{"id":518,"date":"2023-07-21T14:38:47","date_gmt":"2023-07-21T05:38:47","guid":{"rendered":"https:\/\/fastest.jp\/blog\/?p=518"},"modified":"2023-07-21T14:38:53","modified_gmt":"2023-07-21T05:38:53","slug":"first-contentful-paint","status":"publish","type":"post","link":"https:\/\/fastest.jp\/blog\/first-contentful-paint\/","title":{"rendered":"First Contentful Paint\uff08FCP\uff09\u3068\u306f\uff1f\u6982\u8981\u3068\u6539\u5584\u65b9\u6cd5\u3092\u89e3\u8aac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">First Contentful Paint\uff08\u4ee5\u4e0b\u3001FCP\uff09\u306f\u3001<span class=\"fastest-text-marker\">\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u958b\u59cb\u3055\u308c\u3066\u304b\u3089\u3001\u30da\u30fc\u30b8\u5185\u306e\u3044\u305a\u308c\u304b\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u521d\u3081\u3066\u63cf\u753b\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u3093\u3060\u3068\u304d\u306b\u767d\u3044\u753b\u9762\u306e\u307e\u307e\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5148\u306b\u4ed6\u306e\u30b5\u30a4\u30c8\u3067\u60c5\u5831\u3092\u5f97\u3088\u3046\u3068\u96e2\u8131\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br>\u305d\u306e\u7d50\u679c\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u898b\u3066\u3082\u3089\u3048\u305a\u3001<span class=\"fastest-text-marker\">\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u306e\u4f4e\u4e0b\u3084 SEO \u306e\u8a55\u4fa1\u306e\u4f4e\u4e0b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/span><br>\u305d\u306e\u305f\u3081\u3001FCP \u306e\u6539\u5584\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001FCP \u306e\u6982\u8981\u3068\u6539\u5584\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">FCP \u3068\u306f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">FCP \u3068\u306f\u3001\u5148\u8ff0\u3057\u305f\u901a\u308a\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u958b\u59cb\u3055\u308c\u3066\u304b\u3089\u3001\u30da\u30fc\u30b8\u5185\u306e\u3044\u305a\u308c\u304b\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u521d\u3081\u3066\u63cf\u753b\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002<br>\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u30c6\u30ad\u30b9\u30c8\u3084\u753b\u50cf\u306a\u3069\u306e\u8981\u7d20\u3067\u3059\u3002<br>\u30e6\u30fc\u30b6\u30fc\u306f\u60c5\u5831\u3092\u3059\u3050\u306b\u53d6\u5f97\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001<span class=\"fastest-text-marker\">\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u9045\u3044\u3068\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3059\u308b\u524d\u306b\u96e2\u8131\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3068\u3057\u3066\u3001Google \u3067\u691c\u7d22\u7d50\u679c\u306e\u753b\u9762\u304c\u63cf\u5199\u3055\u308c\u308b\u6d41\u308c\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"233\" src=\"https:\/\/storage.fastest.jp\/2023\/07\/78496f9cba0b9a180a50677721b102de.png\" alt=\"First Contentful Paint\u306e\u4f8b\" class=\"wp-image-523\" srcset=\"https:\/\/storage.fastest.jp\/2023\/07\/78496f9cba0b9a180a50677721b102de.png 602w, https:\/\/storage.fastest.jp\/2023\/07\/78496f9cba0b9a180a50677721b102de-300x116.png 300w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u753b\u50cf\u5f15\u7528\u5143\uff1a<a href=\"https:\/\/web.dev\/i18n\/ja\/fcp\/\" target=\"_blank\" rel=\"noreferrer noopener\">First Contentful Paint (FCP) \u2013 Web.dev<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0a\u306e\u8aad\u307f\u8fbc\u307f\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u3067\u306f\u3001FCP \u306f2\u30d5\u30ec\u30fc\u30e0\u76ee\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br>\u3053\u308c\u304c\u3001\u30da\u30fc\u30b8\u5185\u306e\u3044\u305a\u308c\u304b\u306e\u8981\u7d20\u304c\u521d\u3081\u3066\u63cf\u753b\u3055\u308c\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3059\u3002<br>FCP \u306e\u30b9\u30b3\u30a2\u306f\u79d2\u6570\u3067\u8868\u793a\u3055\u308c\u30011.8\u79d2\u4ee5\u4e0b\u3067\u3042\u308c\u3070\u826f\u597d\u30013.0\u79d2\u3088\u308a\u9577\u3044\u3068\u4e0d\u826f\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"304\" height=\"244\" src=\"https:\/\/storage.fastest.jp\/2023\/07\/0b2f1bc7d9e5a566970f1325c376d306.png\" alt=\"First