{"id":582,"date":"2020-07-29T11:31:26","date_gmt":"2020-07-29T02:31:26","guid":{"rendered":"https:\/\/www.alta.co.jp\/blog\/?p=582"},"modified":"2021-09-09T11:56:57","modified_gmt":"2021-09-09T02:56:57","slug":"post-582","status":"publish","type":"post","link":"https:\/\/www.alta.co.jp\/blog\/post-582\/","title":{"rendered":"CLS\uff08Cumulative Layout Shift\uff09\u3092\u8a08\u6e2c\u3057\u3066\u307f\u305f\uff01"},"content":{"rendered":"\n<p>\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30a2\u30b7\u30e5\u30ea\u30fc\u3067\u3059\u3002<br>\u4eca\u65e5\u306f\u3001Core Web Vitals\u306e\u3072\u3068\u3064\u3067\u3042\u308bCLS\uff08Cumulative Layout Shift\uff09\u306e\u8a71\u3002<\/p>\n\n\n\n<h2>Core Web Vitals\u3068CLS\u3068\u306f<\/h2>\n\n\n\n<p>Core Web Vitals\u3068\u306f\u3001Web\u4e0a\u3067\u3088\u308a\u826f\u3044\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001Google\u304c\u8a2d\u5b9a\u3057\u305f\u300c\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306b\u307e\u3064\u308f\u308b\u54c1\u8cea\u300d\u306e\u6307\u6a19\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6307\u6a19\u306b\u306f\u300cLCP\u300d\u300cFID\u300d\u300cCLS\u300d\u306e3\u3064\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3>LCP<\/h3>\n\n\n\n<p>\u30da\u30fc\u30b8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u3069\u308c\u304f\u3089\u3044\u65e9\u304f\u8aad\u307f\u8fbc\u3081\u308b\u304b\u3001\u305d\u306e\u30b9\u30d4\u30fc\u30c9\u306b\u95a2\u3059\u308b\u6307\u6a19\u3002<\/p>\n\n\n\n<h3>FID<\/h3>\n\n\n\n<p>\u30da\u30fc\u30b8\u304c\u64cd\u4f5c\u53ef\u80fd\u306b\u306a\u308b\u307e\u3067\u306e\u6642\u9593\u306b\u95a2\u3059\u308b\u6307\u6a19\u3002<\/p>\n\n\n\n<h3>CLS<\/h3>\n\n\n\n<p>\u30da\u30fc\u30b8\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u4e88\u671f\u3057\u306a\u3044\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u305a\u308c\u304c\u3069\u308c\u304f\u3089\u3044\u3042\u308b\u304b\u306e\u6307\u6a19\u3002<\/p>\n\n\n\n<p>\u2026\u8a73\u3057\u304f\u306fGoogle Developers\u306e<a rel=\"noreferrer noopener\" href=\"https:\/\/developers-jp.googleblog.com\/2020\/05\/web-vitals.html\" target=\"_blank\">\u300eWeb Vitals \u306e\u6982\u8981: \u30b5\u30a4\u30c8\u306e\u5065\u5168\u6027\u3092\u793a\u3059\u91cd\u8981\u6307\u6a19\u300f<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2>CLS\u3092\u6e2c\u308b\uff01\u8abf\u3079\u308b\uff01<\/h2>\n\n\n\n<p>\u4eca\u56de\u306fGoogle Search Console\u3067CLS\u306b\u95a2\u3059\u308b\u554f\u984c\u304c\u691c\u51fa\u3055\u308c\u305f\u305f\u3081\u3001\u305d\u306e\u8abf\u67fb\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"424\" height=\"36\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-61.png\" alt=\"\" class=\"wp-image-583\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-61.png 424w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-61-300x25.png 300w\" sizes=\"(max-width: 424px) 100vw, 424px\" \/><\/figure>\n\n\n\n<h3><s>Chrome\u62e1\u5f35\u6a5f\u80fd\u3067\u7c21\u5358\u306b\u8abf\u3079\u308b<\/s><\/h3>\n\n\n\n<p><s>\u307e\u305a\u306f<a rel=\"noreferrer noopener\" href=\"https:\/\/chrome.google.com\/webstore\/detail\/web-vitals\/ahfhijdlegdabablpippeagghigmibma\" target=\"_blank\">Web Vitals\u3092\u7c21\u5358\u306b\u78ba\u8a8d\u3067\u304d\u308b\u62e1\u5f35\u6a5f\u80fd<\/a>\u3067\u3001\u30da\u30fc\u30b8\u306e\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/s><\/p>\n\n\n\n<h3>Chrome Dev Tools\u306eLighthouse\u3067\u7c21\u5358\u306b\u8abf\u3079\u308b<\/h3>\n\n\n\n<p class=\"has-whitesmoke-background-color