{"id":43514,"date":"2023-08-01T17:04:42","date_gmt":"2023-08-01T08:04:42","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=43514&#038;post_type=knowledgebase&#038;preview_id=43514"},"modified":"2025-10-02T04:46:20","modified_gmt":"2025-10-01T19:46:20","slug":"err_content_decoding_failed","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/err_content_decoding_failed\/","title":{"rendered":"\u30106\u3064\u306e\u65b9\u6cd5\u3011\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f"},"content":{"rendered":"<p><a href=\"https:\/\/kinsta.com\/browsers\/\">Google Chrome\u3001Microsoft Edge\u3001Firefox<\/a>\u306e\u3088\u3046\u306a\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u3001\u7c21\u5358\u306b\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u3092\u697d\u3057\u3080\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6642\u306b\u306f\u3069\u3046\u3057\u3066\u3082\u300cERR_CONTENT_DECODING_FAILED\u300d\u306e\u3088\u3046\u306a\u5384\u4ecb\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u906d\u9047\u3059\u308b\u3053\u3068\u3082\u3002<\/p>\n<p>\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5\u306f\u3001\u5e78\u3044\u975e\u5e38\u306b\u7c21\u5358\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7121\u52b9\u306b\u3057\u305f\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u30ea\u3057\u305f\u308a\u306a\u3069\u3001\u5358\u7d14\u306a\u64cd\u4f5c\u3067\u89e3\u6c7a\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u30686\u3064\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u8aac\u660e\u3057\u3066\u3044\u304d\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<p><strong><a href=\"https:\/\/www.youtube.com\/watch?v=4tmmzxryfuE\" target=\"_blank\" rel=\"noopener noreferrer\">\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u52d5\u753b\u3067\u306e\u89e3\u8aac\u3082\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059<\/a><\/strong>\u3002<\/p>\n<kinsta-video src=\"https:\/\/www.youtube.com\/watch?v=4tmmzxryfuE\"><\/kinsta-video>\n<h2>\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u3068\u306f<\/h2>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3059\u308b\u3068\u3001\u300cERR_CONTENT_DECODING_FAILED\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u30b5\u30a4\u30c8\u306e\u95b2\u89a7\u3092\u59a8\u3052\u308b\u305f\u3081\u5384\u4ecb\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1400px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/ERR_CONTENT_DECODING_FAILED-error-chrome.png\" alt=\"\u300c\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\uff08Chrome\uff09\" width=\"1400\" height=\"978\"><figcaption class=\"wp-caption-text\">\u300c\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\uff08Chrome\uff09<\/figcaption><\/figure>\n<p>Google Chrome\u3084Safari\u306a\u3069\u3001\u30d6\u30e9\u30a6\u30b6\u3092\u554f\u308f\u305a\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1400px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/ERR_CONTENT_DECODING_FAILED-error-safari.png\" alt=\"\u300c\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\uff08Safari\uff09\" width=\"1400\" height=\"982\"><figcaption class=\"wp-caption-text\">\u300c\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\uff08Safari\uff09<\/figcaption><\/figure>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u306b\u306f\u901a\u5e38\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/enable-gzip-compression\/\">GZIP\u5727\u7e2e<\/a>\u304c\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002GZIP\u5727\u7e2e\u3068\u306f\u3001WordPress\u30b5\u30a4\u30c8\u3092\u7c21\u5358\u306b\u6700\u9069\u5316\u3067\u304d\u308b\u52b9\u679c\u7684\u306a\u624b\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u8ab0\u304b\u304c\u30b5\u30a4\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30d6\u30e9\u30a6\u30b6\u306f<code>content-encoding: gzip<\/code>\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u30fc\u3092\u63a2\u3057\u3066GZIP\u5727\u7e2e\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u3053\u306e\u30d8\u30c3\u30c0\u30fc\u3092\u691c\u51fa\u3059\u308b\u3068\u3001\u81ea\u52d5\u7684\u306b\u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u53d6\u5f97\u3057\u3001\u89e3\u51cd\u3057\u3066\u30e6\u30fc\u30b6\u30fc\u306b\u914d\u4fe1\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1400px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/how-gzip-compression-works.png\" alt=\"GZIP\u5727\u7e2e\u306e\u4ed5\u7d44\u307f\" width=\"1400\" height=\"628\"><figcaption