{"id":11391,"date":"2021-05-31T06:30:39","date_gmt":"2021-05-30T21:30:39","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=11391"},"modified":"2021-06-14T05:45:14","modified_gmt":"2021-06-13T20:45:14","slug":"google-updates-definition-of-cumulative-layout-shift","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/google-updates-definition-of-cumulative-layout-shift\/","title":{"rendered":"Google\u3001CLS\u306e\u5b9a\u7fa9\u3092\u5909\u66f4\u3002\u30da\u30fc\u30b8\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u30b7\u30b0\u30ca\u30eb\u306f\u65b0CLS\u3067\u8a55\u4fa1\u3059\u308b"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n<p><a href=\"https:\/\/www.suzukikenichi.com\/blog\/google-introduces-web-vitals\/\">\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb<\/a>\u306e 3 \u8981\u7d20\u306e 1 \u3064\u3067\u3042\u308b <a href=\"https:\/\/web.dev\/evolving-cls\/\">CLS (Cumulative Layout Shift) \u306e\u5b9a\u7fa9\u304c\u5909\u308f\u308a<\/a>\u307e\u3059\u3002<\/p>\n<p class=\"p60-b\">2021 \u5e74 6 \u6708\u306b <a href=\"https:\/\/www.suzukikenichi.com\/blog\/google-page-experience-update-will-launch-in-mid-june-and-be-gradual-rollout\/\">\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb \u304c\u30da\u30fc\u30b8 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9 \u30b7\u30b0\u30ca\u30eb\u3068\u3057\u3066\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0<\/a>\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\u30da\u30fc\u30b8 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9 \u30b7\u30b0\u30ca\u30eb\u3067\u306f\u3001\u65b0\u3057\u3044\u5b9a\u7fa9\u3067\u53d6\u5f97\u3059\u308b CLS \u306e\u30b9\u30b3\u30a2\u304c\u8a55\u4fa1\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2>\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u3067 CLS \u304c\u6539\u5584<\/h2>\n<p>CLS \u306e\u5b9a\u7fa9\u304c\u3069\u3093\u306a\u3075\u3046\u306b\u5909\u66f4\u306b\u306a\u308b\u304b\u306f\u3053\u306e\u3042\u3068\u7c21\u6f54\u306b\u8aac\u660e\u3057\u307e\u3059\u304c\u3001\u307e\u305a\u91cd\u8981\u306a\u306e\u306f\u3001<strong><mark>\u5909\u66f4\u306b\u3088\u3063\u3066\u3059\u3079\u3066\u306e\u30b5\u30a4\u30c8\u3067 CLS \u306e\u30b9\u30b3\u30a2\u304c\u826f\u304f\u306a\u308b<\/mark><\/strong>\u70b9\u3067\u3059\u3002<\/p>\n<p>Google \u306b\u3088\u308c\u3070\u3001\u65b0\u3057\u3044\u8a08\u6e2c\u65b9\u6cd5\u306e CLS \u306e\u3082\u3068\u3067\u306f\u6b21\u306e\u3088\u3046\u306a\u5909\u5316\u304c\u898b\u3089\u308c\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30b9\u30b3\u30a2\u304c\u60aa\u304f\u306a\u308b\u30da\u30fc\u30b8\u306f\u30bc\u30ed<\/li>\n<li>55% \u306e\u30b5\u30a4\u30c8\u306f 75 \u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u3067\u30b9\u30b3\u30a2\u306b\u5909\u5316\u306a\u3057\n\t<\/li>\n<li>45% \u306e\u30b5\u30a4\u30c8\u306f 75 \u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb\u3067\u30b9\u30b3\u30a2\u304c\u826f\u304f\u306a\u308b\n<ul>\n<li>\u307b\u3068\u3093\u3069\u306f\u82e5\u5e72\u306e\u6539\u5584<\/li>\n<li>3% \u306f\u300c\u6539\u5584\u304c\u5fc5\u8981\u300d\u307e\u305f\u306f\u300c\u4e0d\u826f\u300d\u304c\u300c\u826f\u597d\u300d\u306b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"p40-b\">\u3068\u3044\u3046\u3053\u3068\u3067\u3001CLS \u306e\u5b9a\u7fa9\u5909\u66f4\u306f\u50d5\u305f\u3061\u5168\u54e1\u306b\u3068\u3063\u3066\u559c\u3070\u3057\u3044\u66f4\u65b0\u3067\u3059\u3002<\/p>\n<h2>\u6700\u5927 5 \u79d2\u3067\u30011 \u79d2\u306e\u9593\u9694\u304c\u3042\u308b Session Window<\/h2>\n<p>CLS \u306e\u5b9a\u7fa9\u304c\u3069\u3093\u306a\u3075\u3046\u306b\u5909\u308f\u308b\u304b\u3092\u7c21\u6f54\u306b\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3044\u3066\u3044\u306e\u4eba\u306b\u3068\u3063\u3066\u306f\u77e5\u3089\u306a\u304f\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u4e00\u65b9\u3067\u3001API \u3092\u4f7f\u3063\u3066\u72ec\u81ea\u306b CLS \u3092\u53d6\u5f97\u3057\u3066\u3044\u308b\u4eba\u306f\u4ed5\u69d8\u306e\u5909\u66f4\u3092\u7406\u89e3\u3057\u3066\u3044\u305f\u65b9\u304c\u3044\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u3082\u3053\u306e\u8a18\u4e8b\u3067\u306f\u6700\u4f4e\u9650\u306e\u89e3\u8aac\u306b\u3068\u3069\u3081\u307e\u3059\u3002<br \/>\u5b9a\u7fa9\u5909\u66f4\u306e\u6700\u7d42\u6c7a\u5b9a\u306b\u81f3\u308b\u307e\u3067\u306e\u904e\u7a0b\u3082\u542b\u3081\u305f\u8a73\u7d30\u306f <a href=\"https:\/\/web.dev\/evolving-cls\/\">web.dev \u306e\u8a18\u4e8b<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>Session Window \u3068\u306f<\/h3>\n<p>\u3053\u308c\u307e\u3067\u306f\u3001CLS \u306f\u305d\u306e\u30da\u30fc\u30b8\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u4e2d\uff08\u6ede\u5728\u4e2d\uff09\u306b\u767a\u751f\u3057\u305f\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3092\u3059\u3079\u3066\u5408\u7b97\u3057\u3066\u7b97\u51fa\u3057\u3066\u3044\u307e\u3057\u305f\uff08\u306a\u306e\u3067\u3001\u300c\u7d2f\u7a4d\u30ec\u30a4\u30a2\u30a6\u30c8\u5909\u66f4\u300d\u3068\u540d\u4ed8\u3051\u305f\u306e\u3067\u3059\u306d\uff09\u3002<\/p>\n<p>\u65b0\u3057\u3044\u5b9a\u7fa9\u306e\u3082\u3068\u3067\u306f\u3001<strong>Session Window<\/strong>\uff08\u30bb\u30c3\u30b7\u30e7\u30f3 \u30a6\u30a3\u30f3\u30c9\u30a6\uff09\u3068\u3044\u3046\u6982\u5ff5\u304c\u767b\u5834\u3057\u307e\u3059\u3002<\/p>\n<p>Session Window \u3068\u306f\u3056\u3063\u304f\u308a\u8a00\u3046\u3068\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3092\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u305f\u5358\u4f4d\u3067\u3059\u3002<br \/>\u4e00\u822c\u7684\u306b\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306f 1 \u56de\u3067\u306f\u306a\u304f\u3001\u4f55\u5ea6\u3082\u767a\u751f\u3057\u307e\u3059\u3002<br \/>\u767a\u751f\u3057\u305f\u8907\u6570\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3092\u3044\u304f\u3064\u304b\u306b\u307e\u3068\u3081\u3066\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u305f\u306e\u304c Session Window \u3067\u3059\u3002<\/p>\n<p>\u3053\u3061\u3089\u306f\u3001web.dev \u306e\u8a18\u4e8b\u306e\u8a18\u4e8b\u304b\u3089\u62dd\u501f\u3057\u3066\u304d\u305f\u30a4\u30e1\u30fc\u30b8\u56f3\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" itemprop=\"image\" loading=\"lazy\" class=\"bdr\" src=\"https:\/\/www.suzukikenichi.com\/images\/new-cls.png\" alt=\"Session Window\" width=\"845\" height=\"581\" \/><\/p>\n<p>\u6a2a\u8ef8\u306f\u305d\u306e\u30da\u30fc\u30b8\u306b\u6ede\u5728\u3057\u3066\u3044\u308b\u6642\u9593\u306e\u7d4c\u904e\u3067\u3059\u3002<br \/>\n\u9752\u8272\u306e\u68d2\u304c\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3067\u3059\u3002<br \/>\u68d2\u306e\u9577\u3055\u3001\u3064\u307e\u308a\u7e26\u8ef8\u306f\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306e\u5927\u304d\u3055\u3092\u8868\u3057\u307e\u3059\uff08\u9577\u3044\u307b\u3069 CLS \u30b9\u30b3\u30a2\u304c\u5927\u304d\u3044\uff09\u3002<\/p>\n<p>\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u521d\u3081\u306e\u65b9\u306b\u30013 \u3064\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\u3057\u3070\u3089\u304f\u6642\u9593\u3092\u7f6e\u3044\u3066\u3001\u3068\u3066\u3082\u5c0f\u3055\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c 1 \u3064\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u56f3\u3067\u306f\u3001Session Window \u3092 2 \u3064\u306b\u5206\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u524d\u534a\u306e 