{"id":276,"date":"2026-01-22T11:34:50","date_gmt":"2026-01-22T02:34:50","guid":{"rendered":"https:\/\/www.kyoeiworks.co.jp\/media\/?p=276"},"modified":"2026-01-22T11:34:50","modified_gmt":"2026-01-22T02:34:50","slug":"core-web-vitals-optimization","status":"publish","type":"post","link":"https:\/\/www.kyoeiworks.co.jp\/media\/core-web-vitals-optimization\/","title":{"rendered":"Web\u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u6539\u5584\u8853\u301cCore Web Vitals\u3092\u6700\u9069\u5316\u3059\u308b\u5b9f\u8df5\u624b\u9806"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Web\u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3060\u3051\u3067\u306a\u304fSEO\u8a55\u4fa1\u306b\u3082\u76f4\u7d50\u3059\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002 <\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u300c\u691c\u7d22\u9806\u4f4d\u304c\u4f38\u3073\u60a9\u3093\u3067\u3044\u308b\u300d\u300c\u76f4\u5e30\u7387\u304c\u9ad8\u3044\u300d\u300c\u5e83\u544a\u306f\u898b\u3089\u308c\u3066\u3044\u308b\u306e\u306b\u6210\u679c\u306b\u3064\u306a\u304c\u3089\u306a\u3044\u300d\u3068\u3044\u3063\u305f\u8ab2\u984c\u306e\u80cc\u666f\u306b\u306f\u3001\u8868\u793a\u901f\u5ea6\u306e\u9045\u3055\u304c\u96a0\u308c\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u7279\u306bGoogle\u304c\u516c\u5f0f\u306b\u691c\u7d22\u9806\u4f4d\u8a55\u4fa1\u306e\u6307\u6a19\u3068\u3057\u3066\u3044\u308b Core Web Vitals\uff08\u30b3\u30a2\u30a6\u30a7\u30d6\u30d0\u30a4\u30bf\u30eb\uff09 \u306f\u3001\u4eca\u3084Web\u30b5\u30a4\u30c8\u904b\u7528\u306b\u304a\u3044\u3066\u7121\u8996\u3067\u304d\u306a\u3044\u5b58\u5728\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u672c\u8a18\u4e8b\u3067\u306f\u3001Core Web Vitals\u306e\u57fa\u790e\u77e5\u8b58\u304b\u3089\u3001\u73fe\u5834\u3067\u5b9f\u8df5\u3057\u3084\u3059\u3044\u5177\u4f53\u7684\u306a\u6539\u5584\u65b9\u6cd5\u307e\u3067\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.kyoeiworks.co.jp\/media\/core-web-vitals-optimization\/#Core_Web_Vitals%E3%81%A8%E3%81%AF%EF%BC%9FGoogle%E3%81%8C%E9%87%8D%E8%A6%96%E3%81%99%E3%82%8B3%E3%81%A4%E3%81%AE%E6%8C%87%E6%A8%99\" >Core Web Vitals\u3068\u306f\uff1fGoogle\u304c\u91cd\u8996\u3059\u308b3\u3064\u306e\u6307\u6a19<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.kyoeiworks.co.jp\/media\/core-web-vitals-optimization\/#%E8%A1%A8%E7%A4%BA%E9%80%9F%E5%BA%A6%E3%82%92%E6%B8%AC%E5%AE%9A%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95%E3%81%A8%E3%83%84%E3%83%BC%E3%83%AB%E7%B4%B9%E4%BB%8B\" >\u8868\u793a\u901f\u5ea6\u3092\u6e2c\u5b9a\u3059\u308b\u65b9\u6cd5\u3068\u30c4\u30fc\u30eb\u7d39\u4ecb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.kyoeiworks.co.jp\/media\/core-web-vitals-optimization\/#LCP%E3%83%BBINP%E3%83%BBCLS%E3%81%AE%E3%82%B9%E3%82%B3%E3%82%A2%E3%82%92%E6%94%B9%E5%96%84%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95\" >LCP\u30fbINP\u30fbCLS\u306e\u30b9\u30b3\u30a2\u3092\u6539\u5584\u3059\u308b\u65b9\u6cd5<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Core_Web_Vitals%E3%81%A8%E3%81%AF%EF%BC%9FGoogle%E3%81%8C%E9%87%8D%E8%A6%96%E3%81%99%E3%82%8B3%E3%81%A4%E3%81%AE%E6%8C%87%E6%A8%99\"><\/span>Core Web Vitals\u3068\u306f\uff1fGoogle\u304c\u91cd\u8996\u3059\u308b3\u3064\u306e\u6307\u6a19<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone wp-image-278 size-full\" src=\"https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img01-2.jpg\" alt=\"Core Web