{"id":8904,"date":"2021-05-25T17:36:54","date_gmt":"2021-05-25T08:36:54","guid":{"rendered":"https:\/\/seopack.jp\/seoblog\/?p=8904"},"modified":"2025-07-31T11:21:08","modified_gmt":"2025-07-31T02:21:08","slug":"img_width_height","status":"publish","type":"post","link":"https:\/\/seopack.jp\/seoblog\/img_width_height\/","title":{"rendered":"\u753b\u50cf\u8981\u7d20\u306bwidth\u3068height\u3092\u6307\u5b9a\u3057\u3066CLS\u6539\u5584"},"content":{"rendered":"<p>Google\u304cCore Web Vitals\uff08\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb\uff09\u3068\u3044\u3046\u6307\u6a19\u3092\u691c\u7d22\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u306b\u7d44\u307f\u8fbc\u3080\u3068\u767a\u8868\u3057\u305f\u4e8b\u304b\u3089\u3001Google\u306ePage Speed Insights\u3092\u6d3b\u7528\u3057\u3001\u30da\u30fc\u30b8\u306e\u6539\u5584\u306b\u53d6\u308a\u7d44\u307e\u308c\u3066\u3044\u308b\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>Core Web Vitals\u3068\u306f\u3001\u300c\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\uff08LCP\uff09\u300d\u300c\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u3078\u306e\u53cd\u5fdc\u6027\uff08FID\uff09\u300d\u300c\u8996\u899a\u8981\u7d20\u306e\u5b89\u5b9a\u6027\uff08CLS\uff09\u300d\u306e3\u70b9\u3092\u8a55\u4fa1\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u30012024\u5e743\u6708\u3088\u308aINP\u3068\u3044\u3046\u6307\u6a19\u304cFID\u3068\u66ff\u308f\u308a\u52a0\u308f\u308a\u307e\u3059\u3002<br \/>\nCore Web Vitals\u306f\u3001\u4eca\u5f8c\u3082SEO\u5bfe\u7b56\u3092\u3059\u308b\u4e0a\u3067\u7121\u8996\u3067\u304d\u306a\u3044\u6307\u6a19\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<th>LCP<\/th>\n<td>\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6<\/td>\n<\/tr>\n<tr>\n<th>FID<\/th>\n<td>\u30e6\u30fc\u30b6\u30fc\u64cd\u4f5c\u3078\u306e\u53cd\u5fdc\u6027<\/td>\n<\/tr>\n<tr>\n<th>INP(Interaction to Next Paint)<\/th>\n<td>\u30da\u30fc\u30b8\u306e\u5fdc\u7b54\u6027\u203b2024\u5e743\u6708\u3088\u308aFID\u3068\u66ff\u308f\u308a\u8a55\u4fa1\u6307\u6a19\u306b<\/td>\n<\/tr>\n<tr>\n<th>CLS<\/th>\n<td>\u8996\u899a\u8981\u7d20\u306e\u5b89\u5b9a\u6027<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u3055\u3066\u3001<a href=\"https:\/\/pagespeed.web.dev\/\" target=\"blank\" rel=\"noopener\">Page Speed Insights<\/a>\u306e\u8a3a\u65ad\u7d50\u679c\u306e\u6539\u5584\u3067\u304d\u308b\u9805\u76ee\u306e\u4e2d\u3067\u3001\u8a3a\u65ad\u3059\u308b\u30da\u30fc\u30b8\u306b\u3088\u3063\u3066\u306f<b>\u300c\u753b\u50cf\u8981\u7d20\u3067 width \u3068 height \u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u300d<\/b>\u3068\u3044\u3046\u9805\u76ee\u304c\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/seopack.jp\/seoblog\/wp-content\/uploads\/2021\/05\/\u30d6\u30ed\u30b0\u30e1\u30a4\u30f3img.png\" alt=\"\u753b\u50cf\u8981\u7d20\u306bwidth\u3068height\u3092\u6307\u5b9a\u3057\u3066CLS\u6539\u5584\" width=\"1280\" height=\"661\" class=\"aligncenter size-full wp-image-8948\"><\/p>\n<div class=\"article_summary\">\n<div class=\"article_summary_tit\">\u3053\u306e\u8a18\u4e8b\u3067\u308f\u304b\u308b\u3053\u3068<\/div>\n<ul>\n<li>Core Web Vitals\uff08\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb\uff09\u306e\u6982\u8981\u3068\u91cd\u8981\u6027<\/li>\n<li>\u753b\u50cf\u8981\u7d20\u306bwidth\u3068height\u3092\u6307\u5b9a\u3059\u308b\u7406\u7531\u3068\u305d\u306e\u52b9\u679c<\/li>\n<li>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3068\u753b\u50cf\u30b5\u30a4\u30ba\u6307\u5b9a\u306e\u95a2\u4fc2<\/li>\n<li>vw\u5358\u4f4d\u3084\u753b\u50cf\u30b5\u30a4\u30ba\u6307\u5b9a\u6642\u306e\u6ce8\u610f\u70b9<\/li>\n<li>Page Speed Insights\u3067\u306e\u6539\u5584\u4e8b\u4f8b<\/li>\n<li>\u5e83\u544a\u3084\u57cb\u3081\u8fbc\u307f\u8981\u7d20\u306ewidth\/height\u6307\u5b9a\u65b9\u6cd5<\/li>\n<li>Web\u30d5\u30a9\u30f3\u30c8\u8aad\u8fbc\u307f\u306b\u3088\u308bCLS\u5bfe\u7b56<\/li>\n<li>\u307e\u3068\u3081\u3068\u5b9f\u8df5\u7684\u306a\u6539\u5584\u30dd\u30a4\u30f3\u30c8<\/li>\n<\/ul>\n<\/div>\n<p><!