3 \u3064\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c Session Window 1 \u3067\u3059\u3002<br \/>\u5f8c\u534a\u306e\uff08\u5c0f\u3055\u306a\uff09\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c Session Window 2 \u3067\u3059\u3002<\/p>\n<p>\u4f55\u3092\u57fa\u6e96\u306b\u3057\u3066 Session Window \u3092\u5206\u3051\u308b\u306e\u304b\u304c\u554f\u984c\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\u3044\u304f\u3064\u304b\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u691c\u8a0e\u3057\u3066\u3001\u6700\u7d42\u7684\u306b\u6b21\u306e\u3088\u3046\u306b\u6c7a\u307e\u308a\u307e\u3057\u305f\u3002<\/p>\n<blockquote><p><strong>\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3068\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306e\u9593\u9694\u304c 1 \u79d2\u7a7a\u3044\u305f\u3089\u3001\u65b0\u3057\u3044 Session Window \u304c\u59cb\u307e\u308b<\/strong><\/p><\/blockquote>\n<p>\u8a00\u3044\u63db\u3048\u308c\u3070\u30011 \u79d2\u672a\u6e80\u306e\u9593\u9694\u3067\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c\u767a\u751f\u3057\u7d9a\u3051\u305f\u3089\u3001\u305d\u308c\u3089\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306f 1 \u3064\u306e Session Window \u306b\u307e\u3068\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<h3>CLS \u5bfe\u8c61\u306e Session Window \u306f\u6700\u5927 5 \u79d2<\/h3>\n<p>\u3055\u3089\u306b\u3001Session Window \u306b\u306f\u6642\u9593\u5236\u9650\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>CLS \u306e\u7b97\u51fa\u306b\u7528\u3044\u308b <strong>Session Window \u306f\u6700\u5927 5 \u79d2<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u203b\u3059\u305a\u304d\u6ce8: \u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u9593\u306e\u9593\u9694\u304c 1 \u79d2\u672a\u6e80\u3067\u3001 5 \u79d2\u3092\u8d85\u3048\u305fSession Window \u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306f\u5207\u308a\u6368\u3066\u3089\u308c\u308b\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u65b0\u3057\u3044 Session Window \u304c\u59cb\u307e\u308b\u306e\u304b\u306f\u89e3\u8aac\u8a18\u4e8b\u3067\u306f\u306f\u3063\u304d\u308a\u3057\u307e\u305b\u3093\u3002<br \/>\n<strong>\u3010UPDATE (2021\/6\/14)\u3011<\/strong><br \/>\n\u30bb\u30c3\u30b7\u30e7\u30f3\u30a6\u30a3\u30f3\u30c9\u30a6\u9593\u306e\u9593\u9694\u304c 1 \u79d2\u672a\u6e80\u3067\u3082\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c 5 \u79d2\u4ee5\u4e0a\u7d9a\u304f\u3068\u65b0\u3057\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u30a6\u30a3\u30f3\u30c9\u30a6\u304c\u59cb\u307e\u308b\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u6700\u5927 5 \u79d2\u3067\u5236\u9650\u3092\u304b\u3051\u305f Session Window \u306e\u4e2d\u3067\u767a\u751f\u3057\u305f\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3092\u7d2f\u7a4d\u3057\u3066\u30b9\u30b3\u30a2\u3092\u51fa\u3057\u307e\u3059\u3002<br \/>CLS \u306e\u30b9\u30b3\u30a2\u3068\u3057\u3066\u5b9f\u969b\u306b\u7528\u3044\u308b\u306e\u306f\u3001\u6700\u3082\u5927\u304d\u306a\u7d2f\u7a4d\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3092\u6301\u3064 Session Window \u306e\u30b9\u30b3\u30a2\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\u305d\u308c\u4ee5\u5916\u306e Session Window \u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306f CLS \u306e\u30b9\u30b3\u30a2\u306b\u306f\u542b\u307e\u308c\u307e\u305b\u3093\u3002<\/p>\n<p class=\"p40-b\">\u3053\u308c\u3082\u3001\u5927\u304d\u306a\u5909\u66f4\u3067\u3059\u306d\u3002<br \/>\u5192\u982d\u3067\u3082\u89e6\u308c\u305f\u3088\u3046\u306b\u3001\u4eca\u307e\u3067\u306f\u30bb\u30c3\u30b7\u30e7\u30f3\u4e2d\u306e\u3059\u3079\u3066\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c