class=\"wp-caption-text\">GZIP\u5727\u7e2e\u306e\u4ed5\u7d44\u307f<\/figcaption><\/figure>\n<p>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u4f55\u3089\u304b\u306e\u554f\u984c\u304c\u751f\u3058\u308b\u3068\u3001\u3053\u306e\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u304c\u8fd4\u3055\u308c\u307e\u3059\u3002<\/p>\n\n<h2>\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u306e\u539f\u56e0<\/h2>\n<p>\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u306e\u6982\u8981\u304c\u308f\u304b\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u4e00\u822c\u7684\u306a\u539f\u56e0\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-a-firewall\/\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/a><\/strong>\uff1a\u5206\u6563\u578b\u30b5\u30fc\u30d3\u30b9\u62d2\u5426\uff08DDoS\uff09\u653b\u6483\u3001\u7dcf\u5f53\u305f\u308a\u653b\u6483\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u306a\u3069\u304b\u3089\u4fdd\u8b77\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3067\u3042\u308b\u4e00\u65b9\u3001\u6642\u306b\u30d6\u30e9\u30a6\u30b6\u3092\u6df7\u4e71\u3055\u305b\u3066\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u3082\u3002<\/li>\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u3084Cookie\u306e\u7834\u640d<\/strong>\uff1a\u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u306e\u9ad8\u901f\u5316\u306b\u5f79\u7acb\u3061\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/cookieless-future\/\">Cookie<\/a>\u306f\u30a2\u30d5\u30a3\u30ea\u30a8\u30a4\u30c8\u306a\u3069\u306b\u6b20\u304b\u305b\u307e\u305b\u3093\u3002\u6642\u3005<a href=\"https:\/\/kinsta.com\/jp\/blog\/wordpress-clear-cache\/\">\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/a>\u3057\u306a\u3051\u308c\u3070\u3001\u53e4\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3084\u7834\u640d\u3057\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30d6\u30e9\u30a6\u30b6\u306b\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u30a8\u30e9\u30fc<\/strong>\uff1a\u5148\u306b\u3082\u89e6\u308c\u305f\u901a\u308a\u3001GZIP\u5727\u7e2e\u304c\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc\u304c\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3044\u306a\u3044\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30b5\u30a4\u30c8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30a8\u30f3\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u305b\u3044\u3067\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u3082\u3002<\/li>\n<li><strong>DNS\u30a2\u30c9\u30ec\u30b9\u304c\u6b63\u3057\u304f\u306a\u3044<\/strong>\uff1aDNS\u30a2\u30c9\u30ec\u30b9\u306b\u8aa4\u308a\u304c\u3042\u308b\u5834\u5408\u3082\u3001\u3053\u306e\u30a8\u30e9\u30fc\u306b\u3064\u306a\u304c\u308a\u304b\u306d\u307e\u305b\u3093\u3002<\/li>\n<li><strong>DNS\u8a2d\u5b9a<\/strong>\uff1a\u30ad\u30e3\u30c3\u30b7\u30e5\u540c\u69d8\u3001<a href=\"https:\/\/kinsta.com\/jp\/docs\/wordpress-hosting\/wordpress-domains\/dns\/\">DNS\u306e\u8a2d\u5b9a<\/a>\u304c\u53e4\u304b\u3063\u305f\u308a\u3001\u7834\u640d\u3057\u3066\u3044\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u306f\u307b\u3093\u306e\u4e00\u4f8b\u3002\u3059\u3050\u306b\u89e3\u6c7a\u3067\u304d\u308b\u3082\u306e\u3082\u3042\u308c\u3070\u3001\u3084\u3084\u624b\u9593\u304c\u304b\u304b\u308b\u3082\u306e\u3082\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u3001\u5177\u4f53\u7684\u306a\u89e3\u6c7a\u7b56\u3092\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u306b\u306f\uff086\u3064\u306e\u65b9\u6cd5\uff09<\/h2>\n<p>\u305d\u308c\u3067\u306f\u3001\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u30926\u7a2e\u985e\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u4f8b\u3068\u3057\u3066<a href=\"https:\/\/kinsta.com\/jp\/browser-market-share\/\">\u6700\u3082\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30d6\u30e9\u30a6\u30b6<\/a>\u3067\u3042\u308bGoogle