cexample.com\u201d&gt;<\/code><\/pre>\n<p>\u3053\u308c\u306b\u3064\u3044\u3066\u3082\u3001Perfmatters\u3001WP Rocket\u3001\u307e\u305f\u306fPre* Party Resource Hints\u3092\u4f7f\u7528\u3057\u3066\u3001\u3053\u306e\u30bf\u30b0\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>19. \u8907\u6570\u306e\u30da\u30fc\u30b8 \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u56de\u907f<\/h3>\n<p>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u3001\u3042\u308bURL\u304c\u5225\u306eURL\u3092\u6307\u3059\u3088\u3046\u306b\u6307\u5b9a\u3057\u305f\u3044\u3068\u304d\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u3092\u79fb\u52d5\u307e\u305f\u306f\u524a\u9664\u3059\u308b\u3068\u304d\u306b\u304a\u99b4\u67d3\u307f\u3067\u3059\u3002\u4e00\u822c\u7684\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u81ea\u4f53\u3001\u4f55\u3082\u554f\u984c\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u3053\u308c\u306f\u8aad\u307f\u8fbc\u307f\u6642\u306b\u9045\u5ef6\u3092\u5f15\u304d\u8d77\u3053\u3059\u8981\u56e0\u3068\u306a\u308a\u5f97\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30a4\u30c8\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u304c\u591a\u3059\u304e\u308b\u3068\u3001Google PageSpeed Insights\u306b\u6b21\u306e\u63a8\u5968\u4e8b\u9805\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65559\" aria-describedby=\"caption-attachment-65559\" style=\"width: 1460px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65559\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/multiple-redirects-1.png\" alt=\"\u300c\u8907\u6570\u306e\u30da\u30fc\u30b8 \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u56de\u907f\u300d\" width=\"1460\" height=\"204\"><figcaption id=\"caption-attachment-65559\" class=\"wp-caption-text\">\u300c\u8907\u6570\u306e\u30da\u30fc\u30b8 \u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306e\u56de\u907f\u300d<\/figcaption><\/figure>\n<p>\u89e3\u6c7a\u7b56\u306f\u3053\u3061\u3089\u3002\u3069\u3046\u3057\u3066\u3082\u5fc5\u8981\u306a\u5834\u5408\u306b\u306e\u307f\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3002\u5177\u4f53\u7684\u306a\u30d7\u30ed\u30bb\u30b9\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-redirect\/\">WordPress\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u2014\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5411\u4e0a\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>20. \u9759\u7684\u306a\u30a2\u30bb\u30c3\u30c8\u3068\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30ea\u30b7\u30fc\u306e\u914d\u4fe1<\/h3>\n<p>Google PageSpeed Insights\u3092\u4ee5\u524d\u304b\u3089\u4f7f\u7528\u3057\u3066\u3044\u308b\u65b9\u306f\u3001\u300c\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6d3b\u7528\u3059\u308b\u300d\u3068\u3057\u3066\u3001\u3053\u306e\u63a8\u5968\u4e8b\u9805\u306b\u99b4\u67d3\u307f\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30d0\u30fc\u30b8\u30e7\u30f35\u3067\u306f\u3001\u300c\u9759\u7684\u306a\u30a2\u30bb\u30c3\u30c8\u3068\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30ea\u30b7\u30fc\u306e\u914d\u4fe1\u300d\u3068\u3044\u3046\u540d\u524d\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65553\" aria-describedby=\"caption-attachment-65553\" style=\"width: 1452px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65553\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/efficient-cache-policies-1.png\" alt=\"\u300c\u9759\u7684\u306a\u30a2\u30bb\u30c3\u30c8\u3068\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30ea\u30b7\u30fc\u306e\u914d\u4fe1\u300d\" width=\"1452\" height=\"338\"><figcaption