Contentful Paint\u306e\u30b9\u30b3\u30a2\u306e\u8a55\u4fa1\" class=\"wp-image-531\" srcset=\"https:\/\/storage.fastest.jp\/2023\/07\/0b2f1bc7d9e5a566970f1325c376d306.png 304w, https:\/\/storage.fastest.jp\/2023\/07\/0b2f1bc7d9e5a566970f1325c376d306-300x241.png 300w\" sizes=\"auto, (max-width: 304px) 100vw, 304px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">FCP \u3068 FP\u30fbFMP \u306e\u9055\u3044<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cFCP\u300d\u300cFP\u300d\u300cFMP\u300d\u306f Web \u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u6539\u5584\u306b\u4f7f\u308f\u308c\u308b\u6307\u6a19\u3067\u3059\u3002<br>\u3044\u305a\u308c\u306e\u6307\u6a19\u3082\u30da\u30fc\u30b8\u5185\u5bb9\u306e\u8868\u793a\u306b\u95a2\u308f\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u8a08\u6e2c\u3055\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Google \u306e Katie Hempenius \u6c0f\u306f Twitter \u3067\u300cFP\u300d\u300cFCP\u300d\u300cFMP\u300d\u306e\u9055\u3044\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">TLDR; of Paint Metrics<br><br>&#8211; First Paint (FP):<br>when *anything visually different than before* is rendered<br><br>&#8211; First Contentful Paint (FCP):<br>when *any DOM content* is rendered<br><br>&#8211; First Meaningful Paint (FMP):<br>when *meaningful\u00a0content* is rendered <a href=\"https:\/\/t.co\/CmWY4W0jKB\">pic.twitter.com\/CmWY4W0jKB<\/a><\/p>&mdash; Katie Hempenius (@katiehempenius) <a href=\"https:\/\/twitter.com\/katiehempenius\/status\/1186405633681248257?ref_src=twsrc%5Etfw\">October 21, 2019<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u30da\u30a4\u30f3\u30c8<strong>\u30e1\u30c8\u30ea\u30af\u30b9<\/strong>\u306e\u8981\u7d04<br><br>&#8211; First Paint(FP):<br>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u524d\u3068\u8996\u899a\u7684\u306b\u7570\u306a\u308b\u3082\u306e\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3068\u304d<br><br>-First Contentful Paint(FCP):<br>\u3044\u305a\u308c\u304b\u306eDOM\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3068\u304d<br><br>-First Meaningful Paint(FMP):<br>\u610f\u5473\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u3068\u304d<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u7ae0\u3067\u306f\u3001FCP \u3068FP\u30fbFMP \u306e\u9055\u3044\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">FCP \u3068 FP \u306e\u9055\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"fastest-text-marker\">FP\uff08First Paint\uff09\u3068\u306f\u3001\u30da\u30fc\u30b8\u5185\u306b\u8aad\u307f\u8fbc\u3093\u3060\u3068\u304d\u306b\u521d\u3081\u3066\u8996\u899a\u8981\u7d20\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002<\/span><br>\u4f8b\u3048\u3070\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u5f85\u6a5f\u4e2d\u306b\u767d\u3044\u80cc\u666f\u8272\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u3001\u3053\u306e\u5834\u5408\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u3093\u3067\u304b\u3089\u80cc\u666f\u8272\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u304c FCP \u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"fastest-text-marker\">FCP \u3068FP \u306e\u5927\u304d\u306a\u9055\u3044\u306f\u3001\u8868\u793a\u3055\u308c\u308b\u3082\u306e\u304c\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u3068\u3044\u3046\u70b9\u3067\u3059\u3002<\/span><br><span class=\"fastest-text-marker\">FP \u306f\u30da\u30fc\u30b8\u306b\u521d\u3081\u3066\u8868\u793a\u3055\u308c\u308b\u8981\u7d20\u306e\u8868\u793a\u6642\u9593\u3092\u8a08\u6e2c\u3057\u307e\u3059\u304c\u3001FCP \u306f\u30da\u30fc\u30b8\u5185\u306e\u3044\u305a\u308c\u304b\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8868\u793a\u6642\u9593\u3092\u8a08\u6e2c\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">FCP \u3068 FMP \u306e\u9055\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"fastest-text-marker\">FMP\uff08First Meaningful Paint\uff09\u3068\u306f\u3001\u30da\u30fc\u30b8\u5185\u306e\u30e1\u30a4\u30f3\u3068\u306a\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002<\/span><br>FCP \u3068 FMP \u306e\u9055\u3044\u306b\u3064\u3044\u3066 Google \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u30da\u30fc\u30b8\u4e0a\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u6700\u521d\u306e\u30d3\u30c3\u30c8\u306b\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u898b\u3048\u308b\u90e8\u5206\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001First Contentful Paint\uff08FCP\uff09\u3068 FMP \u306f\u591a\u304f\u306e\u5834\u5408\u540c\u3058\u3067\u3059\u3002<br>\u305f\u3060\u3057\u3001\u305f\u3068\u3048\u3070\u3001iframe \u5185\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u898b\u3048\u308b\u7bc4\u56f2\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3042\u308b\u5834\u5408\u3001\u3053\u308c\u3089\u306e\u6307\u6a19\u306f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br>FMP \u306f iframe \u5185\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u8868\u793a\u3055\u308c\u308b\u3068\u304d\u306b\u767b\u9332\u3057\u307e\u3059\u304c\u3001FCP \u306b\u306fiframe \u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u542b\u307e\u308c\u307e\u305b\u3093\u3002<\/p>\n<cite>First Meaningful Paint &#8211; Chrome developers<br><a href=\"https:\/\/developer.chrome.com\/docs\/lighthouse\/performance\/first-meaningful-paint\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/developer.chrome.com\/docs\/lighthouse\/performance\/first-meaningful-paint\/<\/a><\/cite><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">iframe \u3068\u306f\u3001\u30da\u30fc\u30b8\u5185\u306b\u9818\u57df\u3092\u78ba\u4fdd\u3057\u305d\u306e\u9818\u57df\u5185\u306b\u6307\u5b9a\u3057\u305f URL \u3092\u8aad\u307f\u8fbc\u3093\u3067\u8868\u793a\u3059\u308b HTML \u30bf\u30b0\u3067\u3059\u3002<br>\u3064\u307e\u308a\u3001<span class=\"fastest-text-marker\">\u30da\u30fc\u30b8\u5185\u306b URL \u3067\u6307\u5b9a\u3055\u308c\u305f\u5916\u90e8\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u306a\u3044\u5834\u5408\u3001FCP \u3068 FMP \u306f\u540c\u3058\u306b\u306a\u308a\u3001\u5916\u90e8\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u3042\u308b\u5834\u5408 FCP \u3068 FMP \u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FCP \u3092\u6e2c\u5b9a\u3067\u304d\u308b\u30c4\u30fc\u30eb<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">FCP \u3092\u6e2c\u5b9a\u3067\u304d\u308b\u4ee3\u8868\u7684\u306a\u30c4\u30fc\u30eb\u306b\u306f\u3001\u4ee5\u4e0b\u306e2\u3064\u304c\u3042\u3052\u3089\u308c\u307e\u3059\u3002<br>\u30fbPageSpeed Insights<br>\u30fbLight House<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PageSpeed Insights<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"727\" height=\"575\" src=\"https:\/\/storage.fastest.jp\/2023\/07\/FCP2.png\" alt=\"First Contentful Paint\u306e\u30b9\u30b3\u30a2\" class=\"wp-image-524\" srcset=\"https:\/\/storage.fastest.jp\/2023\/07\/FCP2.png 727w, https:\/\/storage.fastest.jp\/2023\/07\/FCP2-300x237.png 300w\" sizes=\"auto, (max-width: 727px) 100vw, 727px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/pagespeed.web.dev\/?hl=ja\" target=\"_blank\" rel=\"noreferrer noopener\">PageSpeed Insights<\/a> \u306f\u3001Web \u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u306e\u6e2c\u5b9a\u3084\u6539\u5584\u70b9\u3092\u628a\u63e1\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">FCP \u306f PageSpeed insights \u306e\u30ec\u30dd\u30fc\u30c8\u306e\u3001\u300c\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3092\u8a3a\u65ad\u3059\u308b\u300d\u5185\u306e\u300c\u6307\u6a19\u300d\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u300c\u6539\u5584\u3067\u304d\u308b\u9805\u76ee\u300d\u3067\u306f\u3001\u5b9f\u969b\u306b\u5404\u6307\u6a19\u306e\u30b9\u30b3\u30a2\u304c\u4f4e\u3044\u539f\u56e0\u3068\u6539\u5584\u65b9\u6cd5\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"714\" height=\"382\" src=\"https:\/\/storage.fastest.jp\/2023\/07\/34e2250462d70ccdb08a66f219951706.png\" alt=\"First Contentful Paint\u306e\u6539\u5584\u65b9\u6cd5\" class=\"wp-image-525\" srcset=\"https:\/\/storage.fastest.jp\/2023\/07\/34e2250462d70ccdb08a66f219951706.png 714w, https:\/\/storage.fastest.jp\/2023\/07\/34e2250462d70ccdb08a66f219951706-300x161.png 300w\" sizes=\"auto, (max-width: 714px) 100vw, 714px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u672b\u5c3e\u306b