--more--><br \/>\nwidth\u3068\u306f\u300c\u5e45\u300d\u3001height\u3068\u306f\u300c\u9ad8\u3055\u300d\u3092\u8868\u3057\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u3001\u753b\u50cf\u8981\u7d20\u306b\u300c\u5e45\u300d\u3068\u300c\u9ad8\u3055\u300d\u3092\u6307\u5b9a\u3057\u3001\u300c\u753b\u50cf\u8981\u7d20\u3067 width \u3068 height \u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u3068\u3044\u3046\u8a3a\u65ad\u9805\u76ee\u3092\u6539\u5584\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<div style=\"text-align:center;\">\n<img loading=\"lazy\" src=\"https:\/\/seopack.jp\/seoblog\/wp-content\/uploads\/2021\/05\/images-1.jpg\" alt=\"\u753b\u50cf\u30b5\u30a4\u30ba\u6307\u5b9a\" width=\"436\" height=\"349\" class=\"aligncenter size-full wp-image-8946\"><\/div>\n<div id=\"toc_container\" class=\"toc_light_blue no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#widthheight\">\u306a\u305c\u753b\u50cf\u8981\u7d20\u306bwidth\u3068height\u306e\u6307\u5b9a\u304c\u5fc5\u8981\u306a\u306e\u304b<\/a><\/li><li><a href=\"#widthheight-2\">\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u30da\u30fc\u30b8\u306fwidth\u3084height\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\uff1f<\/a><\/li><li><a href=\"#i\">\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ba\u30ec\uff1d\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u300d\u304c\u8d77\u3053\u308b\u539f\u56e0\u3068\u78ba\u8a8d\u65b9\u6cd5<\/a><\/li><li><a href=\"#-width-height\">\u300c\u753b\u50cf\u8981\u7d20\u3067 width \u3068 height \u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u9805\u76ee\u306e\u6539\u5584\u65b9\u6cd5<\/a><\/li><li><a href=\"#i-2\">\u5b9f\u969b\u306b\u6539\u5584\u3057\u307e\u3057\u305f<\/a><ul><li><a href=\"#CLS\">CLS\u30b9\u30b3\u30a2\u306b\u3064\u3044\u3066<\/a><\/li><\/ul><\/li><li><a href=\"#widthheight-3\">\u5e83\u544a\u306a\u3069\u57cb\u3081\u8fbc\u307f\u8981\u7d20\u306bwidth\u3084height\u306e\u6307\u5b9a\u306f\u3069\u3046\u3059\u308b\uff1f<\/a><\/li><li><a href=\"#WebCLS\">Web\u30d5\u30a9\u30f3\u30c8\u8aad\u8fbc\u307f\u306b\u3088\u308bCLS\u6539\u5584\u306e\u65b9\u6cd5\u306f\uff1f<\/a><\/li><li><a href=\"#i-3\">\u307e\u3068\u3081<\/a><\/li><\/ul><\/div>\n\n<h3><span id=\"widthheight\">\u306a\u305c\u753b\u50cf\u8981\u7d20\u306bwidth\u3068height\u306e\u6307\u5b9a\u304c\u5fc5\u8981\u306a\u306e\u304b<\/span><\/h3>\n<p>\u300c\u753b\u50cf\u8981\u7d20\u3067 width \u3068 height \u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u3068\u3044\u3046\u9805\u76ee\u3092\u6539\u5584\u3059\u308b\u3068\u3001Core Web Vitals\u306e\u4e2d\u3067\u306f\u300c\u8996\u899a\u8981\u7d20\u306e\u5b89\u5b9a\u6027\uff08CLS\uff09\u300d\u306e\u6539\u5584\u306b\u7e4b\u304c\u308a\u307e\u3059\u3002<\/p>\n<p>\u753b\u50cf\u8981\u7d20\u306bwidth\u3068height\u306e\u6307\u5b9a\u304c\u3042\u308b\u3068\u3001\u753b\u50cf\u8aad\u307f\u8fbc\u307f\u6642\u306b\u4e88\u3081\u8868\u793a\u9818\u57df\u304c\u78ba\u4fdd\u3067\u304d\u3066\u3044\u308b\u72b6\u614b\u306a\u306e\u3067\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306b\u30ba\u30ec\u304c\u751f\u3058\u307e\u305b\u3093\u3002\u53cd\u5bfe\u306bwidth\u3068height\u306e\u6307\u5b9a\u304c\u306a\u3044\u753b\u50cf\u3092\u542b\u3080\u30da\u30fc\u30b8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u969b\u306b\u306f\u3001\u4e00\u5ea6\u753b\u50cf\u306e\u8868\u793a\u9818\u57df\u304c\u7121\u8996\u3055\u308c\u3001\u305d\u306e\u5f8c\u753b\u50cf\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u3068\u3044\u3063\u305f\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u52d5\u304d\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u7a81\u7136\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u52d5\u304f\u3088\u3046\u306a\u4e8b\u3092<b>\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u300d<\/b>\u3068\u547c\u3073\u307e\u3059\u3002<br \/>\n\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c\u8d77\u3053\u308b\u4e8b\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u7279\u5b9a\u306e\u5834\u6240\u3092\u30af\u30ea\u30c3\u30af\u3057\u3088\u3046\u3068\u3057\u305f\u3068\u3053\u308d\u3001\u8868\u793a\u304c\u30ba\u30ec\u3001\u610f\u56f3\u3057\u306a\u3044\u60c5\u5831\u306b\u8a98\u5c0e\u3055\u308c\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u30af\u30ea\u30c3\u30af\u3057\u640d\u306d\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\n\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u305f\u306e\u3067\u30c6\u30ad\u30b9\u30c8\u3092\u8aad\u307f\u9032\u3081\u3088\u3046\u3068\u3057\u305f\u3068\u3053\u308d\u3001\u5e83\u544a\u304c\u9045\u308c\u3066\u8868\u793a\u3055\u308c\u8aad\u3093\u3067\u3044\u305f\u30c6\u30ad\u30b9\u30c8\u304c\u4e0b\u90e8\u306b\u8ffd\u3044\u3084\u3089\u308c\u308b\u3068\u3044\u3063\u305f\u7d4c\u9a13\u3082\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306f\u3001Page Speed Insights\u306e\u5225\u306e\u9805\u76ee\u3067\u3042\u308b<b>\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u5927\u304d\u304f\u5909\u308f\u3089\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u300d<\/b>\u3068\u3044\u3063\u305f\u90e8\u5206\u306e\u6539\u5584\u3068\u540c\u69d8\u3067\u3001\u753b\u50cf\u8981\u7d20\u306bwidth\u3068height\u306e\u6307\u5b9a\u3092\u3057\u3066\u3044\u304f\u4e8b\u3067\u3001\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ba\u30ec\uff1d\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u300d\u304c\u7121\u304f\u306a\u308aCLS\u306e\u6539\u5584\u3092\u3059\u308b\u4e8b\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span id=\"widthheight-2\">\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u30da\u30fc\u30b8\u306fwidth\u3084height\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\uff1f<\/span><\/h3>\n<p>\u6628\u4eca\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306f\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3092\u53d6\u308a\u5165\u308c\u3066\u3044\u308b\u30b5\u30a4\u30c8\u304c\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3068\u3044\u3046\u306e\u306f\u3001\uff11\u3064\u306ehtml\u30d5\u30a1\u30a4\u30eb\u3067\u3001\u30d1\u30bd\u30b3\u30f3\u8868\u793a\u7528\u306e\u30da\u30fc\u30b8\u3068\u30e2\u30d0\u30a4\u30eb\u8868\u793a\u7528\u3001\u30bf\u30d6\u30ec\u30c3\u30c8\u8868\u793a\u7528\u306a\u3069\u30c7\u30d0\u30a4\u30b9\u6bce\u306bhtml\u30d5\u30a1\u30a4\u30eb\u3092\u5909\u3048\u308b\u4e8b\u7121\u304f\u7ba1\u7406\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<br \/>\n\u30ec\u30a4\u30a2\u30a6\u30c8\u3084\u6587\u5b57\u30b5\u30a4\u30ba\u306a\u3069\u306e\u8abf\u6574\u306fCSS\u306b\u3088\u308a\u30c7\u30d0\u30a4\u30b9\u6bce\u306e\u6307\u5b9a\u3092\u3059\u308b\u4e8b\u3067\u3001\uff11\u3064\u306ehtml\u30d5\u30a1\u30a4\u30eb\u3067\u306e\u904b\u7528\u30fb\u7ba1\u7406\u304c\u3067\u304d\u308b\u70b9\u304c\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u9b45\u529b\u3067\u3059\u3002<br \/>\nGoogle\u3082\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u30b5\u30a4\u30c8\u904b\u55b6\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001\u672c\u30d6\u30ed\u30b0\u3092\u904b\u55b6\u3059\u308b<a href=\"\/\">SEO Pack<\/a>\u306e\u30b5\u30a4\u30c8\u3082\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3067\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3068\u3066\u3082\u904b\u7528\u6b74\u306e\u9577\u3044\u30b5\u30a4\u30c8\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u306f\u308b\u304b\u6614\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u8a18\u61b6\u3092\u8fbf\u308b\u3068\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u5c0e\u5165\u524d\u306e\u300c\u904e\u53bb\u300d\u306b\u4f5c\u6210\u3057\u305f\u30b5\u30a4\u30c8\u306f\u3001\u308f\u308a\u3068width\u3084height\u3092\u6307\u5b9a\u3057\u3001\u30ac\u30c1\u30ac\u30c1\u306b\u5d29\u308c\u306a\u3044\u3088\u3046\u306b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u3057\u3066\u3044\u305f\u8a18\u61b6\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306b\u79fb\u884c\u5f8c\u3001\u3042\u307e\u308awidth\u3068height\u3092\u6307\u5b9a\u3057\u306a\u3044\u65b9\u6cd5\u3067\u4f5c\u6210\u3059\u308b\u65b9\u6cd5\u306b\u79fb\u884c\u3057\u307e\u3057\u305f\u3002<br \/>\n\u3057\u304b\u3057\u3001\u3053\u306e\u3088\u3046\u306bwidth\u3068height\u3092\u6307\u5b9a\u3057\u306a\u3044\u65b9\u6cd5\u3060\u3068\u65b0\u305f\u306a\u554f\u984c\u306e\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u300d\u304c\u8d77\u3053\u308b\u539f\u56e0\u3068\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<h3><span id=\"i\">\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ba\u30ec\uff1d\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u300d\u304c\u8d77\u3053\u308b\u539f\u56e0\u3068\u78ba\u8a8d\u65b9\u6cd5<\/span><\/h3>\n<p>\u4e0a\u8a18\u3067\u3082\u89e6\u308c\u307e\u3057\u305f\u304c\u3001CLS\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u300d\u304c\u8d77\u3053\u308b\u539f\u56e0\u3092\uff12\u3064\u6319\u3052\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u753b\u50cf\u3084\u52d5\u753b\u3001iframe\u3001\u5e83\u544a\u306a\u3069\u306e\u57cb\u3081\u8fbc\u307f\u8981\u7d20\u306bwidth\u3068height\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044<\/li>\n<li>\u6307\u5b9a\u3059\u308b\u30d5\u30a9\u30f3\u30c8\u8aad\u8fbc\u307f\u306e\u9045\u308c\u3084\u4ee3\u66ff\u30d5\u30a9\u30f3\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u5834\u5408<\/li>\n<\/ul>\n<p>\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3092\u898b\u305f\u76ee\u3067\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001Google Chrome\u306e\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3057\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" src=\"https:\/\/seopack.jp\/seoblog\/wp-content\/uploads\/2024\/02\/google-devtools.png\" alt=\"google\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc\u30c4\u30fc\u30eb\" width=\"650\" height=\"453\" class=\"aligncenter size-full wp-image-8918\"><br \/>\n\u4e0a\u306e\u753b\u50cf\u4e2d\u3067\u8aac\u660e\u3057\u307e\u3059\u3068\u30101\u3011\u300c\ufe19\u300d\u3092\u30af\u30ea\u30c3\u30af\u30102\u3011\u300cMore tools\u300d\u3092\u30af\u30ea\u30c3\u30af\u30103\u3011\u300cRendering\u300d\u3092\u30af\u30ea\u30c3\u30af\u306e\u9806\u306b\u9032\u3081\u3001\u30104\u3011\u300cLayout Shift Regions\u300d\u306b\u30c1\u30a7\u30c3\u30af\u3092\u4ed8\u3051\u308b\u3002<br \/>\n\u3053\u306e\u72b6\u614b\u3067\u8abf\u3079\u305f\u3044\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u3068\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c\u8d77\u304d\u305fhtml\u90e8\u5206\u304c\u7d2b\u8272\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<br \/>\n\u56de\u7dda\u901f\u5ea6\u306a\u3069\u826f\u597d\u306a\u72b6\u614b\u306e\u5834\u5408\u306f\u3001\u4e00\u77ac\u7d2b\u8272\u306b\u8272\u4ed8\u3051\u3055\u308c\u308b\u3088\u3046\u306a\u8868\u793a\u306b\u306a\u308b\u3068\u4e88\u60f3\u3055\u308c\u307e\u3059\u306e\u3067\u5c11\u3005\u5206\u304b\u308a\u306b\u304f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u7c21\u5358\u306b\u78ba\u8a8d\u3067\u304d\u308b\u65b9\u6cd5\u3068\u306a\u308b\u306e\u3067\u4e00\u5ea6\u78ba\u8a8d\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\nhtml\u306e\u77e5\u8b58\u304c\u305d\u308c\u307b\u3069\u306a\u304f\u3066\u3082\u3001\u3069\u306e\u90e8\u5206\u3067\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c\u8d77\u304d\u3066\u3044\u308b\u304b\u306a\u3093\u3068\u306a\u304f\u628a\u63e1\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span id=\"-width-height\">\u300c\u753b\u50cf\u8981\u7d20\u3067 width \u3068 height \u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u9805\u76ee\u306e\u6539\u5584\u65b9\u6cd5<\/span><\/h3>\n<p>\u753b\u50cf\u8981\u7d20\u305d\u308c\u305e\u308c\u306b\u3001width\u3068height\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n\u305d\u306e\u969b\u306b\u3001\u7e26\u6a2a\u6bd4\u304c\u5d29\u308c\u306a\u3044\u3088\u3046\u306bcss\u306e\u65b9\u3067\u306fwidth:100%;height:auto;\u3092\u6307\u5b9a\u3057\u3066\u304a\u304f\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<div