id=\"caption-attachment-65553\" class=\"wp-caption-text\">\u300c\u9759\u7684\u306a\u30a2\u30bb\u30c3\u30c8\u3068\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30ea\u30b7\u30fc\u306e\u914d\u4fe1\u300d<\/figcaption><\/figure>\n<p>\u3053\u306e\u63d0\u6848\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u30ec\u30a4\u30e4\u30fc\u304c\u3042\u308a\u307e\u3059\u30021\u3064\u76ee\u306f\u3001\u300c\u30ad\u30e3\u30c3\u30b7\u30e5\u300d\u3067\u3059\u3002\u3053\u308c\u306f\u30d6\u30e9\u30a6\u30b6\u304c\u30da\u30fc\u30b8\u306e\u30b3\u30d4\u30fc\u3092\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3001\u5c06\u6765\u7684\u306a\u30a2\u30af\u30bb\u30b9\u306e\u969b\u306b\u306f\u3088\u308a\u901f\u304f\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>WordPress\u30b5\u30a4\u30c8\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5b9f\u88c5\u3059\u308b\u306e\u306b\u6700\u3082\u4e00\u822c\u7684\u306a\u306e\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-caching-plugins\/\">\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u65b9\u6cd5<\/a>\u3067\u3059\u3002WP Rocket\u3084W3 Total Cache\u3068\u3044\u3063\u305f\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u4eba\u6c17\u3067\u3059\u3002\u305f\u3060\u3057\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cache\/\">Kinsta\u306e\u3088\u3046\u306a\u4e00\u90e8\u306e\u30b5\u30fc\u30d0\u30fc<\/a>\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u30ec\u30d9\u30eb\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305fKinsta\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/edge-caching\/\">\u30a8\u30c3\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\u3092\u8ffd\u52a0\u6599\u91d1\u306a\u3057\u3067\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u306bHTML\u30da\u30fc\u30b8\u3092\u914d\u4fe1\u3059\u308b\u6642\u9593\u3092\u5e73\u574750%\u4ee5\u4e0a\u77ed\u7e2e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u524d\u306b\u3001\u3054\u5229\u7528\u306e\u30b5\u30fc\u30d0\u30fc\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30b5\u30a4\u30c8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6709\u52b9\u306b\u3057\u305f\u3089\u3001\u3053\u306e\u63a8\u5968\u4e8b\u9805\u306e2\u756a\u76ee\u306e\u90e8\u5206\u3001\u3064\u307e\u308a\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc\u306e\u300c\u52b9\u7387\u300d\u306b\u3064\u3044\u3066\u691c\u8a0e\u3057\u307e\u3057\u3087\u3046\u3002\u30d6\u30e9\u30a6\u30b6\u306f\u5b9a\u671f\u7684\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3057\u3066\u3001\u305d\u306e\u60c5\u5831\u3092\u6700\u65b0\u306e\u3082\u306e\u3078\u3068\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n<p>\u7406\u60f3\u7684\u306b\u306f\u3001\u3053\u306e\u671f\u9593\u3092\u9577\u304f\u3057\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002\u6570\u6642\u9593\u3054\u3068\u306b\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u304b\u3089\u30b5\u30a4\u30c8\u3092\u30af\u30ea\u30a2\u3059\u308b\u3068\u3001\u305d\u3082\u305d\u3082\u3053\u306e\u624b\u6cd5\u3092\u4f7f\u7528\u3059\u308b\u76ee\u7684\u306b\u53cd\u3057\u307e\u3059\u3002\u300c<strong>Cache-Control<\/strong>\u300d\u3068\u300c<strong>Expires<\/strong>\u300d\u30d8\u30c3\u30c0\u30fc\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6709\u52b9\u671f\u9650\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4>Cache-Control\u30d8\u30c3\u30c0\u30fc\u306e\u8ffd\u52a0<\/h4>\n<p>\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001Nginx\u306bCache-Control\u30d8\u30c3\u30c0\u30fc\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"nginx\">location ~* \\.(js|css|png|jpg|jpeg|gif|svg|ico)$ {\n expires 30d;\n add_header Cache-Control \"public, no-transform\";\n}<\/code><\/pre>\n<p>\u3053\u308c\u3092\u30b5\u30fc\u30d0\u30fc\u306e\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u6307\u5b9a\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u306f30\u65e5\u5f8c\u306b\u671f\u9650\u5207\u308c\u306b\u306a\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-apache\/\">Apache\u30b5\u30fc\u30d0\u30fc<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u4ee3\u308f\u308a\u306b<strong>.htaccess<\/strong>\u30d5\u30a1\u30a4\u30eb\u3067\u3053\u306e\u30b9\u30cb\u30da\u30c3\u30c8\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code class=\"apacheconf\">&lt;filesMatch \".