{"id":481,"date":"2023-05-31T17:05:44","date_gmt":"2023-05-31T08:05:44","guid":{"rendered":"https:\/\/fastest.jp\/blog\/?p=481"},"modified":"2023-05-31T17:05:50","modified_gmt":"2023-05-31T08:05:50","slug":"largest-contentful-paint","status":"publish","type":"post","link":"https:\/\/fastest.jp\/blog\/largest-contentful-paint\/","title":{"rendered":"Core Web Vitals \u306e\u6307\u6a19 LCP \u3068\u306f\uff1f\u6982\u8981\u304b\u3089\u6539\u5584\u65b9\u6cd5\u307e\u3067\u89e3\u8aac"},"content":{"rendered":"\n<p>Largest Contentful Paint\uff08\u4ee5\u4e0b\u3001LCP\uff09\u306f\u3001Core Web Vitals \u306e\u6307\u6a19\u306e\u3072\u3068\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u5185\u306b\u8868\u793a\u3055\u308c\u308b\u6700\u3082\u5927\u304d\u3044\u753b\u50cf\u307e\u305f\u306f\u30c6\u30ad\u30b9\u30c8\u30d6\u30ed\u30c3\u30af\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u3001\u30da\u30fc\u30b8\u306e\u521d\u671f\u8aad\u307f\u8fbc\u307f\u958b\u59cb\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u6bd4\u8f03\u3057\u3066\u8a55\u4fa1\u3057\u305f\u6307\u6a19\u306e\u3053\u3068\u3067\u3001<span class=\"fastest-text-marker\">\u8aad\u307f\u8fbc\u307f\u6642\u9593\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6e2c\u308b\u5f79\u5272\u3092\u6301\u3061\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u5bb9\u91cf\u306e\u5927\u304d\u3044\u753b\u50cf\u3084\u30c6\u30ad\u30b9\u30c8\u306f\u3001\u91cd\u8981\u306a\u60c5\u5831\u3092\u542b\u3093\u3067\u3044\u308b\u5834\u5408\u304c\u591a\u3044\u3067\u3059\u3002<br>\u305d\u308c\u3089\u306e\u8981\u7d20\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u304c\u9577\u304f\u3001\u8868\u793a\u3055\u308c\u308b\u306e\u304c\u9045\u3044\u3068\u3001\u8a2a\u554f\u8005\u306f\u305d\u306e\u60c5\u5831\u3092\u95b2\u89a7\u3059\u308b\u524d\u306b Web \u30b5\u30a4\u30c8\u3092\u96e2\u8131\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<span class=\"fastest-text-marker\"><br>\u3069\u3093\u306a\u306b\u826f\u3044\u88fd\u54c1\u3084\u30b5\u30fc\u30d3\u30b9\u306b\u95a2\u3059\u308b\u8a34\u6c42\u3067\u3082\u898b\u3089\u308c\u306a\u3051\u308c\u3070\u610f\u5473\u304c\u306a\u304f\u3001\u6a5f\u4f1a\u640d\u5931\u3068\u306a\u308a\u3001\u58f2\u4e0a\u3084\u30b3\u30f3\u30d0\u30fc\u30b8\u30e7\u30f3\u7387\u4f4e\u4e0b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001\u30c7\u30b8\u30bf\u30eb\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0 \u306b\u304a\u3044\u3066 LCP \u306e\u6539\u5584\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001LCP \u306e\u6982\u8981\u3068\u78ba\u8a8d\u65b9\u6cd5\u3001\u6539\u5584\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">LCP \u3068\u306f<\/h2>\n\n\n\n<p>\u3053\u306e\u7ae0\u3067\u306f\u3001LCP \u306e\u6982\u8981\u3068 PageSpeed Insights \u3067\u306e\u78ba\u8a8d\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">LCP \u306e\u6982\u8981<\/h3>\n\n\n\n<p>LCP \u3068\u306f\u3001\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u5185\u306b\u8868\u793a\u3055\u308c\u308b\u6700\u3082\u5927\u304d\u3044\u753b\u50cf\u307e\u305f\u306f\u30c6\u30ad\u30b9\u30c8\u30d6\u30ed\u30c3\u30af\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u3001\u30da\u30fc\u30b8\u306e\u521d\u671f\u8aad\u307f\u8fbc\u307f\u958b\u59cb\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u6bd4\u8f03\u3057\u3066\u8a55\u4fa1\u3057\u305f\u6307\u6a19\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u3092\u7c21\u5358\u306b\u8aac\u660e\u3059\u308b\u3068\u3001\u5404\u30c7\u30d0\u30a4\u30b9\u306e\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u7bc4\u56f2\u306e\u3053\u3068\u3067\u3001\u8868\u793a\u9818\u57df\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002<br>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u4e0a\u306b\u8981\u7d20\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001<span