style=\"border:1px solid #e4e4e4;\">\n<img loading=\"lazy\" src=\"https:\/\/seopack.jp\/seoblog\/wp-content\/uploads\/2021\/05\/\u753b\u50cf\u306b\u30b5\u30a4\u30ba\u6307\u5b9a.png\" alt=\"\u753b\u50cf\u8981\u7d20\u306ewidth\u3068height\u6307\u5b9a\u65b9\u6cd5\" width=\"100%\" height=\"442\" class=\"aligncenter size-full wp-image-8918\"><\/div>\n<p>\u66f4\u306b\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306eCSS\u306e\u6307\u5b9a\u306b\u306f\u3001\u4e0a\u8a18\u306b\u52a0\u3048\u3042\u3068\u4e00\u5de5\u592b\u304c\u3042\u308b\u3068\u5b89\u5fc3\u3067\u3059\u3002<br \/>\n\u6a2a\u5e45\uff08width\uff09\u00d7\u5143\u753b\u50cf\u306e\u7e26\u306e\u6bd4\u7387\u3067\u9ad8\u3055\u3092\u7b97\u51fa\u3057\u307e\u3059\u3002<br \/>\n\u6a2a\u5e45\u304c600px\u3001\u9ad8\u3055\u304c300px\u306e\u753b\u50cf\u306e\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306bCSS\u3067\u9ad8\u3055\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p><code><\/code><\/p>\n<p><code><\/code><\/p>\n<p><code><\/p>\n<ol style=\"list-style:decimal-leading-zero outside;in-left:0;padding-left:36px;margin:0;background-color:#EEF;color:#000;\">\n<li style=\"background-color:#EFF;\">height: calc(100vw * (300 \/ 600));<\/li>\n<\/ol>\n<p><\/code><code><\/code><code><\/code><br \/>\n\u300cvw\u300d\u3068\u3044\u3046\u5358\u4f4d\u306f\u3001\u300cviewport width\u300d\u3092\u8868\u3057<b>viewport\uff08\u30d6\u30e9\u30a6\u30b6\u306e\u5e45\uff09\u306ewidth\u306b\u5bfe\u3059\u308b\u76f8\u5bfe\u7684\u306a\u5272\u5408<\/b>\u3068\u3044\u3063\u305f\u610f\u5473\u3092\u6301\u3061\u307e\u3059\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u5834\u5408\u306eCSS\u306e\u8a18\u8f09\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u6307\u5b9a\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p><code><\/code><\/p>\n<p><code><\/code><\/p>\n<p><code><\/p>\n<ol style=\"list-style:decimal-leading-zero outside;in-left:0;padding-left:36px;margin:0;background-color:#EEF;color:#000;\">\n<li style=\"background-color:#EFF;\">img {<\/li>\n<li style=\"background-color:#EEF;\">width:100%;<\/li>\n<li style=\"background-color:#EFF;\">height: calc(100vw * (300 \/ 600));<\/li>\n<li style=\"background-color:#EEF;\">}<\/li>\n<\/ol>\n<p><\/code><code><\/code><code><\/code><br \/>\n\u30d6\u30e9\u30a6\u30b6\u5e45\u304c600px\u306e\u6642\u306e\u300cwidth:10vw\u300d\u306f\u3001600px\u306e10\uff05\u3067\u3042\u308b\u300c60px\u300d\u306e\u5e45\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u5c11\u3057\u8a71\u306f\u9038\u308c\u307e\u3059\u304c\u3001\u300cvw\u300d\u3068\u3044\u3046\u5358\u4f4d\u3092width\u306b\u6307\u5b9a\u3059\u308b\u5834\u5408\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u30d0\u30fc\u3082\u542b\u3081\u305f\u30b5\u30a4\u30ba\u304c\u57fa\u6e96\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3057\u305f\u304c\u3063\u3066\u3001\u5b9f\u969b\u306b\u6a2a\u5e45\u306b\u6307\u5b9a\u3057\u3066\u307f\u308b\u3068\u8a08\u7b97\u3088\u308a\u5e45\u304c\u306f\u307f\u51fa\u3057\u3066\u3057\u307e\u3046\u3068\u3044\u3063\u305f\u30c8\u30e9\u30d6\u30eb\u306b\u898b\u821e\u308f\u308c\u308b\u30b1\u30fc\u30b9\u304c\u751f\u3058\u307e\u3059\u3002<br \/>\n\u300cvw\u300d\u306b\u3064\u3044\u3066\u306e\u8a73\u7d30\u306f\u5225\u306e\u8a18\u4e8b\u3067\u6398\u308a\u4e0b\u3052\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u300cCLS\u6539\u5584\u306e\u70ba\u306e\u8868\u793a\u9818\u57df\u78ba\u4fdd\u300d\u306e\u70ba\u306e\u65b9\u6cd5\u306b\u96c6\u4e2d\u3057\u3066\u3054\u6848\u5185\u3057\u307e\u3059\u3002<\/p>\n<p>webp\u5f62\u5f0f\u306e\u753b\u50cf\u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001img\u8981\u7d20\u306bwidth\u3068height\u3092\u6307\u5b9a\u3059\u308b\u3068\u7e26\u6a2a\u6bd4\u304c\u4fdd\u305f\u308c\u306a\u304c\u3089\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<h3><span id=\"i-2\">\u5b9f\u969b\u306b\u6539\u5584\u3057\u307e\u3057\u305f<\/span><\/h3>\n<p>\u5b9f\u969b\u306b\u3001Page Speed