Vitals\" width=\"960\" height=\"540\" srcset=\"https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img01-2.jpg 960w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img01-2-300x169.jpg 300w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img01-2-768x432.jpg 768w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img01-2-304x171.jpg 304w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img01-2-282x159.jpg 282w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Core Web Vitals\u3068\u306f\u3001Web\u30da\u30fc\u30b8\u306e\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u8cea\u3092\u6570\u5024\u3067\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306eGoogle\u516c\u5f0f\u6307\u6a19\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u4e3b\u306b\u4ee5\u4e0b\u306e3\u3064\u306e\u6307\u6a19\u3067\u69cb\u6210\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u89b3\u70b9\u304b\u3089\u30b5\u30a4\u30c8\u306e\u4f7f\u3044\u3084\u3059\u3055\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/span><\/p>\n<h3>LCP\uff08Largest Contentful Paint\uff09<\/h3>\n<p><span style=\"font-weight: 400;\">LCP\u306f\u3001\u300c\u30da\u30fc\u30b8\u3092\u958b\u3044\u3066\u304b\u3089\u3001\u6700\u3082\u5927\u304d\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u306e\u6642\u9593\u300d\u3092\u793a\u3059\u6307\u6a19\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u591a\u304f\u306e\u5834\u5408\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u8868\u793a\u3055\u308c\u308b\u30e1\u30a4\u30f3\u30d3\u30b8\u30e5\u30a2\u30eb\u753b\u50cf\u3084\u3001\u30d2\u30fc\u30ed\u30fc\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u30c6\u30ad\u30b9\u30c8\u304c\u5bfe\u8c61\u3068\u306a\u308a\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u826f\u597d\uff1a2.5\u79d2\u4ee5\u5185<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u6539\u5584\u304c\u5fc5\u8981\uff1a2.5\u301c4.0\u79d2<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u4e0d\u826f\uff1a4.0\u79d2\u4ee5\u4e0a<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">LCP\u304c\u9045\u3044\u3068\u3001\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u524d\u306b\u96e2\u8131\u3055\u308c\u3084\u3059\u304f\u306a\u308a\u3001\u7b2c\u4e00\u5370\u8c61\u3092\u5927\u304d\u304f\u640d\u306a\u3044\u307e\u3059\u3002<\/span><\/p>\n<h3>INP\uff08Interaction to Next Paint\uff09<\/h3>\n<p><span style=\"font-weight: 400;\">INP\u306f\u3001\u300c\u30af\u30ea\u30c3\u30af\u30fb\u30bf\u30c3\u30d7\u30fb\u5165\u529b\u306a\u3069\u306e\u64cd\u4f5c\u306b\u5bfe\u3057\u3066\u3001\u753b\u9762\u304c\u53cd\u5fdc\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u300d\u3092\u6e2c\u5b9a\u3059\u308b\u6307\u6a19\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u5f93\u6765\u306eFID\u306b\u4ee3\u308f\u308b\u65b0\u6307\u6a19\u3067\u3001\u30da\u30fc\u30b8\u5168\u4f53\u3092\u901a\u3057\u305f\u64cd\u4f5c\u306e\u5feb\u9069\u3055\u3092\u3088\u308a\u6b63\u78ba\u306b\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u826f\u597d\uff1a200ms\u4ee5\u5185<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u6539\u5584\u304c\u5fc5\u8981\uff1a200\u301c500ms<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u4e0d\u826f\uff1a500ms\u4ee5\u4e0a<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u898b\u305f\u76ee\u306e\u8868\u793a\u304c\u901f\u304f\u3066\u3082\u3001\u30af\u30ea\u30c3\u30af\u6642\u306e\u53cd\u5fdc\u304c\u9045\u3044\u3068\u30e6\u30fc\u30b6\u30fc\u306f\u5f37\u3044\u30b9\u30c8\u30ec\u30b9\u3092\u611f\u3058\u307e\u3059\u3002 