FCP \u3068\u66f8\u3044\u3066\u3042\u308b\u3082\u306e\u304c\u8a72\u5f53\u3059\u308b\u9805\u76ee\u3067\u3059\u3002<br>\u3053\u3053\u3067\u306f\u3001\u300c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u59a8\u3052\u308b\u30ea\u30bd\u30fc\u30b9\u306e\u9664\u5916\u300d\u3068\u3042\u308a\u307e\u3059\u3002<br>\u5177\u4f53\u7684\u306a\u6539\u5584\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u5f8c\u307b\u3069\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lighthouse<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"804\" height=\"724\" src=\"https:\/\/storage.fastest.jp\/2023\/07\/FCP.png\" alt=\"Lighthouse\u306eFirst Contentful Paint\u306e\u30b9\u30b3\u30a2\" class=\"wp-image-520\" srcset=\"https:\/\/storage.fastest.jp\/2023\/07\/FCP.png 804w, https:\/\/storage.fastest.jp\/2023\/07\/FCP-300x270.png 300w, https:\/\/storage.fastest.jp\/2023\/07\/FCP-768x692.png 768w\" sizes=\"auto, (max-width: 804px) 100vw, 804px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/chrome.google.com\/webstore\/detail\/lighthouse\/blipmdconlkpinefehnmjammfjpmpbjk?hl=ja\" target=\"_blank\" rel=\"noreferrer noopener\">Lighthouse<\/a> \u306f Google \u306e\u62e1\u5f35\u6a5f\u80fd\u3067\u3059\u3002<br>Web \u30b5\u30a4\u30c8\u306e\u30da\u30fc\u30b8\u30b9\u30d4\u30fc\u30c9\u3092\u8a55\u4fa1\u3059\u308b Performance \u304b\u3089\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<br>Lighthouse \u306f Google \u306e\u62e1\u5f35\u6a5f\u80fd\u3092\u4f7f\u308f\u305a\u3001Chrome DevTools \u304b\u3089\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u3053\u306e\u9805\u76ee\u3067\u8a55\u4fa1\u3055\u308c\u308b\u6307\u6a19\u306f PaageSpeed Insights \u3068\u540c\u3058\u3067\u3059\u3002<br>PageSpeed Insights \u3068 Lighthouse \u306e\u30b9\u30b3\u30a2\u304c\u7570\u306a\u308b\u539f\u56e0\u306a\u3069 Lighthouse \u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<br>\u3010\u53c2\u8003\u3011<a href=\"https:\/\/fastest.jp\/blog\/lighthouse-howto\/#d0e9d87eb78fa54e47cd213ca7606442\" target=\"_blank\" rel=\"noreferrer noopener\">Lighthouse \u3068\u306f\uff1f~\u6982\u8981\u3068\u4f7f\u7528\u65b9\u6cd5\u3092\u89e3\u8aac~<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FCP \u306e\u6539\u5584\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u7ae0\u3067\u306f\u3001FCP \u306e\u6539\u5584\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<br>FCP \u306e\u6539\u5584\u65b9\u6cd5\u306f\u591a\u304f\u3042\u308b\u305f\u3081\u3001PageSpeed Insights \u306e\u8a3a\u65ad\u3092\u78ba\u8a8d\u3057\u512a\u5148\u9806\u4f4d\u3092\u4ed8\u3051\u3066\u9032\u3081\u3066\u3044\u304f\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u6392\u9664\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u306f\u3001Web \u30da\u30fc\u30b8\u4e0a\u3067\u753b\u50cf\u3084\u52d5\u753b\u3092\u63cf\u5199\u3059\u308b\u3053\u3068\u3067\u3059\u3002<br>JavaScript \u3084 CSS \u3092\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u8aad\u307f\u8fbc\u3080\u5834\u5408\u3001\u30da\u30fc\u30b8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u305f\u3081\u8868\u793a\u901f\u5ea6\u304c\u9045\u304f\u306a\u308a\u307e\u3059\u3002<br><span class=\"fastest-text-marker\">\u91cd\u8981\u306a JavaScript \u3084 CSS \u306f\u30a4\u30f3\u30e9\u30a4\u30f3\u914d\u4fe1\u3092\u884c\u3044\u3001\u91cd\u8981\u3067\u306a\u3044\u3082\u306e\u306f\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3092\u3059\u308b\u3053\u3068\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u6392\u9664\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u304c\u5c0f\u3055\u3044\u5834\u5408\u306f\u3001HTML \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u76f4\u63a5\u633f\u5165\u3067\u304d\u307e\u3059\u3002<br>\u3053\u308c\u3092\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u3068\u8a00\u3044\u307e\u3059\u3002<br>\u306a\u304a\u3001\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u304c\u5927\u304d\u3044\u5834\u5408\u306f PageSpeed Insights \u304b\u3089\u300c\u30da\u30fc\u30b8\u3092\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u898b\u3048\u308b\u7bc4\u56f2\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3059\u308b\u300d\u3068\u3044\u3046\u8b66\u544a\u304c\u51fa\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br>\u305d\u306e\u5834\u5408\u306f<span