Insights\u306e\u6539\u5584\u9805\u76ee\u3067\u300c\u753b\u50cf\u8981\u7d20\u3067 width \u3068 height \u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u304c\u51fa\u3066\u3044\u305f\u30da\u30fc\u30b8\u3092\u6539\u5584\u3057\u307e\u3057\u305f\u3002<\/p>\n<div style=\"border:1px solid #e4e4e4;\">\n<img loading=\"lazy\" src=\"https:\/\/seopack.jp\/seoblog\/wp-content\/uploads\/2021\/05\/\u30b9\u30b3\u30a2\u6bd4\u8f03.png\" alt=\"\u30da\u30fc\u30b8\u30b9\u30d4\u30fc\u30c9\u30a4\u30f3\u30b5\u30a4\u30c8\u30b9\u30b3\u30a2\u6bd4\u8f03\" width=\"100%\" height=\"auto\" class=\"aligncenter size-full wp-image-8921\"><\/div>\n<p>\u30da\u30fc\u30b8\u4e2d28\u500b\u306e\u753b\u50cf\u306bwidth\u3068height\u3092\u6307\u5b9a\u3057\u305f\u7d50\u679c\u3001\u5be9\u67fb\u7d50\u679c\u304c<span style=\"color: #ea5043;\">\u25b2<\/span>\u3060\u3063\u305f\u306e\u304c\u3001\u5408\u683c\u3057\u305f\u76e3\u67fb\u306e\u9805\u76ee\u306b\u79fb\u52d5\u3057\u307e\u3057\u305f\u3002<br \/>\n\u30da\u30fc\u30b8\u81ea\u4f53\u306e\u30b9\u30b3\u30a2\u306f14\u304b\u308925\u3068\u3001\u591a\u5c11\u30b9\u30b3\u30a2\u306b\u6539\u5584\u304c\u307f\u3048\u307e\u3059\u3002<\/p>\n<div style=\"text-align:center\">\n<img loading=\"lazy\" src=\"https:\/\/seopack.jp\/seoblog\/wp-content\/uploads\/2021\/05\/CLS.png\" alt=\"\" width=\"360\" height=\"126\" class=\"aligncenter size-full wp-image-8928\"><\/div>\n<p>\u307e\u305f\u3001CLS\u306e\u9805\u76ee\u306b\u3064\u3044\u3066\u306f\u3001\u6539\u5584\u524d\u3082\u300c0\u300d\u3060\u3063\u305f\u305f\u3081\u6539\u5584\u5f8c\u3082\u300c0\u300d\u306e\u307e\u307e\u5909\u5316\u306f\u898b\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<h4><span id=\"CLS\">CLS\u30b9\u30b3\u30a2\u306b\u3064\u3044\u3066<\/span><\/h4>\n<p>CLS\u306f\u3001\u8868\u793a\u9818\u57df\u5185\u306e\u8868\u793a\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u91cf\u3068\u5f71\u97ff\u3092\u53d7\u3051\u308b\u8981\u7d20\u304c\u79fb\u52d5\u3057\u305f\u8ddd\u96e2\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u4e0d\u5b89\u5b9a\u6027\u3092\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u5024\u3067\u3059\u3002<br \/>\nCLS\u30b9\u30b3\u30a2\u306f\u300c0\u300d\u304c\u4e00\u756a\u4e0b\u306e\u5024\u3068\u306a\u308a\u3001\u30b9\u30b3\u30a2\u304c\u4f4e\u3044\u307b\u3069\uff080\u306b\u8fd1\u3044\u307b\u3069\uff09\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c\u7121\u304f\u3001\u826f\u597d\u306a\u8868\u793a\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\nCLS\u304c0.1\u672a\u6e80\u3067\u300c\u826f\u597d\u300d\u3001CLS 0.1\u301c0.25\u3067\u300c\u6539\u5584\u304c\u5fc5\u8981\u300d\u30010.25\u3092\u8d85\u3048\u308b\u3068\u300c\u60aa\u3044\u300d\u3068\u3044\u3063\u305f\u5224\u5b9a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><span id=\"widthheight-3\">\u5e83\u544a\u306a\u3069\u57cb\u3081\u8fbc\u307f\u8981\u7d20\u306bwidth\u3084height\u306e\u6307\u5b9a\u306f\u3069\u3046\u3059\u308b\uff1f<\/span><\/h3>\n<p>\u5e83\u544a\u306a\u3069\u3092\u30b3\u30f3\u30c6\u30f3\u30c4\u5185\u306b\u8868\u793a\u3055\u305b\u3066\u3044\u308b\u969b\u306b\u3082width\u3084height\u306e\u6307\u5b9a\u304c\u7121\u3051\u308c\u3070\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4e88\u3081\u8868\u793a\u9818\u57df\u3092\u78ba\u4fdd\u3057\u3066\u304a\u304f\u5bfe\u5fdc\u304c\u5fc5\u8981\u3067\u3059\u3002<br \/>\nCSS\u306b\u3088\u308a\u8868\u793a\u9818\u57df\u3092\u78ba\u4fdd\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001\u4e88\u3081\u9ad8\u3055\u306e\u6700\u5c0f\u5024\u3092\u8a2d\u5b9a\u3059\u308b\u4e8b\u3067\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u3092\u9632\u3050\u3068\u3044\u3063\u305f\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span id=\"WebCLS\">Web\u30d5\u30a9\u30f3\u30c8\u8aad\u8fbc\u307f\u306b\u3088\u308bCLS\u6539\u5584\u306e\u65b9\u6cd5\u306f\uff1f<\/span><\/h3>\n<p>Web\u30d5\u30a9\u30f3\u30c8\u306e\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3068\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u539f\u56e0\u3067CLS\u30b9\u30b3\u30a2\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\nFOIT\uff08Flash