(ico|pdf|flv|jpg|jpeg|png|gif|svg|js|css|swf)$\"&gt;\nHeader set Cache-Control \"max-age=84600, public\"\n&lt;\/filesMatch&gt;<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u3092\u3001\uff03<strong>BEGIN WordPress<\/strong>\u306e\u524d\u3001\u307e\u305f\u306f\u3001<strong>#END WordPress<\/strong>\u306e\u5f8c\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u306e\u4f8b\u3067\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6709\u52b9\u671f\u9650\u306f84,600\u79d2\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>Expires\u30d8\u30c3\u30c0\u30fc\u306e\u8ffd\u52a0<\/h4>\n<p>\u73fe\u5728\u3001<strong>Cache-Control<\/strong>\u30d8\u30c3\u30c0\u30fc\u306e\u65b9\u304c\u696d\u754c\u6a19\u6e96\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3068\u306f\u8a00\u3048\u3001<strong>Expires<\/strong>\u30d8\u30c3\u30c0\u30fc\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u30c4\u30fc\u30eb\uff08GTMetrix\u306a\u3069\uff09\u3082\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u3092Nginx\u30b5\u30fc\u30d0\u30fc\u306b\u8ffd\u52a0\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u3092\u30b5\u30fc\u30d0\u30fc\u30d6\u30ed\u30c3\u30af\u306b\u7d44\u307f\u8fbc\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<pre><code class=\"nginx\">location ~*  \\.(jpg|jpeg|gif|png|svg)$ {\n        expires 365d;\n    }\n\n    location ~*  \\.(pdf|css|html|js|swf)$ {\n        expires 2d;\n    }<\/code><\/pre>\n<p>\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u306b\u57fa\u3065\u3044\u3066\u7570\u306a\u308b\u6709\u52b9\u671f\u9650\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30b3\u30fc\u30c9\u3092<strong>.htaccess<\/strong>\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u3068\u3001Apache\u30b5\u30fc\u30d0\u30fc\u3067\u540c\u3058\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<pre><code class=\"apacheconf\">## EXPIRES HEADER CACHING ##\n&lt;IfModule mod_expires.c&gt;\nExpiresActive On\nExpiresByType image\/jpg \"access 1 year\"\nExpiresByType image\/jpeg \"access 1 year\"\nExpiresByType image\/gif \"access 1 year\"\nExpiresByType image\/png \"access 1 year\"\nExpiresByType image\/svg \"access 1 year\"\nExpiresByType text\/css \"access 1 month\"\nExpiresByType application\/pdf \"access 1 month\"\nExpiresByType application\/javascript \"access 1 month\"\nExpiresByType application\/x-javascript \"access 1 month\"\nExpiresByType application\/x-shockwave-flash \"access 1 month\"\nExpiresByType image\/x-icon \"access 1 year\"\nExpiresDefault \"access 2 days\"\n&lt;\/IfModule&gt;\n## EXPIRES HEADER CACHING ##<\/code><\/pre>\n<p>\u5148\u3068\u540c\u3058\u3088\u3046\u306b\u3001 <strong>#BEGIN WordPress<\/strong>\u306e\u524d\u3001\u307e\u305f\u306f\u3001<strong>#END WordPress<\/strong>\u306e\u5f8c\u306b\u3053\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/p>\n<h4>Google Analytics\u306e\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5<\/h4>\n<p>\u76ae\u8089\u306a\u3053\u3068\u306b\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/google-analytics-wordpress\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u30e6\u30fc\u30b6\u30fc\u306e\u884c\u52d5\u3092\u8ffd\u8de1\u3059\u308b\u305f\u3081\u306b\u30da\u30fc\u30b8\u306e\u30d8\u30c3\u30c0\u30fc\u306b\u8ffd\u52a0\u3059\u308bGoogle \u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9\u30b9\u30af\u30ea\u30d7\u30c8<\/a>\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u6709\u52b9\u671f\u9650\u306f\u308f\u305a\u304b2\u6642\u9593\u3002\u3053\u308c\u306f\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u304c\u66f4\u65b0\u3055\u308c\u305f\u5834\u5408\u3067\u3042\u3063\u3066\u3082\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5909\u66f4\u5185\u5bb9\u306b\u3059\u3070\u3084\u304f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306e\u4ed5\u69d8\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u306f\u3001\u300c\u9759\u7684\u306a\u30a2\u30bb\u30c3\u30c8\u3068\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5 \u30dd\u30ea\u30b7\u30fc\u306e\u914d\u4fe1\u300d\u9805\u76ee\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u30ea\u30bd\u30fc\u30b9\u306e\u4e00\u89a7\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306b\u5c5e\u3057\u3066\u3044\u308b\u305f\u3081\u3001<strong>Cache-Control<\/strong>\u307e\u305f\u306f<strong>Expires<\/strong>\u30d8\u30c3\u30c0\u30fc\u3067\u6709\u52b9\u671f\u9650\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u304c\u540c\u9805\u76ee\u3067\u8868\u793a\u3055\u308c\u3066\u3044\u3066\u3082\uff08\u8868\u793a\u3055\u308c\u308b\u552f\u4e00\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3042\u308b\u3068\u304d\uff09\u76e3\u67fb\u306b\u306f\u5408\u683c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65558\" aria-describedby=\"caption-attachment-65558\" style=\"width: 1466px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65558\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/passed-efficient-caching-1.png\" alt=\"\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc\u306e\u76e3\u67fb\u306b\u5408\u683c\" width=\"1466\" height=\"544\"><figcaption id=\"caption-attachment-65558\" class=\"wp-caption-text\">\u52b9\u7387\u7684\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u30dd\u30ea\u30b7\u30fc\u306e\u76e3\u67fb\u306b\u5408\u683c<\/figcaption><\/figure>\n<p>\u305f\u3060\u3057\u3001PageSpeed\u306e\u30b9\u30b3\u30a2\u306f\u5b9f\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3084\u611f\u899a\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u307b\u3069\u91cd\u8981\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u914d\u4fe1\u306b\u306f\u3001Google \u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9\u3092\u30ed\u30fc\u30ab\u30eb\u3067\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u3053\u3068\u3082\u691c\u8a0e\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/wordpress.org\/plugins\/host-analyticsjs-local\/\">Complete Analytics Optimization Suite (CAOS)<\/a>\u3084Perfmatters\u306a\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3068\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/leverage-browser-caching\/\">\u8a73\u3057\u304f\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>21. \u7b2c\u4e09\u8005\u30b3\u30fc\u30c9\u306e\u5f71\u97ff\u3092\u6291\u3048\u308b<\/h3>\n<p>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3001PageSpeed Insights\u304b\u3089\u306e\u76e3\u67fb\u306b\u5931\u6557\u3059\u308b\u53ef\u80fd\u6027\u3092\u3082\u305f\u3089\u3059\u3053\u3068\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3053\u307e\u3067\u3067\u3054\u7d39\u4ecb\u3057\u305f\u901a\u308a\u3067\u3059\u3002\u60aa\u5f71\u97ff\u3092\u9632\u3050\u305f\u3081\u306b\u3001\u305d\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3078\u306e\u4f9d\u5b58\u3092\u5236\u9650\u3059\u308b\u3053\u3068\u304c\u7406\u60f3\u7684\u3067\u3059\u3002<\/p>\n<p>\u3068\u306f\u8a00\u3048\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u30b5\u30a4\u30c8\u306b\u5fc5\u8981\u3068\u3055\u308c\u308b\u6a5f\u80fd\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u907f\u3051\u3089\u308c\u306a\u3044\u5834\u5408\u3082\u3042\u308b\u3067\u3057\u3087\u3046\u3002Google\u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9\u304c\u597d\u4f8b\u3067\u3059\u3002\u305d\u306e\u4ed6\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u53ef\u80fd\u6027\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-social-media-plugins\/\">SNS\u306e\u30b7\u30a7\u30a2\u30dc\u30bf\u30f3<\/a>\u3084\u30d5\u30a3\u30fc\u30c9<\/li>\n<li>YouTube\u30d3\u30c7\u30aa\u306e\u57cb\u3081\u8fbc\u307f<\/li>\n<li>\u5e83\u544a\u3084\u305d\u306e\u4ed6\u30b3\u30f3\u30c6\u30f3\u30c4\u7528\u306eiFrame<\/li>\n<li>JavaScript\u3001\u30d5\u30a9\u30f3\u30c8\u306a\u3069\u306e\u8981\u7d20<\/li>\n<\/ul>\n<p>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f7f\u7528\u304c\u5fc5\u8981\u3068\u601d\u308f\u308c\u308b\u5834\u5408\u3067\u3082\u3001\uff08PageSpeed\u306e\u5206\u6790\u7d50\u679c\u304b\u3089\u6b21\u306e\u3088\u3046\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3092\u8003\u3048\u308b\u3068\uff09\u30b5\u30a4\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_65555\" aria-describedby=\"caption-attachment-65555\" style=\"width: 