{"id":498,"date":"2021-01-13T15:52:36","date_gmt":"2021-01-13T06:52:36","guid":{"rendered":"https:\/\/www.te9te9.com\/?p=498"},"modified":"2021-01-15T11:00:10","modified_gmt":"2021-01-15T02:00:10","slug":"cls%e3%82%92%e6%94%b9%e5%96%84%e3%81%97%e3%81%a6seo%e5%af%be%e7%ad%96","status":"publish","type":"post","link":"https:\/\/www.te9te9.com\/?p=498","title":{"rendered":"CLS\u3092\u6539\u5584\u3057\u3066SEO\u5bfe\u7b56"},"content":{"rendered":"\n<p>\u30b3\u30a2\u30a6\u30a7\u30d6\u30d0\u30a4\u30bf\u30eb\uff08Core Web Vitals\uff09\u306fGoogle\u306eUX\u6307\u6a19\u3068\u3057\u3066SEO\u306a\u3069\u306e\u30da\u30fc\u30b8\u8a55\u4fa1\u3067\u91cd\u8996\u3055\u308c\u308b\u6307\u6a19\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30a2\u30a6\u30a8\u30d6\u30d0\u30a4\u30bf\u30eb\u306f\u300cLCP\u300d\u300cFID\u300d\u300cCLS\u300d\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u306eCLS\u306b\u3064\u3044\u3066\u3053\u306e\u30da\u30fc\u30b8\u3067\u306f\u53d6\u308a\u6271\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>CLS\uff08Cumulative Layout Shift\uff09\u306f\u3001\u4e00\u5ea6\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u305f\u5f8c\u306b\u4f55\u3089\u304b\u306e\u8981\u56e0\u306b\u3088\u308a\u3001\u518d\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u3066\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u4f4d\u7f6e\u30ba\u30ec\u3092\u6570\u5024\u5316\u3057\u3066\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u30dc\u30bf\u30f3\u3092\u62bc\u305d\u3046\u3068\u3057\u305f\u3089\u3001\u4e0a\u306e\u753b\u50cf\u304c\u8aad\u307f\u8fbc\u307e\u308c\u3066\u4f4d\u7f6e\u304c\u305a\u308c\u3066\u5e83\u544a\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3057\u307e\u3063\u305f\u3053\u3068\u306a\u3069\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f\u305d\u306e\u3088\u3046\u306aUX\u306e\u4f4e\u4e0b\u3092\u8a08\u6e2c\u3057\u3066\u6307\u6a19\u5316\u3059\u308b\u306e\u304cCLS\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e3b\u306a\u8981\u56e0\u306f\u3001\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u672a\u6307\u5b9a\u3001\u753b\u50cf\u8aad\u307f\u8fbc\u307f\u3001JavaScript\u3067DOM\u306e\u633f\u5165\u3084DOM\u30b5\u30a4\u30ba\u306e\u6307\u5b9a\u306a\u3069\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u305d\u306e\u4e2d\u3067\u3082\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306e\u30b5\u30a4\u30c8\u306e\u753b\u50cf\u306b\u3064\u3044\u3066\u3092\u4e3b\u306b\u6271\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>\u307e\u305a\u753b\u50cf\u30b5\u30a4\u30ba\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u305d\u308c\u306f\u3069\u3046\u3084\u308b\u306e\u304b\u3068\u3044\u3046\u3068\u3001\u6614\u306a\u304c\u3089\u306e\u30bf\u30b0\u306b\u76f4\u66f8\u304d\u306ewidth\u3068height\u306e\u8868\u8a18\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">&lt;img src=<span class=\"hljs-string\">\"\/images\/test.jpg\"<\/span> &lt;span <span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span><\/span>=<span class=\"hljs-string\">\"has-inline-color has-accent-color\"<\/span>&gt;width=<span class=\"hljs-string\">\"400\"<\/span> height=<span class=\"hljs-string\">\"300\"<\/span>&lt;<span class=\"hljs-regexp\">\/span&gt;&gt;<\/span><\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3053\u306e\u5024\u306f\u5143\u306e\u753b\u50cf\u306e\u5927\u304d\u3055\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3067\u753b\u50cf\u8aad\u307f\u8fbc\u307f\u306b\u3088\u308bCLS\u306e\u5897\u52a0\u306f\u9632\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306b\u3001\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u6642\u306e\u6307\u5b9a\u306e\u4ed5\u65b9\u3067\u3059\u3002<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">&lt;img src=<span class=\"hljs-string\">\"\/images\/space.png\"<\/span> data-original=<span class=\"hljs-string\">\"\/images\/test.jpg\"<\/span> width=<span class=\"hljs-string\">\"400\"<\/span> height=<span class=\"hljs-string\">\"300\"<\/span> <span class=\"hljs-class\"><span class=\"hljs-keyword\">class<\/span><\/span>=<span class=\"hljs-string\">\"lazy\"<\/span>&gt;<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p>\u3053\u3053\u3067\u306f\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306b\u3088\u304f\u7528\u3044\u3089\u308c\u308blazy