Chrome\u3092\u4f7f\u7528\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h3>1. \u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7121\u52b9\u306b\u3059\u308b<\/h3>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306f\u30aa\u30f3\u30e9\u30a4\u30f3\u4e0a\u306e\u8105\u5a01\u304b\u3089\u30c7\u30d0\u30a4\u30b9\u3092\u4fdd\u8b77\u3057\u307e\u3059\u304c\u3001\u6642\u306b\u3053\u306e\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306b\u306a\u308b\u3053\u3068\u3082\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7121\u52b9\u306b\u3057\u3066\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305a\u306fMac\u30c7\u30d0\u30a4\u30b9\u3067\u7121\u52b9\u5316\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u300c<strong>\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc<\/strong>\u300d\u3092\u958b\u304d\u3001\u300c<strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/strong>\u300d\u30bf\u30d6\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1324px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/mac-firewall-settings.png\" alt=\"Mac\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\" width=\"1324\" height=\"1156\"><figcaption class=\"wp-caption-text\">Mac\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u304c\u65e2\u306b\u30aa\u30d5\u306b\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u30aa\u30f3\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30a6\u30a3\u30f3\u30c9\u30a6\u5de6\u4e0b\u306b\u3042\u308b\u9375\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u300c<strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30aa\u30d5\u306b\u3059\u308b<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3089\u3001\u518d\u5ea6\u9375\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u30ed\u30c3\u30af\u3057\u3066\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1328px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/mac-firewall-off.png\" alt=\"\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30aa\u30d5\u306b\u3059\u308b\" width=\"1328\" height=\"1156\"><figcaption class=\"wp-caption-text\">\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u8a2d\u5b9a\u3092\u30aa\u30d5\u306b\u3059\u308b<\/figcaption><\/figure>\n<p>Windows\u306e\u5834\u5408\u3082\u4f3c\u305f\u3088\u3046\u306a\u624b\u9806\u3067\u3001\u300c<strong>\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb<\/strong>\u300d\uff1e\u300c<strong>\u30b7\u30b9\u30c6\u30e0<\/strong>\u300d\uff1e\u300c<strong>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u305f\u3089\u3001\u300c<strong>Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/strong>\u300d\u3092\u9078\u629e\u3057\u3066\u3001\u300c<strong>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4fdd\u8b77<\/strong>\u300d\u30bf\u30d6\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 998px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/windows-firewall.png\" alt=\"Windows\u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7ba1\u7406\" width=\"998\" height=\"487\"><figcaption class=\"wp-caption-text\">Windows\u3067\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7ba1\u7406<\/figcaption><\/figure>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u30aa\u30d5\u306b\u3057\u305f\u3089\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u623b\u308a\u3001\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>2. \u30d6\u30e9\u30a6\u30b6\u30ad\u30e3\u30c3\u30b7\u30e5\u3068Cookie\u3092\u30af\u30ea\u30a2\u3059\u308b<\/h3>\n<p>\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u3067\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/blog\/what-is-cached-data\/\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30c7\u30fc\u30bf<\/a>\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u914d\u4fe1\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u304c\u3001\u5b9a\u671f\u7684\u306b<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-clear-browser-cache\/\">\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/a>\u3057\u306a\u3044\u3068\u3001\u8907\u96d1\u306a\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-remove-tracking-cookies\/\">Cookie<\/a>\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u3082\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3068Cookie\u306e\u4e21\u65b9\u3092\u30af\u30ea\u30a2\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Google