of invisible text\uff09\u3001FOUT\uff08Flash of unstyled text\uff09\u3068\u3044\u3063\u305f\u73fe\u8c61\u304cCLS\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002<\/p>\n<table>\n<tbody>\n<tr>\n<th>FOIT\uff08Flash of invisible text\uff09<\/th>\n<td>\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u6642\u306b\uff08\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\uff09\u30c6\u30ad\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u73fe\u8c61<\/td>\n<\/tr>\n<tr>\n<th>FOUT\uff08Flash of unstyled text\uff09<\/th>\n<td>\u30d5\u30a9\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u6642\u306b\u30d5\u30a9\u30f3\u30c8\u306e\u5165\u308c\u66ff\u308f\u308a\u306b\u3088\u308a\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\u304c\u751f\u3058\u308b\u73fe\u8c61<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Web\u30d5\u30a9\u30f3\u30c8\u306eFOIT\uff0fFOUT\u73fe\u8c61\u3092\u6539\u5584\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u306f\u3001html\u30d5\u30a1\u30a4\u30eb\u5185\u306b\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u8a18\u8f09\u3059\u308b\u3068\u3044\u3063\u305f\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><code><\/code><\/p>\n<p><code><\/code><\/p>\n<p><code><\/p>\n<ol style=\"list-style:decimal-leading-zero outside;in-left:0;padding-left:36px;margin:0;background-color:#EEF;color:#000;\">\n<li style=\"background-color:#EFF;\">&lt;link rel=\"preload\" href=\"\/typefesse.woff2\" as=\"font\" type=\"font\/woff2\" crossorigin \/&gt;<\/li>\n<\/ol>\n<p><\/code><code><\/code><code><\/code><br \/>\n<b>\u300clink rel=preload\u300d<\/b>\u3092header\u5185\u306b\u8a18\u8f09\u3059\u308b\u4e8b\u3067\u30d5\u30a9\u30f3\u30c8\u306e\u5148\u8aad\u307f\u3092\u6307\u793a\u3059\u308b\u3068\u3044\u3063\u305f\u65b9\u6cd5\u3067\u3059\u3002\u300clink rel=preload\u300d\u306fcss\u306e\u524d\u306b\u8a18\u8f09\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305f\u3001crossorigin\u3068\u306f\u3001\u5225\u306e\u30c9\u30e1\u30a4\u30f3\u304b\u3089\u8aad\u8fbc\u307f\u3092\u3059\u308b\u969b\u306b\u8a18\u8f09\u3059\u308b\u5c5e\u6027\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u540c\u3058\u30b5\u30fc\u30d0\u30fc\u5185\u304b\u3089\u306e\u8aad\u8fbc\u3067\u3042\u3063\u3066\u3082\u8a18\u8f09\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3><span id=\"i-3\">\u307e\u3068\u3081<\/span><\/h3>\n<p>\u3054\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306b\u3001\u300c\u753b\u50cf\u8981\u7d20\u3067 width \u3068 height \u304c\u660e\u793a\u7684\u306b\u6307\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u300d\u3068\u3044\u3046\u9805\u76ee\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5bfe\u8c61\u30da\u30fc\u30b8\u5185\u306eimg\u30bf\u30b0\u306bwidth\u3068height\u3092\u6307\u5b9a\u3057\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u904b\u7528\u6b74\u304c\u9577\u3051\u308c\u3070\u9577\u3044\u307b\u3069\u4f5c\u696d\u91cf\u304c\u591a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30b3\u30c4\u30b3\u30c4\u3068\u6539\u5584\u3057CLS\u3092\u5408\u683c\u5024\u306b\u8fd1\u3065\u3051\u307e\u3057\u3087\u3046\u3002<br \/>\n<!-- FAQ start--><\/p>\n<h2 class=\"h2_title\">\u753b\u50cf\u8981\u7d20\u306ewidth\u30fbheight\u6307\u5b9a\u3068CLS\u6539\u5584\u306b\u95a2\u3059\u308b\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<div class=\"faq-accordion\" id=\"faqAccordion\">\n<div class=\"faq-item\">\n<div class=\"faq-question\">\n      Q1: \u306a\u305c\u753b\u50cf\u8981\u7d20\u306bwidth\u3068height\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3067\u3059\u304b\uff1f<br \/>\n<span class=\"faq-icon\">\uff0b<\/span><\/div>\n<div class=\"faq-answer\">\n      \u753b\u50cf\u306bwidth\u3068height\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u30d6\u30e9\u30a6\u30b6\u304c\u753b\u50cf\u306e\u8868\u793a\u9818\u57df\u3092\u4e8b\u524d\u306b\u78ba\u4fdd\u3067\u304d\u3001\u8aad\u307f\u8fbc\u307f\u6642\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\uff08CLS\uff09\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3084SEO\u8a55\u4fa1\u306e\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">\n      