loader\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3092\u4f8b\u306b\u3057\u3066\u8a18\u8ff0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5148\u307b\u3069\u3068\u540c\u3058\u304f\u3001\u30bf\u30b0\u306b\u76f4\u66f8\u304d\u3067width\u3068height\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br>\u305d\u3057\u3066\u3001\u3053\u3053\u3067src\u3067\u8aad\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u300c\/images\/space.png\u300d\u306b\u3064\u3044\u3066\u3067\u3059\u304c\u3001\u3053\u306e\u753b\u50cf\u306f\u5f8c\u304b\u3089\u8aad\u307f\u8fbc\u307e\u308c\u308b\u300c\/images\/test.jpg\u300d\u3068\u540c\u3058\u30b5\u30a4\u30ba\u306e\u753b\u50cf\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3044\u3061\u3044\u3061\u30b9\u30da\u30fc\u30b5\u30fc\u753b\u50cf\u3092\u30b5\u30a4\u30ba\u3054\u3068\u306b\u4f5c\u6210\u3059\u308b\u306e\u306f\u3081\u3093\u3069\u304f\u3055\u3044\u306e\u3067\u3001\u79c1\u306e\u4f5c\u6210\u3057\u305f\u7c21\u5358\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7f6e\u3044\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p><a href=\"\/files\/spacer.zip\">\u30b9\u30da\u30fc\u30b5\u30fc\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc<\/a><\/p>\n\n\n\n<p>\u30b9\u30da\u30fc\u30b5\u30fc\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u306f\u30c9\u30e1\u30a4\u30f3\u306e\u30eb\u30fc\u30c8\u4e0a\u306eimages\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306bspacer\u30d5\u30a9\u30eb\u30c0\u30fc\u3054\u3068\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3068\u8a2d\u5b9a\u4e0d\u8981\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002spacer\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3078\u306f\u66f8\u304d\u8fbc\u307f\u6a29\u9650\u3092\u4ed8\u4e0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u5927\u3057\u305f\u3082\u306e\u3067\u306f\u306a\u3044\u3067\u3059\u304c\u3001\u518d\u914d\u5e03\u306f\u3054\u9060\u616e\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b9\u30da\u30fc\u30b5\u30fc\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u4f7f\u7528\u4f8b<\/h2>\n\n\n\n<pre class=\"wp-block-preformatted\">https:\/\/www.hogehoge.com\/images\/spacer\/300x120.png<\/pre>\n\n\n\n<p>\u306e\u69d8\u306b\u547c\u3073\u51fa\u3059\u3053\u3068\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u306b\u5bfe\u5fdc\u3059\u308b<\/h2>\n\n\n\n<p>\u5148\u307b\u3069\u306eimg\u30bf\u30b0\u306e\u30b3\u30fc\u30c9\u306bmax-width:100%;\u3068\u30b9\u30bf\u30a4\u30eb\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30b5\u30a4\u30c8\u306e\u753b\u50cf\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3067\u3082CLS\u8a55\u4fa1\u306e\u4f4e\u4e0b\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;style&gt;img {max-width:100%;}&lt;\/style&gt;\n&lt;img src=\"\/images\/space.png\" data-original=\"\/images\/test.jpg\" width=\"400\" height=\"300\" class=\"lazy\"&gt;<\/pre>\n\n\n\n<p>\u6700\u5f8c\u306bimg\u30bf\u30b0\u306b\u30b6\u30af\u3063\u3068\u6700\u5927\u30b5\u30a4\u30ba\u3092100%\u306b\u6307\u5b9a\u3057\u305f\u30b3\u30fc\u30c9\u3092\u8f09\u305b\u3066\u7d42\u308f\u308a\u306b\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u7686\u69d8\u306eSEO\u306b\u8ca2\u732e\u3067\u304d\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b3\u30a2\u30a6\u30a7\u30d6\u30d0\u30a4\u30bf\u30eb\uff08Core Web Vitals\uff09\u306fGoogle\u306eUX\u6307\u6a19\u3068\u3057\u3066SEO\u306a\u3069\u306e\u30da\u30fc\u30b8\u8a55\u4fa1\u3067\u91cd\u8996\u3055\u308c\u308b\u6307\u6a19\u306e\u4e00\u3064\u3067\u3059\u3002 \u30b3\u30a2\u30a6\u30a8\u30d6\u30d0\u30a4\u30bf\u30eb\u306f\u300cLCP\u300d\u300cFID\u300d\u300cCLS\u300d\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u4e2d\u306eCLS\u306b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4,16,14],"tags":[],"class_list":["post-498","post","type-post","status-publish","format-standard","hentry","category-html","category-seo","category-14"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.te9te9.com\/index.php?rest_route=\/wp\/v2\/posts\/498","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.te9te9.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.te9te9.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.te9te9.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.te9te9.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=498"}],"version-history":[{"count":5,"href":"https:\/\/www.te9te9.com\/index.php?rest_route=\/wp\/v2\/posts\/498\/revisions"}],"predecessor-version":[{"id":516,"href":"https:\/\/www.te9te9.com\/index.php?rest_route=\/wp\/v2\/posts\/498\/revisions\/516"}],"wp:attachment":[{"href":"https:\/\/www.te9te9.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.te9te9.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.te9te9.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}