{"id":60596,"date":"2024-09-16T22:36:42","date_gmt":"2024-09-16T13:36:42","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=60596&#038;post_type=knowledgebase&#038;preview_id=60596"},"modified":"2025-10-02T04:44:03","modified_gmt":"2025-10-01T19:44:03","slug":"combine-external-css","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/combine-external-css\/","title":{"rendered":"WordPress\u3067\u5916\u90e8CSS\u3092\u7d50\u5408\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p><a href=\"https:\/\/kinsta.com\/jp\/blog\/pingdom-speed-test\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pingdom<\/a>\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/gtmetrix-speed-test\/\" target=\"_blank\" rel=\"noopener noreferrer\">GTmetrix<\/a>\u3001\u307e\u305f\u306f<a href=\"https:\/\/kinsta.com\/jp\/blog\/google-pagespeed-insights\/\" target=\"_blank\" rel=\"noopener noreferrer\">Google PageSpeed Insights<\/a>\u3067\u300cCombine external CSS\uff08\u5916\u90e8CSS\u3092\u7d50\u5408\u3057\u3066\u304f\u3060\u3055\u3044\uff09\u300d\u3068\u3044\u3046\u3088\u3046\u306a\u63a8\u5968\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001WordPress\u30b5\u30a4\u30c8\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u4e00\u822c\u7684\u306a\u30a8\u30e9\u30fc\u3067\u3001\u901a\u5e38\u3001CDN\u3084\u30b5\u30d6\u30c9\u30e1\u30a4\u30f3\uff08\u5916\u90e8\u30c9\u30e1\u30a4\u30f3\uff09\u304b\u3089\u8aad\u307f\u8fbc\u3093\u3067\u3044\u308bCSS\u30d5\u30a1\u30a4\u30eb\u304c10\u4ef6\u4ee5\u4e0a\u3042\u308b\u5834\u5408\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002CSS\u30d5\u30a1\u30a4\u30eb\u3092\u7d50\u5408\u3059\u308b\u304b\u30011\u3064\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u8aad\u307f\u8fbc\u3080\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p>\n<aside role=\"note\" class=\"wp-block-kinsta-notice is-style-note\">\n        <p><span id=\"urn:enhancement-21\" class=\"textannotation disambiguated wl-thing\">HTTP\/2\u3092<\/span>\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u3067HTTPS\u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u3053\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u7121\u8996\u3057\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<span id=\"urn:enhancement-22\" class=\"textannotation disambiguated wl-thing\">HTTP\/<\/span>2\u3067\u306f\u30011<span id=\"urn:enhancement-22\" class=\"textannotation disambiguated wl-thing\">\u3064\u306e<\/span>\u63a5\u7d9a\u3067\u8907\u6570\u306eCSS\u30d5\u30a1\u30a4\u30eb\u3092\u4e26\u884c\u3057\u3066\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/aside>\n\n<figure id=\"attachment_6767\" aria-describedby=\"caption-attachment-6767\" style=\"width: 1687px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6767 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/09\/combine-external-css-warning-pingdom-1.png\" alt=\"Pingdom\u306e\u5916\u90e8CSS\u306e\u7d50\u5408\u3092\u63a8\u5968\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\" width=\"1687\" height=\"406\"><figcaption id=\"caption-attachment-6767\" class=\"wp-caption-text\">Pingdom\u306e\u5916\u90e8CSS\u306e\u7d50\u5408\u3092\u63a8\u5968\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8<\/figcaption><\/figure>\n<p>\u307e\u3060<a href=\"https:\/\/kinsta.com\/jp\/learn\/what-is-http2\/\" target=\"_blank\" rel=\"noopener noreferrer\">HTTP\/2<\/a>\u306b\u79fb\u884c\u3057\u3066\u304a\u3089\u305a\u3001HTTP\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u5916\u90e8CSS\u30d5\u30a1\u30a4\u30eb\u3092\u7d50\u5408\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u306a\u304a\u3001CSS\u306e\u7d50\u5408\u306f\u3001\u73fe\u5728<strong>\u4e00\u822c\u306b\u975e\u63a8\u5968<\/strong>\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<span id=\"urn:enhancement-1\" class=\"textannotation disambiguated wl-organization\">Kinsta\u3092\u542b\u3080\u591a\u304f\u306e<\/span>CDN\u30b5\u30fc\u30d3\u30b9\u3084\u30b5\u30fc\u30d0\u30fc\u30b5\u30fc\u30d3\u30b9\u3068\u540c\u69d8\u306b\u3001<a