has-background\">\u3053\u306e\u8a18\u4e8b\u3092\u66f8\u3044\u305f2020\u5e747\u6708\u6642\u70b9\u3067\u306f\u3001\u62e1\u5f35\u6a5f\u80fd\u3067\u8abf\u67fb\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u30012021\u5e746\u6708\u73fe\u5728\u306f\u62e1\u5f35\u6a5f\u80fd\u306a\u3057\u3067\u691c\u67fb\u3067\u304d\u307e\u3059\uff01<\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/developers.google.com\/web\/tools\/lighthouse?hl=ja\" target=\"_blank\">Chrome\u306e\u958b\u767a\u8005\u30c4\u30fc\u30eb\u306b\u3042\u308bLighthouse\u306e\u6a5f\u80fd<\/a>\u3067\u3001\u30da\u30fc\u30b8\u306e\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<p>CLS\u306fPerformance\u30ab\u30c6\u30b4\u30ea\u306b\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001Performance\u3060\u3051\u30c1\u30a7\u30c3\u30af\u3067\u5927\u4e08\u592b\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/06\/image-16.png\"><img loading=\"lazy\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/06\/image-16.png\" alt=\"\" class=\"wp-image-2152\" width=\"479\" height=\"191\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/06\/image-16.png 733w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/06\/image-16-300x120.png 300w\" sizes=\"(max-width: 479px) 100vw, 479px\" \/><\/a><\/figure>\n\n\n\n<p>\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u306f\u3001Cumulative Layout Shift\u306e\u9805\u76ee\u304c\u8d64\u8272\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<br>\u3053\u306e\u6570\u5b57\u304c0.1\u4ee5\u4e0b\u306b\u306a\u308b\u3053\u3068\u3092\u3081\u3056\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"749\" height=\"178\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/06\/image-15.png\" alt=\"\" class=\"wp-image-2151\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/06\/image-15.png 749w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/06\/image-15-300x71.png 300w\" sizes=\"(max-width: 749px) 100vw, 749px\" \/><\/figure>\n\n\n\n<p>2020\u5e747\u6708\u6642\u70b9\u3067\u306f\u3001CLS\u306b\u95a2\u3057\u30660.25\u3092\u8d85\u3048\u308b\u30da\u30fc\u30b8\u3092\u767a\u898b\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u30010.1\u4ee5\u4e0a\u306e\u30da\u30fc\u30b8\u3092\u898b\u3064\u3051\u305f\u306e\u3067\u3001\u4ee5\u4e0b\u306fCLS0.1\u4ee5\u4e0a\u306e\u30da\u30fc\u30b8\u3064\u3044\u3066\u8abf\u67fb\u3057\u305f\u5185\u5bb9\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"has-small-font-size\">\u203bCLS\u304c0.25\u3092\u8d85\u3048\u308b\u30da\u30fc\u30b8\u304c\u898b\u3064\u304b\u3089\u306a\u304b\u3063\u305f\u305f\u3081\u3001Google Search Console\u4e0a\u3067\u691c\u8a3c\u3092\u884c\u3063\u305f\u3068\u3053\u308d\u3001\u4fee\u6b63\u3057\u3066\u3044\u306a\u3044\u30da\u30fc\u30b8\u3082\u5408\u683c\u3057\u307e\u3057\u305f\u2026<\/p>\n\n\n\n<h3>Chrome DevTools\u3067CLS\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u6240\u3092\u63a2\u3059<\/h3>\n\n\n\n<p>CLS\u304c0.1\u3092\u8d85\u3048\u3066\u3044\u308b\u30da\u30fc\u30b8\u3067\u3001\u958b\u767a\u8005\u30c4\u30fc\u30eb\u3092\u4f7f\u3063\u3066CLS\u306e\u767a\u751f\u30dd\u30a4\u30f3\u30c8\u3092\u63a2\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h4>Lighthouse\u306e\u7d50\u679c\u306b\u3042\u308b[Show audits relevant to : CLS]\u3067\u898b\u308b<\/h4>\n\n\n\n<p>\u30b9\u30b3\u30a2\u306e\u4e0b\u306e\u3001\u753b\u9762\u30ad\u30e3\u30d7\u30c1\u30e3\u306e\u4e0b\u3042\u305f\u308a\u306b\u3053\u3093\u306a\u3082\u306e\u304c\u51fa\u3066\u3044\u308b\u306e\u3067\u300cCLS\u300d\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u4f55\u3092\u3057\u305f\u65b9\u304c\u826f\u3044\u304b\u306e\u30a2\u30c9\u30d0\u30a4\u30b9\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"634\" height=\"147\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/09\/image-25.png\" alt=\"\" class=\"wp-image-2636\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/09\/image-25.png 634w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2021\/09\/image-25-300x70.png 300w\" sizes=\"(max-width: 634px) 100vw, 634px\" \/><\/figure>\n\n\n\n<h4>Chrome