JavaScript\u51e6\u7406\u304c\u591a\u3044\u30b5\u30a4\u30c8\u3067\u306f\u3001INP\u304c\u60aa\u5316\u3057\u3084\u3059\u3044\u50be\u5411\u306b\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<h3>CLS\uff08Cumulative Layout Shift\uff09<\/h3>\n<p><span style=\"font-weight: 400;\">CLS\u306f\u3001\u300c\u30da\u30fc\u30b8\u8868\u793a\u4e2d\u306b\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u3069\u308c\u3060\u3051\u30ba\u30ec\u305f\u304b\u300d\u3092\u6570\u5024\u5316\u3057\u305f\u6307\u6a19\u3067\u3059\u3002<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u753b\u50cf\u3084\u5e83\u544a\u304c\u5f8c\u304b\u3089\u8aad\u307f\u8fbc\u307e\u308c\u308b\u3053\u3068\u3067\u3001\u30dc\u30bf\u30f3\u3084\u30c6\u30ad\u30b9\u30c8\u306e\u4f4d\u7f6e\u304c\u30ba\u30ec\u308b\u73fe\u8c61\u306f\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u4e0d\u5feb\u611f\u3092\u4e0e\u3048\u307e\u3059\u3002<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u826f\u597d\uff1a0.1\u4ee5\u4e0b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u6539\u5584\u304c\u5fc5\u8981\uff1a0.1\u301c0.25<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u4e0d\u826f\uff1a0.25\u4ee5\u4e0a<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">\u8996\u899a\u7684\u306a\u5b89\u5b9a\u6027\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u8cea\u3092\u5927\u304d\u304f\u5de6\u53f3\u3059\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E8%A1%A8%E7%A4%BA%E9%80%9F%E5%BA%A6%E3%82%92%E6%B8%AC%E5%AE%9A%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95%E3%81%A8%E3%83%84%E3%83%BC%E3%83%AB%E7%B4%B9%E4%BB%8B\"><\/span>\u8868\u793a\u901f\u5ea6\u3092\u6e2c\u5b9a\u3059\u308b\u65b9\u6cd5\u3068\u30c4\u30fc\u30eb\u7d39\u4ecb<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone wp-image-279 size-full\" src=\"https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img02-2.jpg\" alt=\"\u8868\u793a\u901f\u5ea6\u6e2c\u5b9a\u30c4\u30fc\u30eb\" width=\"960\" height=\"540\" srcset=\"https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img02-2.jpg 960w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img02-2-300x169.jpg 300w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img02-2-768x432.jpg 768w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img02-2-304x171.jpg 304w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img02-2-282x159.jpg 282w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u6539\u5584\u306b\u53d6\u308a\u7d44\u3080\u524d\u306b\u3001\u307e\u305a\u306f\u73fe\u72b6\u3092\u6b63\u3057\u304f\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002 <\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u4ee3\u8868\u7684\u306a\u6e2c\u5b9a\u30c4\u30fc\u30eb\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/span><\/p>\n<h3>PageSpeed Insights<\/h3>\n<p><span style=\"font-weight: 400;\">Google\u516c\u5f0f\u306e\u5206\u6790\u30c4\u30fc\u30eb\u3067\u3001URL\u3092\u5165\u529b\u3059\u308b\u3060\u3051\u3067Core Web Vitals\u306e\u8a55\u4fa1\u3068\u5177\u4f53\u7684\u306a\u6539\u5584\u63d0\u6848\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002 <\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u30e2\u30d0\u30a4\u30eb\u3068\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u4e21\u65b9\u3092\u5fc5\u305a\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<h3>Google Search Console<\/h3>\n<p><span style=\"font-weight: 400;\">Google Search