href=\"http:\/\/caniuse.com\/#search=http2\" target=\"_blank\" rel=\"noopener noreferrer\">\u307b\u307c\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u304cHTTP\/2\u3092\u30b5\u30dd\u30fc\u30c8<\/a>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>WordPress\u3067\u5916\u90e8CSS\u3092\u7d50\u5408\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u5916\u90e8CSS\u306e\u7d50\u5408\u3092\u63a8\u5968\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u901a\u5e38CDN\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001cdn.domain.com\u306a\u3069\u306e\u5916\u90e8\u30c9\u30e1\u30a4\u30f3\u3067CSS\u30d5\u30a1\u30a4\u30eb\u3092\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3001\u30a6\u30a7\u30d6\u30b5\u30fc\u30d0\u30fc\u4e0a\u306e<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-css\/\" target=\"_blank\" rel=\"noopener noreferrer\">CSS\u30d5\u30a1\u30a4\u30eb<\/a>\u3092\u7d50\u5408\u3059\u308b\u3053\u3068\u3067\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002CSS\u30d5\u30a1\u30a4\u30eb\u304c\u7d50\u5408\u3055\u308c\u308b\u3068\u30011\u56de\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u8aad\u307f\u8fbc\u307e\u308c\u308b\u305f\u3081\u3001\u3053\u306e\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u624b\u3063\u53d6\u308a\u65e9\u3044\u65b9\u6cd5\u306f\u3001<a href=\"http:\/\/blog.futtta.be\/about\/\" target=\"_blank\" rel=\"noopener noreferrer\">Frank Goossens<\/a>\u6c0f\u304c\u958b\u767a\u3057\u305f\u7121\u6599\u30d7\u30e9\u30b0\u30a4\u30f3<a href=\"https:\/\/wordpress.org\/plugins\/autoptimize\/\" target=\"_blank\" rel=\"noopener noreferrer\">Autoptimize<\/a>\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_6770\" aria-describedby=\"caption-attachment-6770\" style=\"width: 1347px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/wordpress.org\/plugins\/autoptimize\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6770 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/09\/autoptimize-1.jpg\" alt=\"Autoptimize\u30d7\u30e9\u30b0\u30a4\u30f3\" width=\"1347\" height=\"437\"><\/a><figcaption id=\"caption-attachment-6770\" class=\"wp-caption-text\">Autoptimize\u30d7\u30e9\u30b0\u30a4\u30f3<\/figcaption><\/figure>\n<p>\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f176KB\u3068\u8efd\u91cf\u3067\u3001\u672c\u8a18\u4e8b\u57f7\u7b46\u6642\u70b9\u3067100\u4e07\u4ee5\u4e0a\u306e\u30a2\u30af\u30c6\u30a3\u30d6\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30015\u3064\u661f\u4e2d4.7\u306e\u8a55\u4fa1\u3092\u8a87\u308a\u307e\u3059\u3002\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u7d50\u5408\u3001\u5727\u7e2e\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/add-expires-headers-wordpress\/\">\u671f\u9650\u5207\u308c\u30d8\u30c3\u30c0\u30fc<\/a>\u3001\u30b9\u30bf\u30a4\u30eb\u3092\u30d8\u30c3\u30c0\u30fc\u306b\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30d5\u30c3\u30bf\u30fc\u306b\u79fb\u52d5\u3059\u308b\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/wordpress.org\/plugins\/autoptimize\/\" target=\"_blank\" rel=\"noopener noreferrer\">WordPress\u30ea\u30dd\u30b8\u30c8\u30ea<\/a>\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u304b\u3001<span id=\"urn:enhancement-45\" class=\"textannotation disambiguated wl-creative-work\">WordPress\u7ba1\u7406\u753b\u9762\u306e\u300c<strong>\u30d7\u30e9\u30b0\u30a4\u30f3<\/strong>\u300d\uff1e<\/span>\u300c<strong>\u65b0\u898f\u8ffd\u52a0<\/strong>\u300d\u3067\u691c\u7d22\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u6709\u52b9\u5316\u3057\u305f\u3089\u3001\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\u306e\u300c<strong>Optimize CSS Code<\/strong>\uff08CSS\u30b3\u30fc\u30c9\u306e\u6700\u9069\u5316\uff09\u300d\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u307e\u3059\u3002\u3053\u308c\u3067CSS\u30d5\u30a1\u30a4\u30eb\u304c\u6700\u9069\u5316\uff08\u7d50\u5408\uff09\u3055\u308c\u307e\u3059\u3002<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-cdn\/\" target=\"_blank\" rel=\"noopener