1468px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65555\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/reduce-thirdparty-code-1.png\" alt=\"\u7b2c\u4e09\u8005\u30b3\u30fc\u30c9\u306e\u5f71\u97ff\u3092\u6291\u3048\u308b\" width=\"1468\" height=\"348\"><figcaption id=\"caption-attachment-65555\" class=\"wp-caption-text\">\u7b2c\u4e09\u8005\u30b3\u30fc\u30c9\u306e\u5f71\u97ff\u3092\u6291\u3048\u308b<\/figcaption><\/figure>\n<p>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30b3\u30fc\u30c9\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306b\u306f\u3001\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u65e2\u306b\u89e6\u308c\u305f\u30c6\u30af\u30cb\u30c3\u30af\u304c\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>JavaScript\u306e\u8aad\u307f\u8fbc\u307f\u3092\u9045\u3089\u305b\u308b<\/li>\n<li><strong>preconnect<\/strong>\u5c5e\u6027\u306e\u30ea\u30f3\u30af\u30bf\u30b0\u3092\u4f7f\u3046<\/li>\n<li>\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u81ea\u5df1\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3059\u308b\uff08\u4e0a\u306eGoogle\u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9\u306e\u4f8b\u3067\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\uff09<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3067\u3001\u30b5\u30a4\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>22. \u904e\u5927\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30da\u30a4\u30ed\u30fc\u30c9\u306e\u56de\u907f<\/h3>\n<p>\u3053\u306e\u63a8\u5968\u4e8b\u9805\u306f\u3001\u7279\u306b\u30e2\u30d0\u30a4\u30eb\u7aef\u672b\u3092\u4f7f\u3063\u305f\u8a2a\u554f\u8005\u306b\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u5927\u304d\u3044\u3068\u3001\u3088\u308a\u591a\u304f\u306e\u30bb\u30eb\u30e9\u30fc\u30c7\u30fc\u30bf\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8cbb\u7528\u304c\u304b\u3055\u307f\u307e\u3059\u3002\u30da\u30fc\u30b8\u5230\u9054\u306b\u5fc5\u8981\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3068\u3001\u3053\u308c\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65552\" aria-describedby=\"caption-attachment-65552\" style=\"width: 1452px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65552\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/avoid-enormous-payloads-1.png\" alt=\"\u300c\u904e\u5927\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30da\u30a4\u30ed\u30fc\u30c9\u306e\u56de\u907f\u300d\" width=\"1452\" height=\"420\"><figcaption id=\"caption-attachment-65552\" class=\"wp-caption-text\">\u300c\u904e\u5927\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30da\u30a4\u30ed\u30fc\u30c9\u306e\u56de\u907f\u300d<\/figcaption><\/figure>\n<p>Google\u306f\u3001\u5408\u8a08\u30d0\u30a4\u30c8\u30b5\u30a4\u30ba\u30921,600 KB\u4ee5\u4e0b\u306b\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u9054\u6210\u3059\u308b\u305f\u3081\u306b\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u65b9\u6cd5\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff08\u4eca\u56de\u306e\u8a18\u4e8b\u306e\u5404\u6240\u3067\u6271\u3063\u3066\u3044\u307e\u3059\uff09\u3002<\/p>\n<ul>\n<li>\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u898b\u3048\u308b\u7bc4\u56f2\u5916\u306b\u3042\u308bCSS\u3001JavaScript\u3001\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u9045\u5ef6<\/li>\n<li>\u30b3\u30fc\u30c9\u306e\u6700\u5c0f\u5316<\/li>\n<li>\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u5727\u7e2e<\/li>\n<li>\u753b\u50cf\u306bWebP\u5f62\u5f0f\u3092\u4f7f\u7528\u3059\u308b<\/li>\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n<p>\u95a2\u9023\u3059\u308b\u624b\u6cd5\u3092\u5b9f\u884c\u3059\u308b\u3060\u3051\u3067\u3001\u305d\u306e\u4ed6\u306b\u7279\u5225\u306a\u52b4\u529b\u3092\u304b\u3051\u305a\u306b\u3053\u306e\u76e3\u67fb\u306b\u5408\u683c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>23. \u30ab\u30b9\u30bf\u30e0\u901f\u5ea6\u306e\u8a18\u9332\u3068\u8a08\u6e2c<\/h3>\n<p>\u3053\u306e\u63a8\u5968\u4e8b\u9805\u306f\u3001 <a href=\"https:\/\/web.dev\/user-timings\/\">User Timing