Console\u306e\u300c\u30a6\u30a7\u30d6\u306b\u95a2\u3059\u308b\u4e3b\u306a\u6307\u6a19\u300d\u30ec\u30dd\u30fc\u30c8\u3067\u306f\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u3092\u3082\u3068\u306b\u3001\u554f\u984c\u306e\u3042\u308bURL\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u30b5\u30a4\u30c8\u5168\u4f53\u306e\u50be\u5411\u3092\u628a\u63e1\u3059\u308b\u306e\u306b\u9069\u3057\u3066\u3044\u308b\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/span><\/p>\n<h3>Lighthouse\u6a5f\u80fd<\/h3>\n<p><span style=\"font-weight: 400;\">Chrome DevTools\u306b\u5185\u8535\u3055\u308c\u3066\u3044\u308bLighthouse\u3067\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3067\u8a73\u7d30\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u5206\u6790\u304c\u53ef\u80fd\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u65bd\u7b56\u524d\u5f8c\u306e\u30b9\u30b3\u30a2\u6bd4\u8f03\u3084\u3001\u958b\u767a\u4e2d\u30da\u30fc\u30b8\u306e\u691c\u8a3c\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"LCP%E3%83%BBINP%E3%83%BBCLS%E3%81%AE%E3%82%B9%E3%82%B3%E3%82%A2%E3%82%92%E6%94%B9%E5%96%84%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95\"><\/span>LCP\u30fbINP\u30fbCLS\u306e\u30b9\u30b3\u30a2\u3092\u6539\u5584\u3059\u308b\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-280\" src=\"https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img03-2.jpg\" alt=\"LCP\u30fbINP\u30fbCLS\u306e\u30b9\u30b3\u30a2\" width=\"960\" height=\"540\" srcset=\"https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img03-2.jpg 960w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img03-2-300x169.jpg 300w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img03-2-768x432.jpg 768w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img03-2-304x171.jpg 304w, https:\/\/www.kyoeiworks.co.jp\/media\/wordpress\/wp-content\/uploads\/2026\/01\/img03-2-282x159.jpg 282w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">\u305d\u308c\u305e\u308c\u306e\u30b9\u30b3\u30a2\u3092\u6539\u5584\u3059\u308b\u5177\u4f53\u7684\u306a\u6539\u5584\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/span><\/p>\n<h3>LCP\u306e\u6539\u5584\u65b9\u6cd5<\/h3>\n<p><span style=\"font-weight: 400;\">LCP\u6539\u5584\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u300c\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u3067\u6700\u3082\u91cd\u8981\u306a\u8981\u7d20\u3092\u3001\u3067\u304d\u308b\u3060\u3051\u65e9\u304f\u8868\u793a\u3059\u308b\u3053\u3068\u300d\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u30e6\u30fc\u30b6\u30fc\u304c\u6700\u521d\u306b\u76ee\u306b\u3059\u308b\u90e8\u5206\u306e\u8868\u793a\u901f\u5ea6\u3092\u512a\u5148\u7684\u306b\u6700\u9069\u5316\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<h4>\uff1c\u5b9f\u8df5\u30dd\u30a4\u30f3\u30c8\uff1e<\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u8868\u793a\u3055\u308c\u308b\u753b\u50cf\u3084\u898b\u51fa\u3057\u3092\u6700\u512a\u5148\u3067\u8aad\u307f\u8fbc\u3080<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u753b\u50cf\u30b5\u30a4\u30ba\u3092\u9069\u5207\u306b\u8abf\u6574\u3057\u3001WebP\u306a\u3069\u306e\u8efd\u91cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u4f7f\u7528\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u753b\u50cf\u306b\u306f\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\uff08lazy-load\uff09\u3092\u4f7f\u7528\u3057\u306a\u3044<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">CSS\u3084JavaScript\u304c\u8868\u793a\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30b5\u30fc\u30d0\u30fc\u521d\u671f\u5fdc\u7b54\uff08TTFB\uff09\u304c\u9045\u3044\u5834\u5408\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3084CDN\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3059\u308b<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ul>\n<h3>INP\u306e\u6539\u5584\u65b9\u6cd5<\/h3>\n<p><span