noreferrer\">CDN\u3092\u4f7f\u7528<\/a>\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001CDN\u306eURL\u3092\u300c<strong>CDN Options<\/strong>\u300d\u306b\u8cbc\u308a\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001CSS\u30d5\u30a1\u30a4\u30eb\u304cCDN\u4e0a\u30671\u3064\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u3057\u3066\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_6771\" aria-describedby=\"caption-attachment-6771\" style=\"width: 1489px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6771 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/09\/combine-external-css-files-1.png\" alt=\"\u5916\u90e8CSS\u30d5\u30a1\u30a4\u30eb\u3092\u7d50\u5408\" width=\"1489\" height=\"743\"><figcaption id=\"caption-attachment-6771\" class=\"wp-caption-text\">\u5916\u90e8CSS\u30d5\u30a1\u30a4\u30eb\u3092\u7d50\u5408<\/figcaption><\/figure>\n<p><a href=\"https:\/\/kinsta.com\/blog\/autoptimize-settings\/#cdn-options\" target=\"_blank\" rel=\"noopener noreferrer\">\u4e0a\u8a18\u306e\u8a2d\u5b9a\u3092\u6709\u52b9\u5316<\/a>\u3059\u308b\u3068\u3001CSS\u30d5\u30a1\u30a4\u30eb\u304c1\u3064\u306e\u300cautoptimize_xxxxx.css\u300d\u30d5\u30a1\u30a4\u30eb\u306b\u307e\u3068\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_6772\" aria-describedby=\"caption-attachment-6772\" style=\"width: 1885px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6772 size-full\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2016\/09\/combined-css-files-1.png\" alt=\"\u7d50\u5408\u3055\u308c\u305fCSS\u30d5\u30a1\u30a4\u30eb\" width=\"1885\" height=\"577\"><figcaption id=\"caption-attachment-6772\" class=\"wp-caption-text\">\u7d50\u5408\u3055\u308c\u305fCSS\u30d5\u30a1\u30a4\u30eb<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Pingdom\u3001GTmetrix\u3001\u307e\u305f\u306fGoogle &#8230;<\/p>\n","protected":false},"author":38,"featured_media":60597,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[837],"class_list":["post-60596","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-wordpress-tips"],"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>WordPress\u3067\u5916\u90e8CSS\u3092\u7d50\u5408\u3059\u308b\u65b9\u6cd5\uff5cKinsta\u00ae<\/title>\n<meta name=\"description\" content=\"Pingdom\u3084GTmetrix\u306a\u3069\u3067\u906d\u9047\u3059\u308b\u300c\u5916\u90e8CSS\u3092\u307e\u3068\u3081\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u3044\u3046\u63a8\u5968\u30e1\u30c3\u30bb\u30fc\u30b8\u3078\u306e\u5bfe\u51e6\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kinsta.com\/jp\/blog\/combine-external-css\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"WordPress\u3067\u5916\u90e8CSS\u3092\u7d50\u5408\u3059\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"Pingdom\u3084GTmetrix\u306a\u3069\u3067\u906d\u9047\u3059\u308b\u300c\u5916\u90e8CSS\u3092\u307e\u3068\u3081\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u3044\u3046\u63a8\u5968\u30e1\u30c3\u30bb\u30fc\u30b8\u3078\u306e\u5bfe\u51e6\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kinsta.com\/jp\/blog\/combine-external-css\/\" \/>\n<meta property=\"og:site_name\" content=\"Kinsta\u00ae\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/Kinsta-Japan-334616080691171\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/fm.brianleejackson\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-16T13:36:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-01T19:44:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kinsta.com\/jp\/wp-content\/uploads\/sites\/6\/2024\/09\/combine-external-css-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1460\" \/>\n\t<meta property=\"og:image:height\" content=\"730\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Brian Jackson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" 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