API\/\u30e6\u30fc\u30b6\u30fc\u30bf\u30a4\u30df\u30f3\u30b0API<\/a>\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u8a72\u5f53\u3057\u307e\u3059\u3002\u3053\u306e\u30c4\u30fc\u30eb\u306f\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u4f5c\u6210\u3057\u3066\u3001JavaScript\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8a55\u4fa1\u3059\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306bAPI\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u3001PageSpeed Insights\u306e\u3053\u306e\u898b\u51fa\u3057\u306e\u4e0b\u306b\u8a18\u9332\u3068\u8a08\u6e2c\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65574\" aria-describedby=\"caption-attachment-65574\" style=\"width: 1500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65574\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/user-timing-1.png\" alt=\"\u300c\u30ab\u30b9\u30bf\u30e0\u901f\u5ea6\u306e\u8a18\u9332\u3068\u8a08\u6e2c\u300d\" width=\"1500\" height=\"727\"><figcaption id=\"caption-attachment-65574\" class=\"wp-caption-text\">\u300c\u30ab\u30b9\u30bf\u30e0\u901f\u5ea6\u306e\u8a18\u9332\u3068\u8a08\u6e2c\u300d<\/figcaption><\/figure>\n<p>\u3054\u89a7\u306e\u3068\u304a\u308a\u3001\u3053\u308c\u306f\u300c\u5408\u683c\u300d\u307e\u305f\u306f\u300c\u4e0d\u5408\u683c\u300d\u3067\u306f\u5224\u65ad\u3055\u308c\u306a\u3044Google\u304b\u3089\u306e\u60c5\u5831\u63d0\u4f9b\u3067\u3059\u3002 PageSpeed Insights\u306b\u8868\u793a\u3055\u308c\u308b\u3053\u306e\u60c5\u5831\u306f\u3001\u6700\u9069\u5316\u304c\u5fc5\u8981\u3068\u306a\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u9818\u57df\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/API\/User_Timing_API\/Using_the_User_Timing_API\">User Timing API\u3092WordPress\u30b5\u30a4\u30c8\u306b\u7d44\u307f\u8fbc\u3080\u65b9\u6cd5\u306f\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>24. \u904e\u5927\u306a DOM \u30b5\u30a4\u30ba\u306e\u56de\u907f<\/h3>\n<p>\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001DOM\u3068\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304cHTML\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u5909\u63db\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u8868\u3059\u500b\u3005\u306e\u30ce\u30fc\u30c9\u3067\u69cb\u6210\u3055\u308c\u308b\u968e\u5c64\u69cb\u9020\u3092\u7528\u3044\u307e\u3059\u3002\u5f53\u7136\u3001\u30da\u30fc\u30b8\u306eDOM\u304c\u5927\u304d\u3044\u307b\u3069\u3001\u8aad\u307f\u8fbc\u307f\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u30da\u30fc\u30b8\u304c<a href=\"https:\/\/web.dev\/dom-size\/\">DOM\u30b5\u30a4\u30ba\u306b\u95a2\u3059\u308b\u7279\u5b9a\u306e\u57fa\u6e96<\/a>\u3092\u8d85\u3048\u3066\u3044\u308b\u5834\u5408\u3001\u30ce\u30fc\u30c9\u306e\u6570\u3068<a href=\"https:\/\/developers.google.com\/web\/fundamentals\/performance\/rendering\/reduce-the-scope-and-complexity-of-style-calculations\">CSS\u30b9\u30bf\u30a4\u30eb\u306e\u8907\u96d1\u3055<\/a>\u3092\u8efd\u6e1b\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_65570\" aria-describedby=\"caption-attachment-65570\" style=\"width: 1458px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-65570\" src=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2020\/01\/avoid-excessive-dom-size-1.png\" alt=\"\u300c\u904e\u5927\u306a DOM \u30b5\u30a4\u30ba\u306e\u56de\u907f\u300d\" width=\"1458\" height=\"252\"><figcaption id=\"caption-attachment-65570\" class=\"wp-caption-text\">\u300c\u904e\u5927\u306a DOM \u30b5\u30a4\u30ba\u306e\u56de\u907f\u300d<\/figcaption><\/figure>\n<p>PageSpeed 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&#8230;<\/p>\n","protected":false},"author":38,"featured_media":26639,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[114,28],"topic":[832],"class_list":["post-26587","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","tag-pagespeed","tag-webperf","topic-wordpress-performance"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Google PageSpeed Insights\u3067100\u70b9\u6e80\u70b9\u3092\u7372\u5f97\u3059\u308b\u610f\u5473<\/title>\n<meta name=\"description\" content=\"Google PageSpeed 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