Chrome\u3092\u958b\u3044\u3066\u3001\u753b\u9762\u53f3\u4e0a\u306e3\u3064\u306e\u70b9\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c<strong>\u305d\u306e\u4ed6\u306e\u30c4\u30fc\u30eb<\/strong>\u300d\uff1e\u300c<strong>\u95b2\u89a7\u5c65\u6b74\u3092\u6d88\u53bb<\/strong>\u300d\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1400px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/chrome-more-tools-settings.png\" alt=\"Google Chrome\u306e\u8a2d\u5b9a\" width=\"1400\" height=\"784\"><figcaption class=\"wp-caption-text\">Google Chrome\u306e\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30dd\u30c3\u30d7\u30a2\u30c3\u30d7\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1116px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/clear-browsing-date-chrome.png\" alt=\"Google Chrome\u3067\u95b2\u89a7\u5c65\u6b74\u3092\u6d88\u53bb\" width=\"1116\" height=\"1044\"><figcaption class=\"wp-caption-text\">Google Chrome\u3067\u95b2\u89a7\u5c65\u6b74\u3092\u6d88\u53bb<\/figcaption><\/figure>\n<p>\u5ff5\u306e\u305f\u3081\u3001\u671f\u9593\u306f\u300c<strong>\u5168\u671f\u9593<\/strong>\u300d\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u300c<strong>Cookie \u3068\u4ed6\u306e\u30b5\u30a4\u30c8\u30c7\u30fc\u30bf<\/strong>\u300d\u3068\u300c<strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u3055\u308c\u305f\u753b\u50cf\u3068\u30d5\u30a1\u30a4\u30eb<\/strong>\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u5165\u308c\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u300c<strong>\u30c7\u30fc\u30bf\u3092\u524a\u9664<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3089\u3001\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u30da\u30fc\u30b8\u306b\u623b\u308a\u3001\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u3060\u89e3\u6d88\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u6b21\u306e\u89e3\u6c7a\u7b56\u306b\u79fb\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>3. GZIP\u5727\u7e2e\u3092\u7121\u52b9\u306b\u3059\u308b<\/h3>\n<p>GZIP\u5727\u7e2e\u306f\u30b5\u30a4\u30c8\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u753b\u671f\u7684\u306a\u65b9\u6cd5\u3067\u3059\u304c\u3001\u5727\u7e2e\u51e6\u7406\u4e2d\u306b\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u300cERR_CONTENT_DECODING_FAILED\u300d\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001\u7d9a\u3044\u3066GZIP\u5727\u7e2e\u3092\u7121\u52b9\u306b\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u306f\u3001<a href=\"https:\/\/chrome.google.com\/webstore\/detail\/modheader-modify-http-hea\/idgpnmonknjnojddfkpgkljpfnnfcklj\" target=\"_blank\" rel=\"noopener noreferrer\">ModHeader &#8211; Modify HTTP headers<\/a>\u306e\u3088\u3046\u306a<a href=\"https:\/\/kinsta.com\/blog\/best-chrome-extensions\/\">Chrome\u62e1\u5f35\u6a5f\u80fd<\/a>\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u62e1\u5f35\u6a5f\u80fd\u306e\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u300c<strong>Chrome\u306b\u8ffd\u52a0<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067\u5b8c\u4e86\u3067\u3059\u3002<\/p>\n<figure style=\"width: 1400px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/modheader-modify-http-headers-extension.png\" alt=\"ModHeader - Modify HTTP headers\" width=\"1400\" height=\"308\"><figcaption class=\"wp-caption-text\">ModHeader &#8211; Modify HTTP headers<\/figcaption><\/figure>\n<p>\u3053\u306e\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u78ba\u8a8d\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u300c<strong>\u62e1\u5f35\u6a5f\u80fd\u3092\u8ffd\u52a0<\/strong>\u300d\u3092\u9078\u629e\u3057\u3066\u7d9a\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u81ea\u52d5\u7684\u306bModHeader\u306e\u7ba1\u7406\u753b\u9762\u304c\u81ea\u52d5\u7684\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306e\u753b\u9762\u306f\u9589\u3058\u3066\u3057\u307e\u3063\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u30d0\u30fc\u306e\u6a2a\u306b\u3042\u308bModHeader\u306e\u30a2\u30a4\u30b3\u30f3\uff08\u4ee5\u4e0b\u53c2\u7167\uff09\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 