style=\"font-weight: 400;\">INP\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u6642\u306e\u300c\u5f85\u305f\u3055\u308c\u611f\u300d\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u30af\u30ea\u30c3\u30af\u3084\u30bf\u30c3\u30d7\u5f8c\u306b\u51e6\u7406\u304c\u96c6\u4e2d\u3057\u306a\u3044\u3088\u3046\u3001JavaScript\u306e\u8a2d\u8a08\u3092\u898b\u76f4\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<h4>\uff1c\u5b9f\u8df5\u30dd\u30a4\u30f3\u30c8\uff1e<\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30af\u30ea\u30c3\u30af\u6642\u306b\u5b9f\u884c\u3055\u308c\u308bJavaScript\u51e6\u7406\u3092\u6d17\u3044\u51fa\u3059<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044\u30e9\u30a4\u30d6\u30e9\u30ea\u3084\u4e0d\u8981\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u524a\u9664\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u521d\u671f\u8868\u793a\u6642\u306b\u91cd\u3044\u51e6\u7406\u3092\u307e\u3068\u3081\u3066\u5b9f\u884c\u3057\u306a\u3044<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">defer\u3084async\u5c5e\u6027\u3092\u4f7f\u3044\u3001\u51e6\u7406\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u5f8c\u308d\u306b\u305a\u3089\u3059<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9\u3084\u5916\u90e8\u30c4\u30fc\u30eb\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u5f8c\u306b\u8aad\u307f\u8fbc\u3080<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/li>\n<\/ul>\n<h3>CLS\u306e\u6539\u5584\u65b9\u6cd5<\/h3>\n<p><span style=\"font-weight: 400;\">CLS\u5bfe\u7b56\u3067\u306f\u3001\u300c\u8868\u793a\u524d\u304b\u3089\u30ec\u30a4\u30a2\u30a6\u30c8\u3092\u78ba\u5b9a\u3055\u305b\u3066\u304a\u304f\u300d\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">\u5f8c\u304b\u3089\u8981\u7d20\u304c\u5dee\u3057\u8fbc\u307e\u308c\u306a\u3044\u8a2d\u8a08\u3092\u610f\u8b58\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<h4>\uff1c\u5b9f\u8df5\u30dd\u30a4\u30f3\u30c8\uff1e<\/h4>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u753b\u50cf\u30fb\u52d5\u753b\u30fbiframe\u306b\u306f\u5fc5\u305a\u5e45\u3068\u9ad8\u3055\u3092\u6307\u5b9a\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u5e83\u544a\u3084\u30d0\u30ca\u30fc\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u8868\u793a\u30b9\u30da\u30fc\u30b9\u3092\u78ba\u4fdd\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u5f8c\u304b\u3089\u8aad\u307f\u8fbc\u307e\u308c\u308b\u8981\u7d20\u306f\u3001\u30da\u30fc\u30b8\u4e0b\u90e8\u3084\u56fa\u5b9a\u30a8\u30ea\u30a2\u306b\u914d\u7f6e\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Web\u30d5\u30a9\u30f3\u30c8\u306b\u3088\u308b\u30ba\u30ec\u3092\u9632\u3050\u305f\u3081\u3001font-display: swap\u3092\u8a2d\u5b9a\u3059\u308b<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u8868\u793a\u30fb\u975e\u8868\u793a\u304c\u5207\u308a\u66ff\u308f\u308bUI\u306f\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u5f71\u97ff\u3057\u306a\u3044\u8a2d\u8a08\u306b\u3059\u308b<\/span><span style=\"font-weight: 400;\"><br 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