Q2: width\u3084height\u3092\u6307\u5b9a\u3057\u306a\u3044\u3068\u3069\u3093\u306a\u554f\u984c\u304c\u8d77\u3053\u308a\u307e\u3059\u304b\uff1f<br \/>\n<span class=\"faq-icon\">\uff0b<\/span><\/div>\n<div class=\"faq-answer\">\n      \u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u524d\u306b\u30b5\u30a4\u30ba\u304c\u78ba\u5b9a\u3057\u306a\u3044\u305f\u3081\u3001\u4ed6\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u305a\u308c\u3066\u8868\u793a\u3055\u308c\u308b\u300c\u30ec\u30a4\u30a2\u30a6\u30c8\u30b7\u30d5\u30c8\uff08CLS\uff09\u300d\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30da\u30fc\u30b8\u306e\u898b\u305f\u76ee\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30b9\u30c8\u30ec\u30b9\u3084SEO\u30b9\u30b3\u30a2\u4f4e\u4e0b\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">\n      Q3: \u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u306e\u5834\u5408\u3082width\u3068height\u306f\u6307\u5b9a\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<br \/>\n<span class=\"faq-icon\">\uff0b<\/span><\/div>\n<div class=\"faq-answer\">\n      \u306f\u3044\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u306e\u5834\u5408\u3082width\u3068height\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002CSS\u3067max-width\u3084height:auto\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u6307\u5b9a\u3057\u305f\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3092\u4fdd\u3063\u305f\u307e\u307e\u67d4\u8edf\u306b\u30b5\u30a4\u30ba\u8abf\u6574\u304c\u53ef\u80fd\u3067\u3059\u3002<\/div>\n<\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">\n      Q4: \u65e2\u5b58\u306e\u753b\u50cf\u306bwidth\u3068height\u3092\u4e00\u62ec\u3067\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<br \/>\n<span class=\"faq-icon\">\uff0b<\/span><\/div>\n<div class=\"faq-answer\">\n      \u30b5\u30a4\u30c8\u306e\u898f\u6a21\u306b\u3088\u308a\u307e\u3059\u304c\u3001CMS\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u753b\u50cf\u4e00\u62ec\u7de8\u96c6\u30c4\u30fc\u30eb\u3001HTML\u306e\u81ea\u52d5\u5909\u63db\u30b9\u30af\u30ea\u30d7\u30c8\u306a\u3069\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u52b9\u7387\u7684\u306b\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002\u624b\u4f5c\u696d\u306e\u5834\u5408\u306f\u753b\u50cf\u306e\u5b9f\u30b5\u30a4\u30ba\u3092\u78ba\u8a8d\u3057\u306a\u304c\u3089\u8a18\u8ff0\u3057\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n<div class=\"faq-item\">\n<div class=\"faq-question\">\n      Q5: width\u3084height\u3092\u6307\u5b9a\u3057\u3066\u3082CLS\u304c\u6539\u5584\u3057\u306a\u3044\u5834\u5408\u306f\uff1f<br \/>\n<span class=\"faq-icon\">\uff0b<\/span><\/div>\n<div class=\"faq-answer\">\n      \u4ed6\u306b\u3082\u5e83\u544a\u3084\u57cb\u3081\u8fbc\u307f\u8981\u7d20\u3001Web\u30d5\u30a9\u30f3\u30c8\u306a\u3069\u304c\u539f\u56e0\u3067CLS\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002PageSpeed Insights\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3067\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3001\u5404\u8981\u7d20\u306b\u9069\u5207\u306a\u30b5\u30a4\u30ba\u6307\u5b9a\u3084CSS\u8abf\u6574\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n<\/div>\n<p><!-- FAQ end--><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google\u304cCore Web Vitals\uff08\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb\uff09\u3068\u3044\u3046\u6307\u6a19\u3092\u691c\u7d22\u30e9\u30f3\u30ad\u30f3\u30b0\u8981\u56e0\u306b\u7d44\u307f\u8fbc\u3080\u3068\u767a\u8868\u3057\u305f\u4e8b\u304b\u3089\u3001Google\u306ePage Speed Insights\u3092\u6d3b\u7528\u3057\u3001\u30da\u30fc\u30b8\u306e\u6539\u5584\u306b\u53d6\u308a\u7d44\u307e\u308c\u3066\u3044\u308b 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