1400px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/modheader-request-headers.png\" alt=\"ModHeader\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc\u8a2d\u5b9a\" width=\"1400\" height=\"640\"><figcaption class=\"wp-caption-text\">ModHeader\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u30d8\u30c3\u30c0\u30fc\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>\u300cRequest headers\u300d\u3067\u300cName\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u300caccept-encoding\u300d\u3001\u300cValue\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u300cgzip;q=0,deflate;q=0\u300d\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff08\u4ee5\u4e0b\u53c2\u7167\uff09\u3002<\/p>\n<figure style=\"width: 1240px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/disable-gzip-compression.png\" alt=\"Chrome\u3067GZIP\u5727\u7e2e\u3092\u7121\u52b9\u5316\" width=\"1240\" height=\"602\"><figcaption class=\"wp-caption-text\">Chrome\u3067GZIP\u5727\u7e2e\u3092\u7121\u52b9\u5316<\/figcaption><\/figure>\n<p>\u3053\u308c\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u3067GZIP\u5727\u7e2e\u304c\u7121\u52b9\u306b\u306a\u308a\u307e\u3059\u3002\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u30da\u30fc\u30b8\u306b\u518d\u5ea6\u30a2\u30af\u30bb\u30b9\u3057\u3001\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u3060\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/how-to-remove-chrome-extensions\/\">\u3053\u306e\u62e1\u5f35\u6a5f\u80fd<\/a>\u3092\u524a\u9664\u3057\u3066\u304b\u3089\u3001\u6b21\u306e\u7b56\u306b\u79fb\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>4. DNS\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a\u3059\u308b<\/h3>\n<p>\u5225\u306e\u539f\u56e0\u3068\u3057\u3066\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-dns\/\">\u30c9\u30e1\u30a4\u30f3\u30cd\u30fc\u30e0\u30b7\u30b9\u30c6\u30e0\uff08DNS\uff09<\/a>\u306e\u8a2d\u5b9a\u306b\u8aa4\u308a\u304c\u3042\u308b\u3053\u3068\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002DNS\u30b5\u30fc\u30d0\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3057\u3066\u3001\u30a8\u30e9\u30fc\u304c\u89e3\u6d88\u3067\u304d\u308b\u304b\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u73fe\u5728\u304a\u4f7f\u3044\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/what-is-isp\/\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b5\u30fc\u30d3\u30b9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\uff08ISP\uff09<\/a>\u63d0\u4f9b\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u7c21\u5358\u306b\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u3044\u305a\u308c\u306b\u305b\u3088\u3001\u5143\u306e\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u306b\u623b\u3057\u305f\u3044\u5834\u5408\u3092\u60f3\u5b9a\u3057\u3066\u3001\u30a2\u30c9\u30ec\u30b9\u306f\u30e1\u30e2\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>Mac\u306e\u5834\u5408\u306f\u3001\u300c<strong>\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u300d\u306b\u79fb\u52d5\u3057\u3001\u300c<strong>Wi-Fi<\/strong>\u300d\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u4e0a\u3067\u3001\u300c<strong>\u8a73\u7d30<\/strong>\u300d\uff1e\u300c<strong>DNS<\/strong>\u300d\u30bf\u30d6\u3092\u958b\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1322px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/mac-dns-settings.png\" alt=\"Mac\u30c7\u30d5\u30a9\u30eb\u30c8\u306eDNS\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\" width=\"1322\" height=\"1248\"><figcaption class=\"wp-caption-text\">Mac\u30c7\u30d5\u30a9\u30eb\u30c8\u306eDNS\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9<\/figcaption><\/figure>\n<p>\u5de6\u9685\u306b\u3042\u308b\u300c<strong>\uff0b<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u3092<a href=\"https:\/\/developers.google.com\/speed\/public-dns\" target=\"_blank\" rel=\"noopener noreferrer\">Google Public DNS<\/a>\u306b\u7f6e\u304d\u63db\u3048\u307e\u3059\u3002<\/p>\n<p>Google\u306eIPv4\u30a2\u30c9\u30ec\u30b9\u300c<strong>8.8.8.8<\/strong>\u300d\u307e\u305f\u306f\u300c<strong>8.8.4.4<\/strong>\u300d\uff08\u307e\u305f\u306f\u4e21\u65b9\uff09\u3092\u5165\u529b\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1290px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/change-dns-servers-mac.png\" alt=\"\u30b5\u30fc\u30d0\u30fc\u3092Google