DevTools\u306e[Perfomance]\u3067\u8a08\u6e2c\u3059\u308b<\/h4>\n\n\n\n<p>[Perfomance]\u30bf\u30d6\u3092\u958b\u3044\u3066\u3001\u30ea\u30ed\u30fc\u30c9\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u8a08\u6e2c\u3092\u306f\u3058\u3081\u3066\u307f\u307e\u3057\u3087\u3046<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"915\" height=\"591\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-64.png\" alt=\"\" class=\"wp-image-591\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-64.png 915w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-64-300x194.png 300w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-64-768x496.png 768w\" sizes=\"(max-width: 915px) 100vw, 915px\" \/><\/figure>\n\n\n\n<h4>Experience\u306e\u9805\u76ee\u3092\u78ba\u8a8d\u3059\u308b<\/h4>\n\n\n\n<p>\u8a08\u6e2c\u3055\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u60c5\u5831\u306e\u3046\u3061\u3001Timings\u306e\u4e0b\u306b\u300cExperience\u300d\u3068\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"has-small-font-size\">\u203b\u6761\u4ef6\u306b\u3088\u3063\u3066\u306fExperience\u304c\u8868\u793a\u3055\u308c\u307e\u305b\u3093\uff08<a href=\"#notshowingexp\">\u5f8c\u8ff0\u3057\u307e\u3059<\/a>\uff09<\/p>\n\n\n\n<p>Experience\u306e\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306e\u3069\u3053\u304b\u306b\u3001\u691c\u51fa\u3055\u308c\u3066\u3044\u308b\u3068\u3053\u308d\u304c\u3042\u308b\u306f\u305a\u306a\u306e\u3067\u3001\u8272\u306e\u3064\u3044\u3066\u3044\u308b\u3068\u3053\u308d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3059\u308b\u3068\u3001Summary\u304c\u4e0b\u306b\u8868\u793a\u3055\u308c\u3066\u300cLayout Shift\u300d\u3068\u8868\u793a\u3055\u308c\u308b\u306f\u305a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"914\" height=\"603\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-65.png\" alt=\"\" class=\"wp-image-589\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-65.png 914w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-65-300x198.png 300w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-65-768x507.png 768w\" sizes=\"(max-width: 914px) 100vw, 914px\" \/><\/figure>\n\n\n\n<p>Layout Shift\u304c\u691c\u51fa\u3055\u308c\u305f\u5f53\u305f\u308a\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u3069\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u304c\u305a\u308c\u305f\u306e\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"149\" height=\"127\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-66.png\" alt=\"\" class=\"wp-image-593\"\/><\/figure>\n\n\n\n<h2>Layout Shift\u3092\u9632\u3050\u306b\u306f\u2026\uff1f<\/h2>\n\n\n\n<p>\u8aad\u307f\u8fbc\u307f\u6642\u306b\u30da\u30fc\u30b8\u306e\u8868\u793a\u4f4d\u7f6e\u304c\u30ac\u30af\u30c3\u3068\u305a\u308c\u308b\u3068CLS\u306e\u5024\u304c\u60aa\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"599\" height=\"367\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-67.png\" alt=\"\" class=\"wp-image-595\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-67.png 599w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-67-300x184.png 300w\" sizes=\"(max-width: 599px) 100vw, 599px\" \/><figcaption>CLS\u306e\u5024\u304c\u60aa\u304f\u306a\u308b\u4f8b\uff1a\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u524d\u5f8c\u3067\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u4f4d\u7f6e\u304c\u305a\u308c\u308b<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u30ed\u30b4\u753b\u50cf\u3084\u30e1\u30a4\u30f3\u30d3\u30b8\u30e5\u30a2\u30eb\u306a\u3069\u306e\u753b\u50cf\u8aad\u307f\u8fbc\u307f\u6642\u306b\u8d77\u304d\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3092\u9632\u3050\u7c21\u5358\u306a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\uff01<\/p>\n\n\n\n<p><strong>img\u30bf\u30b0\u306bwidth \u3068 height\u3092\u8a2d\u5b9a\u3059\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"markup\" class=\"language-markup\">&lt;img