class=\"fastest-text-marker\">\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u898b\u3048\u308b\u7bc4\u56f2\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u3057\u3001\u6b8b\u308a\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306f\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3067\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3092\u3054\u691c\u8a0e\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">JavaScript \u3084 CSS \u3092\u6700\u9069\u5316\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30da\u30fc\u30b8\u306b\u591a\u304f\u306e CSS \u3084 JavaScript \u304c\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001<span class=\"fastest-text-marker\">CSS \u3084 JavaScript \u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3067 FCP \u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u6392\u9664\u3059\u308b\u300d\u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u7279\u5b9a\u3057\u3001\u305d\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<br>\u4e00\u65b9\u3067\u300cJavaScript \u3084 CSS \u3092\u6700\u9069\u5316\u3059\u308b\u300d\u306f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u52b9\u7387\u5316\u3057\u3001\u305d\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u77e5\u8b58\u304c\u306a\u304f\u3001\u8abf\u6574\u304c\u96e3\u3057\u3044\u5834\u5408\u306f\u5c02\u7528\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u3053\u3068\u3067\u7c21\u5358\u306b\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<br>\u307e\u305f\u3001 WordPress \u3092\u5229\u7528\u3057\u3066\u3044\u308b\u65b9\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067 CSS \u3084 JavaScript \u3092\u5727\u7e2e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001<span class=\"fastest-text-marker\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u6700\u9069\u5316\u3092\u3057\u305f\u7d50\u679c\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u3001\u5727\u7e2e\u3059\u308b\u5834\u5408\u306f\u4e0d\u5177\u5408\u304c\u751f\u3058\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u5fdc\u7b54\u6642\u9593\u304c\u9577\u3044\u3068\u3001\u753b\u9762\u306b\u8868\u793a\u3055\u305b\u308b\u307e\u3067\u306e\u6642\u9593\u3082\u9577\u304f\u306a\u308a\u307e\u3059\u3002<br><span class=\"fastest-text-marker\">\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3067\u3001LCP \u3092\u542b\u3080\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u306b\u95a2\u9023\u3059\u308b\u6307\u6a19\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><br>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u3092\u884c\u3046\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30b5\u30fc\u30d0\u30fc\u306e\u6700\u9069\u5316<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"fastest-text-marker\">\u5fdc\u7b54\u901f\u5ea6\u304c\u901f\u3044\u30b5\u30fc\u30d0\u30fc\u306b\u4e57\u308a\u63db\u3048\u308b\u3001\u3042\u308b\u3044\u306f\u30b5\u30fc\u30d0\u30fc\u306b\u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3044\u308b\u30bf\u30b9\u30af\uff08\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u51e6\u7406\u3084\u975e\u52b9\u7387\u306a\u30b3\u30fc\u30c9\u306e\u5b9f\u884c\u306a\u3069\uff09\u3092\u52b9\u7387\u5316\u3055\u305b\u308b\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u306f\u3001\u4f7f\u7528\u983b\u5ea6\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u3084\u76f4\u8fd1\u306b\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092\u4e00\u6642\u7684\u306b\u4fdd\u5b58\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002<br>\u4e00\u5ea6\u4fdd\u5b58\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u3001\u6539\u3081\u3066\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<br>\u305d\u306e\u305f\u3081\u3001<span class=\"fastest-text-marker\">\u4fdd\u5b58\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u5730\u7406\u7684\u306b\u8fd1\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u30c7\u30ea\u30d0\u30ea\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08CDN\uff09\u3092\u6d3b\u7528\u3059\u308b<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">CDN \u3068\u306f\u3001\u69d8\u3005\u306a\u5834\u6240\u306b\u5206\u6563\u3057\u3066\u8a2d\u7f6e\u3055\u308c\u305f\u30b5\u30fc\u30d0\u30fc\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u3059\u3002<br>\u30b5\u30fc\u30d0\u30fc\u3068\u30e6\u30fc\u30b6\u30fc\u304c\u5730\u7406\u7684\u306b\u9060\u3044\u3068\u3001\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002<br><span class=\"fastest-text-marker\">\u30e6\u30fc\u30b6\u30fc\u306b\u8fd1\u3044 CDN \u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u306f PageSpeed Insights \u306e TTFB \u3068\u3044\u3046\u6307\u6a19\u3067\u78ba\u8a8d\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"fastest-text-marker\">TTFB \u3068\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u30c7\u30fc\u30bf\u306e\u6700\u521d\u306e1\u30d0\u30a4\u30c8\u3092\u53d7\u3051\u53d6\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3067\u3059\u3002<\/span><br>\u30b9\u30b3\u30a2\u306f\u79d2\u6570\u3067\u8868\u793a\u3055\u308c\u30010.8\u79d2\u4ee5\u4e0b\u3067\u3042\u308c\u3070\u826f\u597d\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8907\u6570\u30da\u30fc\u30b8\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3092\u907f\u3051\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30da\u30fc\u30b8\u306e\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3068\u306f\u3001Web \u30b5\u30a4\u30c8\u5168\u4f53\u3084\u30da\u30fc\u30b8\u3092\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u3057\u305f\u969b\u306b\u65e7 URL \u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u3092\u81ea\u52d5\u7684\u306b\u65b0 URL \u3078\u8ee2\u9001\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<br>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u305b\u308b\u3053\u3068\u3067\u3001<span class=\"fastest-text-marker\">\u65e7 URL \u3092\u77e5\u3063\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u65b0 URL \u306b\u8a98\u5c0e\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3060\u3051\u3067\u306a\u304f\u3001SEO \u306e\u8a55\u4fa1\u3092\u5f15\u304d\u7d99\u3050\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3063\u305f\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/span><br>\u4e00\u65b9\u3067\u3001<span class=\"fastest-text-marker\">\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u30ea\u30bd\u30fc\u30b9\u306e\u53d6\u5f97\u306e\u624b\u9593\u304c\u5897\u3048\u308b\u305f\u3081\u3001FCP \u306e\u30b9\u30b3\u30a2\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u904e\u5927\u306aDOM\u30b5\u30a4\u30ba\u3092\u56de\u907f\u3059\u308b<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"611\" height=\"280\" src=\"https:\/\/storage.fastest.jp\/2023\/07\/DOM-avoid.png\" alt=\"\u904e\u5927\u306aDOM\u30b5\u30a4\u30ba\u306e\u8b66\u544a\" class=\"wp-image-526\" srcset=\"https:\/\/storage.fastest.jp\/2023\/07\/DOM-avoid.png 611w, https:\/\/storage.fastest.jp\/2023\/07\/DOM-avoid-300x137.png 300w\" sizes=\"auto, (max-width: 611px) 100vw, 611px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u753b\u50cf\u5f15\u7528\u5143\uff1a<a href=\"https:\/\/developer.chrome.com\/docs\/lighthouse\/performance\/dom-size\/#how-the-lighthouse-dom-size-audit-fails\" target=\"_blank\" rel=\"noreferrer noopener\">Avoid an excessive DOM size -Web.dev<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DOM \u3068\u306f\u3001HTML \u306e\u968e\u5c64\u306e\u6df1\u3055\u3084\u8981\u7d20\u306e\u6570\u3092\u6307\u3057\u307e\u3059\u3002<br>Google \u306f DOM \u30b5\u30a4\u30ba\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u306e\u72b6\u614b\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30fb\u30da\u30fc\u30b8\u306b\u542b\u307e\u308c\u308b DOM \u8981\u7d20\u306e\u6570\u306f1,500\u307e\u3067<br>\u30fb\u30c4\u30ea\u30fc\u306e\u6df1\u3055\u306f32\u8981\u7d20\u307e\u3067<br>\u30fb1\u3064\u306e\u89aa\u8981\u7d20\u306b\u5bfe\u3057\u3066\u5b50\u8981\u7d20\u306f60\u500b\u307e\u3067<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u306e\u753b\u9762\u3092\u4f7f\u3063\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"555\" height=\"337\" src=\"https:\/\/storage.fastest.jp\/2023\/07\/deberoppa-tu-ru.png\" alt=\"\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u306e\u753b\u9762\" class=\"wp-image-521\" srcset=\"https:\/\/storage.fastest.jp\/2023\/07\/deberoppa-tu-ru.png 