class=\"fastest-text-marker\">LCP \u306f\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u306a\u304b\u3067\u3082\u3063\u3068\u3082\u5bb9\u91cf\u304c\u5927\u304d\u3044\u753b\u50cf\u3084\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u306e\u3053\u3068\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u4f8b\u3068\u3057\u3066 CNN \u306e\u30e1\u30c7\u30a3\u30a2\u30b5\u30a4\u30c8\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<br>\u7dd1\u67a0\u3067\u56f2\u307e\u308c\u3066\u3044\u308b\u8981\u7d20\u304c\u3001\u8aad\u307f\u8fbc\u307f\u6642\u70b9\u3067\u3082\u3063\u3068\u3082\u5bb9\u91cf\u304c\u5927\u304d\u3044\u8981\u7d20\u3067\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\/05\/LPC.png\" alt=\"Largest Contentful Paint\u306e\u4f8b\" class=\"wp-image-484\" srcset=\"https:\/\/storage.fastest.jp\/2023\/05\/LPC.png 602w, https:\/\/storage.fastest.jp\/2023\/05\/LPC-300x116.png 300w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">\u753b\u50cf\u5f15\u7528\u5143\uff1a<a href=\"https:\/\/web.dev\/lcp\/\" data-type=\"URL\" data-id=\"https:\/\/web.dev\/lcp\/\" target=\"_blank\" rel=\"noreferrer noopener\">Largest Contentful Paint (LCP) &#8211; Web.dev<\/a>\u3000<\/p>\n\n\n\n<p>HTML \u3084 CSS \u3001JavaScript \u306a\u3069\u306f\u4e0a\u304b\u3089\u9806\u306b\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u304d\u307e\u3059\u306e\u3067\u3001\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306f\u3069\u306e\u8981\u7d20\u304c LCP \u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u306a\u308b\u304b\u306f\u3001\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u5185\u306e\u8981\u7d20\u304c\u8aad\u307f\u8fbc\u307f\u7d42\u308f\u308b\u307e\u3067\u5206\u304b\u308a\u307e\u305b\u3093\u3002<br><span class=\"fastest-text-marker\">\u4e0a\u8a18\u306e CNN \u306e\u4f8b\u3067\u306f\u3001\u30e1\u30a4\u30f3\u30d3\u30b8\u30e5\u30a2\u30eb\u306e\u5199\u771f\u304c\u3082\u3063\u3068\u3082\u5bb9\u91cf\u304c\u5927\u304d\u304f\u3001\u3053\u306e\u8981\u7d20\u306e\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3057\u305f\u6642\u9593\u3092\u8a55\u4fa1\u3057\u3066 LCP \u3092\u7b97\u51fa\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">LCP \u306e\u91cd\u8981\u6027<\/h3>\n\n\n\n<p><span class=\"fastest-text-marker\">LCP \u306f\u3001Google \u304c\u5b9a\u3081\u308b Web \u4e0a\u3067\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\uff08UX\uff09\u306e\u8cea\u3092\u8a55\u4fa1\u3059\u308b\u6307\u6a19\u3067\u3042\u308b Core Web Vitals \u306e\u3072\u3068\u3064\u3067\u3059\u3002<\/span><br>LCP \u306e\u8a55\u4fa1\u306f\u3001\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u4e0a\u3067\u306e\u4f53\u9a13\u3060\u3051\u3067\u306a\u304f\u3001SEO \u65bd\u7b56\u306b\u3082\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Core Web Vitals \u3068\u306f<\/h4>\n\n\n\n<p>Core Web Vitals \u306f Web \u30b5\u30a4\u30c8\u304c\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u3069\u308c\u3060\u3051\u4f7f\u3044\u3084\u3059\u3044\u304b\u3092\u8a55\u4fa1\u3059\u308b\u6307\u6a19\u3067\u3059\u3002<br>Google \u306f\u691c\u7d22\u9806\u4f4d\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b Core Web Vitals \u306e\u6307\u6a19\u3092\u53d6\u308a\u5165\u308c\u3066\u3044\u307e\u3059\u3002<br>\u305d\u306e\u305f\u3081\u3001<span class=\"fastest-text-marker\">Core Web Vitals \u306e\u6307\u6a19\u306f SEO \u65bd\u7b56\u306b\u91cd\u8981\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p>Core Web Vitals \u306b\u306f\u3001LCP \u4ee5\u5916\u306b\u30822\u3064\u306e\u6307\u6a19\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">First Input Delay\uff08FID\uff09<\/h4>\n\n\n\n<p><span class=\"fastest-text-marker\">FID \u306f\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30da\u30fc\u30b8\u4e0a\u3067\u521d\u3081\u3066\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u884c\u3063\u305f\u3068\u304d\u306b\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u5fdc\u7b54\u3059\u308b\u307e\u3067\u306b\u304b\u304b\u308b\u6642\u9593\u3067\u3059\u3002<\/span><br>FID \u306e\u30b9\u30b3\u30a2\u306f\u30df\u30ea\u79d2\u3067\u8868\u793a\u3055\u308c\u3001FID \u304c100\u30df\u30ea\u79d2\u4ee5\u4e0b\u3067\u3042\u308c\u3070\u3001\u826f\u597d\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Cumulative Layout Shift\uff08CLS\uff09<\/h4>\n\n\n\n<p><span class=\"fastest-text-marker\">CLS \u306f\u3001\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u306b\u5fdc\u3058\u3066\u767a\u751f\u3059\u308b\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ba\u30ec\u3067\u3059\u3002<\/span><br>CLS \u306e\u30b9\u30b3\u30a2\u306f\u300c\u5f71\u97ff\u3092\u53d7\u3051\u305f\u9762\u7a4d\u306e\u5272\u5408\u00d7\u79fb\u52d5\u3057\u305f\u8ddd\u96e2\u306e\u5272\u5408\u300d\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u753b\u9762\u306e\u4e0b\u534a\u5206\u304c\u30ba\u30ec\u305f\u5834\u5408\u3001\u5f71\u97ff\u3092\u53d7\u3051\u305f\u9762\u7a4d\u306e\u5272\u5408\u306f50%\u3067\u3001\u672c\u6765\u306e\u4f4d\u7f6e\u304b\u308910%\u30ba\u30ec\u305f\u5834\u5408\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7d50\u679c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5f71\u97ff\u3092\u53d7\u3051\u305f\u9762\u7a4d\u306e\u5272\u5408 50% \u00d7 \u79fb\u52d5\u3057\u305f\u8ddd\u96e2\u306e\u5272\u5408 10% = CLS 5% = 0.05<\/p>\n\n\n\n<p>CLS \u304c0.1\u4ee5\u4e0b\u3067\u3042\u308c\u3070\u3001\u826f\u597d\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PageSpeed Insights \u3067 LCP \u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>LCP \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<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"976\" height=\"775\" src=\"https:\/\/storage.fastest.jp\/2023\/05\/LCP.png\" alt=\"Largest Contentful Paint \u306e\u30b9\u30b3\u30a2\" class=\"wp-image-485\" srcset=\"https:\/\/storage.fastest.jp\/2023\/05\/LCP.png 976w, https:\/\/storage.fastest.jp\/2023\/05\/LCP-300x238.png 300w, https:\/\/storage.fastest.jp\/2023\/05\/LCP-768x610.png 768w\" sizes=\"auto, (max-width: 976px) 100vw, 976px\" \/><\/figure>\n\n\n\n<p>LCP \u306e\u30b9\u30b3\u30a2\u306f\u79d2\u6570\u3067\u8868\u793a\u3055\u308c\u30012.5\u79d2\u4ee5\u4e0b\u3067\u3042\u308c\u3070\u826f\u597d\u30014.0\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=\"255\" height=\"219\" src=\"https:\/\/storage.fastest.jp\/2023\/05\/LCP3.png\" alt=\"Largest