src=\"\/img\/common\/header_logo.svg\" alt=\"LOGO\" width=\"170\" height=\"21\"&gt;<\/code><\/pre>\n\n\n\n<p>\u3059\u308b\u3068\u3001HTML\u3055\u3048\u8aad\u307f\u8fbc\u3081\u3066\u3044\u308c\u3070\u753b\u50cf\u306e\u305f\u3081\u306e\u9ad8\u3055\u304c\u78ba\u4fdd\u3055\u308c\u308b\u305f\u3081\u3001\u753b\u50cf\u8aad\u307f\u8fbc\u307f\u5f8c\u306e\u4f4d\u7f6e\u305a\u308c\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"has-small-font-size\">\u203b\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u5bfe\u5fdc\u306e\u5834\u5408\u3001HTML\u5074\u306b\u57fa\u672c\u306e\u30b5\u30a4\u30ba\u3092\u66f8\u3044\u305f\u3046\u3048\u3067\u3001CSS\u5074\u3067\u30b5\u30a4\u30ba\u306e\u8abf\u6574\u3092\u67d4\u8edf\u306b\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" width=\"590\" height=\"365\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-68.png\" alt=\"\" class=\"wp-image-596\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-68.png 590w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-68-300x186.png 300w\" sizes=\"(max-width: 590px) 100vw, 590px\" \/><\/figure><\/div>\n\n\n\n<p>\u4fee\u6b63\u3057\u3066\u304b\u3089\u3082\u3046\u4e00\u5ea6Chrome\u62e1\u5f35\u6a5f\u80fd\u3067Web Vitals\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 id=\"notshowingexp\">\u8a08\u6e2c\u3057\u3066\u3082Experience\u304c\u51fa\u306a\u3044\u3068\u304d\u306f\u2026\uff1f<\/h2>\n\n\n\n<p>Performance\u30bf\u30d6\u3067\u8a08\u6e2c\u3092\u884c\u3063\u3066\u3082\u3001Experience\u306e\u884c\u304c\u51fa\u3066\u3053\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"500\" height=\"201\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-69.png\" alt=\"\" class=\"wp-image-597\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-69.png 500w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-69-300x121.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<p>\u3053\u308c\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u56de\u7dda\u306e\u901f\u5ea6\u306a\u3069\u306b\u3088\u3063\u3066\u3001\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u305a\u308c\u3092\u691c\u51fa\u3067\u304d\u306a\u304b\u3063\u305f\u5834\u5408\u306b\u8d77\u3053\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3>\u56de\u7dda\u3092\u9045\u304f\u3057\u3066\u8868\u793a\u3055\u305b\u3066\u307f\u308b<\/h3>\n\n\n\n<p>performance\u30bf\u30d6\u306e\u4e2d\u306e\u53f3\u306e\u65b9\u306b\u3042\u308b\u6b6f\u8eca\u30de\u30fc\u30af\u3092\u62bc\u3059\u3068\u3001\u8a08\u6e2c\u6642\u306e\u74b0\u5883\uff08\u901a\u4fe1\u306e\u901f\u3055\u3084CPU\u306e\u982d\u306e\u826f\u3055\uff09\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>Web Vitals\u306e\u62e1\u5f35\u6a5f\u80fd\u3067\u306fCLS\u306b\u554f\u984c\u304c\u3067\u3066\u3044\u308b\u306e\u306b\u3001Experience\u304c\u78ba\u8a8d\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001<strong>Network\u306e\u90e8\u5206\u3092Fast 3G\u306b\u3057\u3066\u304b\u3089<\/strong>\u3001\u30ea\u30ed\u30fc\u30c9\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u3066\u8a08\u6e2c\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p class=\"has-small-font-size\">\u203bSlow 3G \u306f\u76f8\u5f53\u9045\u3044\u306e\u3067 Fast 3G\u3092\u9078\u3076\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"858\" height=\"141\" src=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-70.png\" alt=\"\" class=\"wp-image-598\" srcset=\"https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-70.png 858w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-70-300x49.png 300w, https:\/\/www.alta.co.jp\/blog\/wp-content\/uploads\/2020\/06\/image-70-768x126.png 768w\" sizes=\"(max-width: 858px) 100vw, 