555w, https:\/\/storage.fastest.jp\/2023\/07\/deberoppa-tu-ru-300x182.png 300w\" sizes=\"auto, (max-width: 555px) 100vw, 555px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"fastest-text-marker\">\u300c\u30da\u30fc\u30b8\u306b\u542b\u307e\u308c\u308b DOM \u8981\u7d20\u306e\u6570\u306f1,500\u307e\u3067\u300d\u3068\u306f\u3001&lt;html&gt;\u3084&lt;head&gt;\u306e\u3088\u3046\u306a\u30bf\u30b0\u306e\u6570\u304c1,500\u307e\u3067\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br>&lt;head&gt;\u30fb\u30fb\u30fb&lt;\/head&gt;\u306e\u3088\u3046\u306b\u958b\u59cb\u30bf\u30b0\u304b\u3089\u7d42\u4e86\u30bf\u30b0\u307e\u3067\u30671\u8981\u7d20\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u30c4\u30ea\u30fc\u306e\u6df1\u3055\u306f32\u8981\u7d20\u307e\u3067\u300d\u3068\u306f\u3001\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u306e\u25b6\u3092\u958b\u304f\u56de\u6570\u304c\u6700\u5927\u306732\u968e\u307e\u3067\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"590\" height=\"316\" src=\"https:\/\/storage.fastest.jp\/2023\/07\/a163ba3c03e8070351ca085d1bd3c97f-1.png\" alt=\"DOM\u8981\u7d20\u306e\u30c4\u30ea\u30fc\u306e\u968e\u5c64\" class=\"wp-image-527\" srcset=\"https:\/\/storage.fastest.jp\/2023\/07\/a163ba3c03e8070351ca085d1bd3c97f-1.png 590w, https:\/\/storage.fastest.jp\/2023\/07\/a163ba3c03e8070351ca085d1bd3c97f-1-300x161.png 300w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u50cf\u306e\u4f8b\u3067\u306f\u3001&lt;body&gt;\u306e\u4e0b\u306e\u8981\u7d20\u304c1\u3064\u53f3\u306b\u30ba\u30ec\u3066\u3001&lt;iframe&gt;\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br><span class=\"fastest-text-marker\">\u5217\u304c\u53f3\u306b\u30ba\u30ec\u308b\u307b\u3069\u968e\u5c64\u306f\u6df1\u304f\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c1\u3064\u306e\u89aa\u8981\u7d20\u306b\u5bfe\u3057\u3066\u5b50\u8981\u7d20\u306f60\u500b\u307e\u3067\u300d\u3068\u306f\u30011\u3064\u306e\u8981\u7d20\u306b\u5bfe\u3057\u3066\u305d\u306e1\u3064\u4e0b\u306e\u968e\u5c64\u306e\u8981\u7d20\u306e\u6570\u306f60\u500b\u307e\u3067\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br>\u753b\u50cf\u306e\u4f8b\u3067\u306f\u3001&lt;html&gt;\u306e\u5b50\u8981\u7d20\u306f&lt;head&gt;\u3068&lt;body&gt;\u306e2\u3064\u3067\u3001&lt;body&gt;\u306e\u5b50\u8981\u7d20\u306f&lt;iframe&gt;&lt;ntp-app&gt;&lt;script&gt;&lt;link&gt;&lt;link&gt;&lt;link&gt;&lt;script&gt;\u306e7\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3068\u8ee2\u9001\u30c7\u30fc\u30bf\u91cf\u3092\u6e1b\u3089\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"fastest-text-marker\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u304c Web \u30b5\u30a4\u30c8\u3092\u8868\u793a\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u60c5\u5831\u3092\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u9001\u4fe1\u3092\u8981\u6c42\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/wx4Q_ALCmpe2imeWIwwEsOi3YZB1_6eyy3t03cYoC525YXiXZiR8oH6tcM-6Il8xo-FCRy74cy4nbTi_XhJqD2PraYeNS1VkCat0MMITIAcYrIyPSUEejnw0kcRLJqJszrClOcKOzxEkWmUyc0TCWbOuaUUEcgD4hQlG2WEiLAXNb6wYmaZB5JvPO7sg6w\" alt=\"\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6982\u5ff5\u56f3\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span class=\"fastest-text-marker\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u6570\u3084\u8ee2\u9001\u30c7\u30fc\u30bf\u306e\u91cf\u304c\u591a\u3044\u3068 FCP \u3082\u9577\u304f\u306a\u308a\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001\u753b\u50cf\u3084 HTML \u306e\u30d5\u30a1\u30a4\u30eb\u3092\u8efd\u91cf\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306b\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306f HTML \u306e\u30d5\u30a1\u30a4\u30eb\u3088\u308a\u3082\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3044\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001\u753b\u50cf\u306e\u8efd\u91cf\u5316\u306f FCP \u306e\u6539\u5584\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u50cf\u306e\u8efd\u91cf\u5316\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u4ee5\u4e0b\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<br>\u3010\u53c2\u8003\u3011<a rel=\"noreferrer