CLS \u306e\u30b9\u30b3\u30a2\u306b\u542b\u307e\u308c\u307e\u3057\u305f\u3002<br \/>\u65b0\u3057\u3044\u5b9a\u7fa9\u306e\u3082\u3068\u3067\u306f\u3001\u6700\u3082\u5927\u304d\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3092\u767a\u751f\u3055\u305b\u305f Session Window \u3060\u3051\u304c\u3001CLS \u306e\u6700\u7d42\u30b9\u30b3\u30a2\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30da\u30fc\u30b8 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9 \u30b7\u30b0\u30ca\u30eb\u306f\u65b0\u3057\u3044 CLS \u3092\u4f7f\u3046<\/h2>\n<p>\u307e\u3082\u306a\u304f\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb\u3092\u8981\u7d20\u306b\u52a0\u3048\u305f\u30da\u30fc\u30b8 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9 \u30b7\u30b0\u30ca\u30eb\u304c\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u306b\u306a\u308a\u307e\u3059\u3002<br \/><strong><mark>\u30da\u30fc\u30b8 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9 \u30b7\u30b0\u30ca\u30eb\u3067\u306f\u3001\u65b0\u3057\u3044\u5b9a\u7fa9\u3067\u8a08\u7b97\u3057\u305f CLS \u3092\u7528\u3044\u308b<\/mark><\/strong>\u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>Google I\/O 2021 \u306e <a href=\"https:\/\/events.google.com\/io\/session\/165a213a-d593-4ad0-9bee-18615a4757e8\">Preparing for page experience ranking<\/a> \uff08\u30da\u30fc\u30b8 \u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9 \u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u5411\u3051\u305f\u6e96\u5099\uff09\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u3001<a href=\"https:\/\/youtu.be\/h00kn5J-F2Q?t=382\">Jeffrey Jose \u6c0f\u304c\u8a00\u53ca<\/a>\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><iframe loading=\"lazy\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/h00kn5J-F2Q?start=382\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p class=\"p40-b\">\u5148\u306b\u89e6\u308c\u305f\u3088\u3046\u306b\u3001\u65b0\u3057\u3044\u5b9a\u7fa9\u3067 CLS \u306f\u826f\u304f\u306a\u308a\u3053\u305d\u3059\u308c\u60aa\u304f\u306a\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u5bfe\u3057\u3066\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u591a\u5c11\u306a\u308a\u3068\u3082\u6e1b\u3063\u305f\u306e\u306f\u5b89\u5fc3\u6750\u6599\u3067\u3059\u3002<\/p>\n<h2>CLS \u306f\u65b0\u3057\u3044\u5b9a\u7fa9\u3067\u3059\u3067\u306b\u53d6\u5f97\u3055\u308c\u3066\u3044\u308b\u306e\u304b\uff1f<\/h2>\n<p>\u73fe\u5728\u3059\u3067\u306b\u3001\u65b0\u3057\u3044\u5b9a\u7fa9\u3092\u4f7f\u3063\u3066 CLS \u304c\u53d6\u5f97\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u3069\u3046\u304b\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<p class=\"p30-b\">\u65b0\u3057\u3044 CLS \u306e\u6b63\u5f0f\u767a\u8868\u304c\u3042\u3063\u305f\u306e\u304c 2021 \u5e74 4 \u6708 7 \u65e5\u3067\u3059\u3002<br \/>\u3053\u306e\u6642\u70b9\u3067\u306f\u3001\u6700\u7d42\u7684\u306a\u4ed5\u69d8\u304c\u6c7a\u307e\u3063\u305f\u3068\u3044\u3046\u3060\u3051\u3067\u3001\u307e\u3060\u9069\u7528\u3055\u308c\u3066\u306f\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br \/>\u6e2c\u5b9a\u306b\u5229\u7528\u3059\u308b\u30c4\u30fc\u30eb\u3082\u65b0\u5b9a\u7fa9\u306b\u5408\u308f\u305b\u3066\u66f4\u65b0\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3057\u305f\u3002<\/p>\n<p>John Mueller\uff08\u30b8\u30e7\u30f3\u30fb\u30df\u30e5\u30fc\u30e9\u30fc\uff09\u6c0f\u306f\u3001\u300c\u3082\u3046\u5c0e\u5165\u3057\u3066\u3044\u308b\u304b\u3001\u305d\u3046\u3067\u306a\u3051\u308c\u3070\u3082\u3046\u3059\u3050\u3060\u308d\u3046\u300d\u3068\u3044\u3046\u3053\u3068\u3067\u3084\u306f\u308a\u660e\u78ba\u306b\u306f\u8a8d\u8b58\u3057\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\uff08\u62c5\u5f53\u30c1\u30fc\u30e0\u304c\u7570\u306a\u308b\u306e\u3067\u3001\u4e0d\u601d\u8b70\u306a\u3053\u3068\u3067\u306f\u306a\u3044\uff09\u3002<\/p>\n<blockquote