858px\" \/><\/figure>\n\n\n\n<h3>\u305d\u308c\u3067\u3082\u51fa\u306a\u3044\u3068\u304d\u306f\u2026\uff1f<\/h3>\n\n\n\n<p>\u540c\u3058\u30da\u30fc\u30b8\u3067\u4f55\u5ea6\u304b\u78ba\u8a8d\u3092\u7e70\u308a\u8fd4\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u51fa\u305f\u308a\u51fa\u306a\u304b\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>CLS\u304c0.9\uff5e1\u307b\u3069\u3042\u308b\u30da\u30fc\u30b8\u3067\u8a08\u6e2c\u3057\u3066\u3082Experience\u304c\u51fa\u306a\u3044\u3053\u3068\u3082\u3042\u308a\u307e\u3057\u305f\u306e\u3067\u3001\u3069\u3046\u3057\u3066\u3082Experience\u304c\u51fa\u306a\u3044\u6642\u306f\u3001\u76ee\u3067\u898b\u3066\u660e\u3089\u304b\u306b\u30ac\u30af\u30c3\u3068\u305a\u308c\u305f\u3068\u3053\u308d\u304b\u3089\u76f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<p>Experience\u304c\u51fa\u306a\u3044\u3001\u30ac\u30af\u30c3\u3068\u305a\u308c\u308b\u3068\u3053\u308d\u3082\u306a\u3044\u3001\u3068\u3044\u3046\u3068\u304d\u306b\u306f\u8a66\u3057\u306bGoogle Search Console\u4e0a\u3067\u691c\u8a3c\u3057\u306a\u304a\u3057\u3066\u307f\u308b\uff08\u534a\u6708\uff5e1\u304b\u6708\u304f\u3089\u3044\u304b\u304b\u308b\u3088\u3046\u3067\u3059\uff09\u306e\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002<br>\u624b\u3092\u52a0\u3048\u3066\u3044\u306a\u304f\u3066\u3082Google Search Console\u4e0a\u306e\u30a8\u30e9\u30fc\u304c\u6d88\u3048\u308b\u5834\u5408\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3069\u3053\u3082\u60aa\u304f\u306a\u3044\u306e\u306b\u3001Google Search Console\u304c\u6012\u3063\u3066\u3044\u308b\uff01\uff01 \u3068\u611f\u3058\u305f\u3089\u691c\u8a3c\u306e\u64cd\u4f5c\u3092\u884c\u3063\u3066\u69d8\u5b50\u3092\u3046\u304b\u304c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2>\u307e\u3068\u3081<\/h2>\n\n\n\n<ul><li>CLS\u306f\u30da\u30fc\u30b8\u5229\u7528\u306e\u5feb\u9069\u3055\u306b\u307e\u3064\u308f\u308b\u6307\u6a19\u306e\u4e00\u3064\u3067\u3001\u30da\u30fc\u30b8\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u4f4d\u7f6e\u304c\u3001\u30da\u30fc\u30b8\u95b2\u89a7\u4e2d\u306b\u3069\u308c\u304f\u3089\u3044\u30ba\u30ec\u308b\u304b\u3092\u8868\u3057\u305f\u3082\u306e<\/li><li>Google Chrome\u306e\u62e1\u5f35\u6a5f\u80fd\u3084DevTools\u306eperformance\u30bf\u30d6\u3067\u72b6\u6cc1\u78ba\u8a8d\u3067\u304d\u308b<\/li><li>\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u6642\u306bCLS\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u304c\u591a\u3044\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305aimg\u30bf\u30b0\u306bwidth\u3068height\u3092\u66f8\u3044\u3066\u307f\u308b\u306e\u304c\u5409<\/li><li>\u76f4\u3059\u3068\u3053\u308d\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u306e\u306bSearch Console\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3068\u304d\u306f\u3001\u691c\u8a3c\u306e\u64cd\u4f5c\u3060\u3051\u3057\u3066\u69d8\u5b50\u3092\u898b\u3066\u307f\u308b\u3068\u3088\u3055\u305d\u3046<\/li><\/ul>\n\r\n","protected":false},"excerpt":{"rendered":"<p>\u30de\u30fc\u30af\u30a2\u30c3\u30d7\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u30a2\u30b7\u30e5\u30ea\u30fc\u3067\u3059\u3002\u4eca\u65e5\u306f\u3001Core Web Vitals\u306e\u3072\u3068\u3064\u3067\u3042\u308bCLS\uff08Cumulative Layout Shift\uff09\u306e\u8a71\u3002 Core Web Vitals\u3068CLS\u3068\u306f Core Web V&#8230;<\/p>\n","protected":false},"author":2,"featured_media":589,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[83,84,85],"_links":{"self":[{"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/posts\/582"}],"collection":[{"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/comments?post=582"}],"version-history":[{"count":21,"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/posts\/582\/revisions"}],"predecessor-version":[{"id":2637,"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/posts\/582\/revisions\/2637"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/media\/589"}],"wp:attachment":[{"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/media?parent=582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/categories?post=582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alta.co.jp\/blog\/wp-json\/wp\/v2\/tags?post=582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}