Contentful Paint \u306e\u30b9\u30b3\u30a2\u306e\u8a55\u4fa1\" class=\"wp-image-487\"\/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">LCP \u3092\u6539\u5584\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p>LCP \u306e\u6539\u5584\u65b9\u6cd5\u306f PageSpeed Insights \u306e\u6539\u5584\u3067\u304d\u308b\u9805\u76ee\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"967\" height=\"609\" src=\"https:\/\/storage.fastest.jp\/2023\/05\/LCP2.png\" alt=\"Largest Contentful Paint \u306e\u6539\u5584\u65b9\u6cd5\" class=\"wp-image-486\" srcset=\"https:\/\/storage.fastest.jp\/2023\/05\/LCP2.png 967w, https:\/\/storage.fastest.jp\/2023\/05\/LCP2-300x189.png 300w, https:\/\/storage.fastest.jp\/2023\/05\/LCP2-768x484.png 768w\" sizes=\"auto, (max-width: 967px) 100vw, 967px\" \/><\/figure>\n\n\n\n<p>\u672b\u5c3e\u306b LCP \u3068\u66f8\u3044\u3066\u3042\u308b\u3082\u306e\u304c\u8a72\u5f53\u3059\u308b\u9805\u76ee\u3067\u3059\u3002<br>\u3053\u3053\u3067\u306f\u3001\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044 JavaScript \u3092\u524a\u6e1b\u3059\u308b\u6539\u5584\u65b9\u6cd5\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>LCP \u306e\u6539\u5584\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306f\u69d8\u3005\u3042\u308a\u307e\u3059\u304c\u3001\u4ee3\u8868\u7684\u306a\u3082\u306e\u306f\u4ee5\u4e0b\u306e4\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30fb\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u306e\u6539\u5584<br>\u30fbCSS \u3084 JavaScript \u3092\u6700\u9069\u5316\u3059\u308b<br>\u30fb\u30ea\u30bd\u30fc\u30b9\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306e\u6539\u5584<br>\u30fb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u3067\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u6539\u5584<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u306e\u6539\u5584<\/h3>\n\n\n\n<p>\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><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>\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>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>\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<h4 class=\"wp-block-heading\">\u3010\u88dc\u8db3\u3011Time to First Byte\uff08TTFB\uff09\u3068\u306f<\/h4>\n\n\n\n<p><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\">CSS \u3084 JavaScript \u3092\u6700\u9069\u5316\u3059\u308b<\/h3>\n\n\n\n<p>\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 LCP \u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306e\u77e5\u8b58\u304c\u306a\u304f\u3001\u6700\u9069\u5316\u304c\u96e3\u3057\u3044\u5834\u5408\u306f\u6700\u9069\u5316\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\u3082 JavaScript \u3092\u5727\u7e2e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002&nbsp;<\/p>\n\n\n\n<p>\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\">\u30ea\u30bd\u30fc\u30b9\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u306e\u6539\u5584<\/h3>\n\n\n\n<p><span class=\"fastest-text-marker\">\u753b\u50cf\u3084\u52d5\u753b\u306f\u30c6\u30ad\u30b9\u30c8\u3068\u6bd4\u3079\u3066\u30d5\u30a1\u30a4\u30eb\u5bb9\u91cf\u304c\u5927\u304d\u3044\u50be\u5411\u306b\u3042\u308b\u305f\u3081\u3001\u753b\u50cf\u3084\u52d5\u753b\u306e\u8efd\u91cf\u5316\u306f LCP \u306e\u6539\u5584\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/span><br>\u307e\u305f\u3001<span class=\"fastest-text-marker\">\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54\u6642\u9593\u306e\u6539\u5584\u3084\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u6539\u5584\u3068\u3044\u3063\u305f\u4ed6\u306e\u6539\u5584\u65bd\u7b56\u306b\u3082\u6709\u52b9\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001\u753b\u50cf\u306e\u8efd\u91cf\u5316\u306b\u3064\u3044\u3066\u7c21\u5358\u306b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u753b\u50cf\u306e\u8efd\u91cf\u5316\u306e\u4ee3\u8868\u7684\u306a\u624b\u6cd5\u306f\u4ee5\u4e0b\u306e2\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30fb\u753b\u50cf\u306e\u5727\u7e2e<br>\u30fb\u6b21\u4e16\u4ee3\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306e\u914d\u4fe1<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u753b\u50cf\u306e\u5727\u7e2e<\/h4>\n\n\n\n<p><span class=\"fastest-text-marker\">\u753b\u50cf\u306e\u5727\u7e2e\u3068\u306f\u3001\u753b\u50cf\u306e\u4e0d\u8981\u306a\u90e8\u5206\u3092\u53d6\u308a\u9664\u304f\u3053\u3068\u3067\u753b\u50cf\u306e\u30d5\u30a1\u30a4\u30eb\u5bb9\u91cf\u3092\u7e2e\u5c0f\u3059\u308b\u624b\u6cd5\u3067\u3059\u3002<br>\u5727\u7e2e\u65b9\u6cd5\u3084\u5727\u7e2e\u7387\u306b\u3088\u3063\u3066\u306f\u3001\u753b\u8cea\u304c\u4f4e\u4e0b\u3059\u308b\u3053\u3068\u3082\u3042\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6b21\u4e16\u4ee3\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306e\u914d\u4fe1<\/h4>\n\n\n\n<p>\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3042\u308b WebP\uff08\u30a6\u30a7\u30c3\u30d4\u30fc\uff09 \u3084 AVIF\uff08\u30a8\u30fc\u30d6\u30a4\u30a2\u30a4\u30a8\u30d5\uff09\u306b\u5909\u63db\u3057\u307e\u3059\u3002<br><span class=\"fastest-text-marker\">WebP \u3084 AVIF \u306f\u3001\u5f93\u6765\u306e\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3042\u308b JPEG \u3084 PNG \u3068\u6bd4\u3079\u3066\u9ad8\u753b\u8cea\u3092\u4fdd\u3061\u3064\u3064\u753b\u50cf\u306e\u8efd\u91cf\u5316\u304c\u53ef\u80fd\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<p>\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\u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u753b\u50cf\u8efd\u91cf\u5316<br><a href=\"https:\/\/fastest.jp\/blog\/image-compression\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/fastest.jp\/blog\/image-compression\/<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30b5\u30a4\u30c9\u3067\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u6539\u5584<\/h3>\n\n\n\n<p>\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>\u591a\u304f\u306e\u30b5\u30a4\u30c8\u3067\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u3067 Web \u30da\u30fc\u30b8\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u304c\u3001JavaScript \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u5229\u7528\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u51e6\u7406\u3059\u308b\u30b5\u30a4\u30c8\u306e\u69cb\u7bc9\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p><span class=\"fastest-text-marker\">\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u30b5\u30a4\u30c8\u306e\u5834\u5408\u3001JavaScript \u306e\u5b9f\u884c\u306b\u6642\u9593\u304c\u304b\u304b\u308a LCP \u304c\u9577\u304f\u306a\u308a\u307e\u3059\u3002<br>\u305d\u306e\u3088\u3046\u306a\u30b5\u30a4\u30c8\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u306f\u3001JavaScript \u306e\u6700\u9069\u5316\u3084\u4e8b\u524d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u5229\u7528\u3057\u3066 LCP \u3092\u6539\u5584\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Core Web Vitals \u306e\u3072\u3068\u3064\u3067\u3042\u308b LCP \u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>LCP \u306f\u753b\u9762\u5185\u3067\u5bb9\u91cf\u304c\u5927\u304d\u3044\u753b\u50cf\u3084\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u8a08\u6e2c\u3059\u308b\u6307\u6a19\u3067\u3001\u591a\u304f\u306e\u5834\u5408\u30e1\u30a4\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u8a55\u4fa1\u3057\u3066\u3044\u307e\u3059\u3002<br>LCP \u304c\u6539\u5584\u3059\u308c\u3070\u30e1\u30a4\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\u3092Web\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u306b\u5bfe\u3057\u3066\u3044\u3061\u65e9\u304f\u898b\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u8a34\u6c42\u3092\u78ba\u5b9f\u306b\u4f1d\u3048\u3089\u308c\u308b\u3068\u3068\u3082\u306b\u3001\u305d\u306e\u30da\u30fc\u30b8\u304c\u4fbf\u5229\u3067\u3042\u308b\u3088\u3046\u306a\u5370\u8c61\u3092\u4e0e\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u3053\u306e\u6307\u6a19\u306f Core Web Vitals \u306e\u3072\u3068\u3064\u3068\u3057\u3066\u3001\u691c\u7d22\u7d50\u679c\u306e\u9806\u4f4d\u306b\u3082\u5f71\u97ff\u3057\u307e\u3059\u3002<br>LCP \u306f\u6570\u3042\u308b PageSpeed Insights \u306e\u6307\u6a19\u306e\u4e2d\u3067\u3082\u975e\u5e38\u306b\u91cd\u8981\u5ea6\u304c\u9ad8\u3044\u305f\u3081\u3001\u512a\u5148\u7684\u306b\u6539\u5584\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\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>Largest Contentful Paint\uff08\u4ee5\u4e0b\u3001LCP\uff09\u306f\u3001Core Web Vitals \u306e\u6307\u6a19\u306e\u3072\u3068\u3064\u3067\u3059\u3002 \u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u5185\u306b\u8868\u793a\u3055\u308c\u308b\u6700\u3082\u5927\u304d\u3044\u753b\u50cf\u307e\u305f\u306f\u30c6\u30ad\u30b9\u30c8\u30d6\u30ed\u30c3\u30af\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u9593\u3092\u3001\u30da\u30fc\u30b8\u306e\u521d\u671f\u8aad&hellip; <a class=\"more-link\" href=\"https:\/\/fastest.jp\/blog\/largest-contentful-paint\/\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"screen-reader-text\">Core Web Vitals \u306e\u6307\u6a19 LCP \u3068\u306f\uff1f\u6982\u8981\u304b\u3089\u6539\u5584\u65b9\u6cd5\u307e\u3067\u89e3\u8aac<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":493,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-481","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\/481","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=481"}],"version-history":[{"count":4,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts\/481\/revisions"}],"predecessor-version":[{"id":492,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/posts\/481\/revisions\/492"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/media\/493"}],"wp:attachment":[{"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/media?parent=481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/categories?post=481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fastest.jp\/blog\/wp-json\/wp\/v2\/tags?post=481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}