class=\"twitter-tweet\" data-conversation=\"none\" data-theme=\"dark\">\n<p lang=\"en\" dir=\"ltr\">There&#39;s been work to address the topic of CLS &amp; SPAs &#8211; <a href=\"https:\/\/t.co\/U5XE83cN30\">https:\/\/t.co\/U5XE83cN30<\/a> &#8211; I believe that&#39;s already live or will be so soon.<\/p>\n<p>&mdash; &#x1f34c; John &#x1f34c; (@JohnMu) <a href=\"https:\/\/twitter.com\/JohnMu\/status\/1397858692905701379?ref_src=twsrc%5Etfw\">May 27, 2021<\/a><\/p><\/blockquote>\n<p> <script defer src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>API \u306b\u95a2\u3057\u3066\u306f Github \u306b<a href=\"https:\/\/github.com\/mmocny\/web-vitals\/wiki\/Snippets-for-LSN-using-PerformanceObserver#max-session-gap1s-limit5s\">\u30b3\u30fc\u30c9<\/a>\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>CrUX \u3084 Lighthouse \u306a\u3069\u306e\u30c4\u30fc\u30eb\u3082\u66f4\u65b0\u3057\u3066\u3044\u308b\u306e\u304b\u3069\u3046\u304b\u306e\u60c5\u5831\u3092\u50d5\u81ea\u8eab\u306f\u5f97\u3066\u3044\u306a\u3044\u306e\u3067\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u6a5f\u4f1a\u3092\u307f\u3066\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<p class=\"p30-t p60-b\">\u3010UPDATE (2021\/6\/2)\u3011<br \/>\nSearch Console \u306e\u30a6\u30a7\u30d6\u306b\u95a2\u3059\u308b\u4e3b\u306a\u6307\u6a19\u30ec\u30dd\u30fc\u30c8\u306f\u65b0\u5b9a\u7fa9\u3067\u306e CLS \u3092\u4f7f\u3046\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\u8a73\u3057\u304f\u306f<a href=\"https:\/\/www.suzukikenichi.com\/blog\/search-console-now-using-new-cls-metrics\/\">\u3053\u3061\u3089\u306e\u8a18\u4e8b<\/a>\u3092\u53c2\u7167\u3002<\/p>\n<p>\u65b0\u3057\u3044\u5b9a\u7fa9\u3067\u306e\u3000CLS \u306e\u7d39\u4ecb\u306f\u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n<p>CLS \u306f\u3001LCP \u3084 FID \u3068\u306f\u7570\u306a\u308a\u3001\u4eca\u307e\u3067\u306b\u306a\u304b\u3063\u305f\u65b0\u3057\u3044\u6982\u5ff5\u306e UX \u6307\u6a19\u3067\u3059\u3002<br \/>\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u96c6\u3081\u3066\u4eca\u5f8c\u3082\u6539\u826f\u3055\u308c\u3066\u3044\u304f\u306e\u3067\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb\u306e 3 \u8981\u7d20\u306e 1 \u3064\u3067\u3042\u308b CLS (Cumulative Layout Shift) \u306e\u5b9a\u7fa9\u304c\u5909\u308f\u308b\u3002\u30da\u30fc\u30b8\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u306b\u306f\u3001\u65b0\u3057\u3044\u5b9a\u7fa9\u3067\u53d6\u5f97\u3059\u308b CLS \u306e\u30b9\u30b3\u30a2\u304c\u8a55\u4fa1\u306b\u7528\u3044\u3089\u308c\u308b\u3002<\/p>\n","protected":false},"author":1,"featured_media":11392,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,1179,758],"tags":[1543,1556],"class_list":["post-11391","post","type-post","status-publish","format-standard","has-post-thumbnail","category-google-seo","category-mobile-seo","category-site-design-and-conversion","tag-core-web-vitals","tag-cls"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/11391","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/comments?post=11391"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/11391\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media\/11392"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=11391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=11391"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=11391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}