noopener\" href=\"https:\/\/fastest.jp\/blog\/image-compression\/\" target=\"_blank\">\u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u753b\u50cf\u8efd\u91cf\u5316<\/a><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u8a18\u4e8b\u3067\u306f\u3001PageSpeed Insights \u306e\u6307\u6a19\u306e\u3072\u3068\u3064\u3067\u3042\u308b FCP\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">FCP \u306f\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u306b\u5927\u304d\u304f\u95a2\u308f\u308b\u6307\u6a19\u3067\u3059\u3002<br>FCP \u304c\u9577\u3044\u3068\u30e6\u30fc\u30b6\u30fc\u306f\u3001Web \u30b5\u30a4\u30c8\u5185\u306e\u60c5\u5831\u3092\u898b\u308b\u524d\u306b\u96e2\u8131\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308a\u3001\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u306e\u4f4e\u4e0b\u3084 SEO \u306e\u8a55\u4fa1\u306e\u4f4e\u4e0b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001FCP \u306e\u6539\u5584\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">FCP \u306e\u6539\u5584\u65b9\u6cd5\u306f\u591a\u304f\u3042\u308b\u305f\u3081\u3001\u307e\u305a\u306f PageSpeed Insights \u3092\u5229\u7528\u3057\u3066 Web \u30b5\u30a4\u30c8\u3092\u8a3a\u65ad\u3057\u3001\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u3066\u6539\u5584\u3059\u308b\u3053\u3068\u3092\u3054\u691c\u8a0e\u304f\u3060\u3055\u3044\u3002<br>FCP \u306e\u6539\u5584\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u4ed6\u306e PageSpeed Insights \u306e\u6307\u6a19\u306e\u6539\u5584\u306b\u3082\u306a\u308b\u306e\u3067\u3001\u7a4d\u6975\u7684\u306b\u53d6\u308a\u7d44\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u304a\u3001\u5f53\u793e\u3067\u306f\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u30921\u30af\u30ea\u30c3\u30af\u3067\u884c\u3048\u308b\u30e9\u30f3\u30c7\u30a3\u30f3\u30b0\u30da\u30fc\u30b8\u9ad8\u901f\u5316\u30c4\u30fc\u30eb FasTest\uff08\u30d5\u30a1\u30fc\u30b9\u30c6\u30b9\u30c8\uff09 \u3092\u958b\u767a\u30fb\u8ca9\u58f2\u3057\u3066\u3044\u307e\u3059\u3002<br>\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3082\u5b9f\u65bd\u3057\u3066\u304a\u308a\u307e\u3059\u306e\u3067\u3001\u3054\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u305c\u3072\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"fastest-button\">\n  <a\n    class=\"cta-button cta-button--primary-color cta-button--m-size\"\n    href=\"https:\/\/fastest.jp\/trial\/\"\n    target=\"_blank\"\n  >\n    \u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u306f\u3053\u3061\u3089  <\/a>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>First Contentful Paint\uff08\u4ee5\u4e0b\u3001FCP\uff09\u306f\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u304c\u958b\u59cb\u3055\u308c\u3066\u304b\u3089\u3001\u30da\u30fc\u30b8\u5185\u306e\u3044\u305a\u308c\u304b\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u521d\u3081\u3066\u63cf\u753b\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002 \u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u3093\u3060\u3068\u304d\u306b\u767d\u3044\u753b\u9762\u306e\u307e\u307e\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044\u3068&hellip; <a class=\"more-link\" href=\"https:\/\/fastest.jp\/blog\/first-contentful-paint\/\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">First Contentful Paint\uff08FCP\uff09\u3068\u306f\uff1f\u6982\u8981\u3068\u6539\u5584\u65b9\u6cd5\u3092\u89e3\u8aac<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":530,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-518","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-page-speed","entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts\/518","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/comments?post=518"}],"version-history":[{"count":4,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts\/518\/revisions"}],"predecessor-version":[{"id":535,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts\/518\/revisions\/535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/media\/530"}],"wp:attachment":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/media?parent=518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/categories?post=518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/tags?post=518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}