Public DNS\u306b\u5909\u66f4\" width=\"1290\" height=\"998\"><figcaption class=\"wp-caption-text\">\u30b5\u30fc\u30d0\u30fc\u3092Google Public DNS\u306b\u5909\u66f4<\/figcaption><\/figure>\n<p>\u307e\u305f\u306f\u3001Google\u306eIPv6\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u6700\u5f8c\u306b\u300c<strong>OK<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u5909\u66f4\u3092\u4fdd\u5b58\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>Windows\u306e\u5834\u5408\u306f\u3001\u300c<strong>\u8a2d\u5b9a<\/strong>\u300d\uff1e\u300c<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8<\/strong>\u300d\u3092\u958b\u304d\u3001\u300c<strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1039px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/windows-internet-properties.png\" alt=\"Windows\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u8a2d\u5b9a\" width=\"1039\" height=\"486\"><figcaption class=\"wp-caption-text\">Windows\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u8a2d\u5b9a<\/figcaption><\/figure>\n<p>\u300c<strong>IP \u5272\u308a\u5f53\u3066<\/strong>\u300d\u306e\u300c<strong>\u7de8\u96c6<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 984px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/ip-assignment.png\" alt=\"IP\u5272\u308a\u5f53\u3066\" width=\"984\" height=\"405\"><figcaption class=\"wp-caption-text\">IP\u5272\u308a\u5f53\u3066<\/figcaption><\/figure>\n<p>\u8868\u793a\u3055\u308c\u308b\u300c<strong>IP \u8a2d\u5b9a\u306e\u7de8\u96c6<\/strong>\u300d\u30a6\u30a3\u30f3\u30c9\u30a6\u3067\u3001\u300c<strong>\u624b\u52d5<\/strong>\u300d\u3092\u9078\u629e\u3057\u300c<strong>IPv4<\/strong>\u300d\u306e\u30c8\u30b0\u30eb\u30b9\u30a4\u30c3\u30c1\u3092\u30aa\u30f3\u306b\u3057\u307e\u3059\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u306bIP\u30a2\u30c9\u30ec\u30b9\u3092\u8cbc\u308a\u4ed8\u3051\u305f\u3089\u3001\u300c<strong>\u4fdd\u5b58<\/strong>\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<figure style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/network-ip-address.png\" alt=\"Windows\u3067IP\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3059\u308b\" width=\"900\" height=\"848\"><figcaption class=\"wp-caption-text\">Windows\u3067IP\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3059\u308b<\/figcaption><\/figure>\n<p>\u3053\u306e\u624b\u9806\u3067\u4f55\u304b\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001<a href=\"https:\/\/developers.google.com\/speed\/public-dns\/docs\/using\">Google\u516c\u5f0f\u306e\u89e3\u8aac\u30da\u30fc\u30b8<\/a>\u3092\u53c2\u7167\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>5. DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b<\/h3>\n<p>DNS\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u3092\u518d\u8a2d\u5b9a\u3057\u3066\u3082\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u306a\u3044\u5834\u5408\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/flush-dns\/\">DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/a>\u3057\u307e\u3057\u3087\u3046\u3002Mac\u3067\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u4f7f\u3063\u3066\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u306f\u3001Spotlight\u691c\u7d22\u3067\u63a2\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1346px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/terminal-application-mac.png\" alt=\"Mac\u306e\u30bf\u30fc\u30df\u30ca\u30eb\" width=\"1346\" height=\"848\"><figcaption class=\"wp-caption-text\">Mac\u306e\u30bf\u30fc\u30df\u30ca\u30eb<\/figcaption><\/figure>\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u3044\u305f\u3089\u3001\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><code>sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder<\/code><\/p>\n<p>\u305d\u306e\u5f8c\u3001\u7ba1\u7406\u8005\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3057\u3001\u518d\u5ea6Enter\u30ad\u30fc\u3092\u62bc\u3059\u3068\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u30af\u30ea\u30a2\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Windows\u306e\u5834\u5408\u3082\u540c\u69d8\u3067\u3001\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u958b\u3044\u3066\u4ee5\u4e0b\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p><code>ipconfig \/flushdns<\/code><\/p>\n<p>\u305d\u306e\u5f8c\u3001\u554f\u984c\u306e\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>6. \u30d6\u30e9\u30a6\u30b6\u3067DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b<\/h3>\n<p>\u307e\u3060\u30a8\u30e9\u30fc\u304c\u89e3\u6c7a\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u6700\u5f8c\u306b\u8a66\u3057\u3066\u307f\u305f\u3044\u306e\u304c\u3001\u30d6\u30e9\u30a6\u30b6\u3067DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u3002<\/p>\n<p>Chrome\u3067\u65b0\u898f\u30bf\u30d6\u3092\u958b\u304d\u3001\u691c\u7d22\u30d0\u30fc\u306b\u300cchrome:\/\/net-internals\u300d\u3092\u8cbc\u308a\u4ed8\u3051\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1400px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/chrome-net-internals.png\" alt=\"chrome:\/\/net-internals\" width=\"1400\" height=\"281\"><figcaption class=\"wp-caption-text\">chrome:\/\/net-internals<\/figcaption><\/figure>\n<p>\u5de6\u5074\u306e\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300c<strong>Sockets<\/strong>\u300d\u3092\u9078\u629e\u3057\u3066\u3001\u300c<strong>Flush socket pools<\/strong>\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure style=\"width: 1400px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/kinsta.com\/wp-content\/uploads\/2023\/03\/flush-socket-pools-chrome.png\" alt=\"Chrome\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\" width=\"1400\" height=\"269\"><figcaption class=\"wp-caption-text\">Chrome\u306eDNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2<\/figcaption><\/figure>\n<p>\u305d\u306e\u5f8c\u3001\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u30da\u30fc\u30b8\u306b\u623b\u3063\u3066\u3001\u6b63\u5e38\u306b\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30d6\u30e9\u30a6\u30b8\u30f3\u30b0\u4e2d\u3001\u4e88\u671f\u305b\u305a\u300cERR_CONTENT_DECODING_FAILED\u300d\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u539f\u56e0\u306f\u3001\u8907\u96d1\u306a\u30a8\u30f3\u30b3\u30fc\u30c9\uff0f\u30c7\u30b3\u30fc\u30c9\u306e\u554f\u984c\u304b\u3089\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u7834\u640d\u3057\u305f\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u3088\u3046\u306a\u5358\u7d14\u306a\u554f\u984c\u307e\u3067\u69d8\u3005\u3002\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u3067\u304d\u308b\u9650\u308a\u3059\u3050\u306b\u89e3\u6c7a\u3057\u305f\u3044\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3092\u7121\u52b9\u306b\u3057\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068Cookie\u3092\u30af\u30ea\u30a2\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u3081\u307e\u3057\u3087\u3046\u3002\u305d\u308c\u3067\u3082\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u306f\u3001GZIP\u5727\u7e2e\u3092\u7121\u52b9\u306b\u3059\u308b\u304b\u3001DNS\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30af\u30ea\u30a2\u3059\u308b\u304b\u3001DNS\u30b5\u30fc\u30d0\u30fc\u30a2\u30c9\u30ec\u30b9\u3092\u518d\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u4e2d\u5fc3\u306b\u30d3\u30b8\u30cd\u30b9\u3092\u5c55\u958b\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b5\u30a4\u30c8\u3092\u5e38\u306b\u7a3c\u50cd\u3057\u305f\u72b6\u614b\u306b\u4fdd\u3061\u305f\u3044\u3082\u306e\u3002Kinsta\u3067\u306f\u3001\u3059\u3079\u3066\u306e<a href=\"https:\/\/kinsta.com\/jp\/pricing\/\">\u30b5\u30fc\u30d0\u30fc\u30d7\u30e9\u30f3<\/a>\u3067\u30c8\u30c3\u30d7\u30af\u30e9\u30b9\u306e\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u554f\u984c\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u308224\u6642\u9593\u5e74\u4e2d\u7121\u4f11\u3067\u304a\u624b\u4f1d\u3044\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google Chrome\u3001Microsoft Ed &#8230;<\/p>\n","protected":false},"author":199,"featured_media":43515,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kinsta_gated_content":false,"_kinsta_gated_content_redirect":"","footnotes":""},"tags":[],"topic":[754,765],"class_list":["post-43514","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","topic-chrome-errors","topic-domain-name-system"],"yoast_head":"<!-- This site is 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