{"id":3599,"date":"2024-01-18T19:00:00","date_gmt":"2024-01-18T10:00:00","guid":{"rendered":"https:\/\/zeoninc.com\/blog\/?p=3599"},"modified":"2024-01-18T13:39:07","modified_gmt":"2024-01-18T04:39:07","slug":"january3","status":"publish","type":"post","link":"https:\/\/zeoninc.com\/blog\/2024\/01\/18\/january3\/","title":{"rendered":"CLS\u5bfe\u7b56\u306f\u5927\u5909\u3068\u3044\u3046\u304a\u8a71"},"content":{"rendered":"\n

\u3053\u3093\u306b\u3061\u306f\u3001\u65e5\u3005WEB\u306e\u304a\u4ed5\u4e8b\u3067\u60aa\u6226\u82e6\u95d8\u3057\u3066\u3044\u308b\u30b9\u30bf\u30c3\u30d5TN\u3067\u3059\u3002
\u65b0\u3057\u3044\u4e8b\u304c\u76ee\u307e\u3050\u308b\u3057\u3044\u30b9\u30d4\u30fc\u30c9\u3067\u9032\u3093\u3067\u3044\u304f\u3053\u306e\u696d\u754c\u3001\u65e5\u3005\u7cbe\u9032\u3092\u5fc3\u304c\u3051\u3066\u304a\u308a\u307e\u3059\u304c\u3001\u65b0\u3057\u3044\u6280\u8853\u306b\u7ffb\u5f04\u3055\u308c\u300c\u305d\u3093\u306a\u306e\u51fa\u6765\u306a\u304f\u3066\u3082\u56f0\u3089\u306a\u3044\u3057\u3001\u4ed6\u306e\u65b9\u6cd5\u304c\u3042\u308b\u3057\u2026\u300d\u3068\u73fe\u5b9f\u304b\u3089\u76ee\u3092\u80cc\u3051\u3001\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u6642\u306f\u3053\u308c\u898b\u3088\u304c\u3057\u306b\u30a2\u30d4\u30fc\u30eb\uff01
\u4f55\u3060\u304b\u3093\u3060\u3001\u597d\u304d\u306a\u4e16\u754c\u3067\u306e\u304a\u4ed5\u4e8b\u306f\u697d\u3057\u3044\u3082\u306e\u3067\u3059\u266a<\/p>\n\n\n\n

\u4eca\u56de\u306f\u6700\u8fd1\u5b9f\u88c5\u3057\u305f\u30d5\u30ed\u30f3\u30c8\u307e\u308f\u308a\u306e\u304a\u4ed5\u4e8b\u306b\u3064\u3044\u3066\u3001\u73fe\u5834\u8996\u70b9\u3067\u306e\u610f\u898b\u3068\u82e6\u52b4\u3092\u8ff0\u3079\u3055\u305b\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

CLS\u5bfe\u7b56\u306f\u5927\u5909\u3068\u3044\u3046\u304a\u8a71<\/h2>\n\n\n\n

\u65b0\u3057\u3044\u7269\u306b\u306f\u65b0\u3057\u3044\u53d6\u308a\u7d44\u307f\u304c\u5fc5\u8981\u3067\u3001\u3044\u308d\u3093\u306a\u7269\u306e\u3042\u308a\u65b9\u304c\u5909\u308f\u3063\u3066\u304d\u307e\u3059\u3002
\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3082\u305d\u306e\u4e00\u3064\u3067\u3001\u767b\u5834\u3068\u5171\u306b\u591a\u304f\u306e\u4ed5\u7d44\u307f\u3084\u3042\u308a\u65b9\u3092\u5909\u3048\u3066\u304d\u307e\u3057\u305f\u3002
\u30b9\u30de\u30db\u306e\u5229\u70b9\u306e\u4e00\u3064\u306f\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u643a\u5e2f\u7aef\u672b\u304b\u3089\u7c21\u5358\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3068\u3044\u3046\u70b9\u3067\u3059\u304c\u3001
\u3053\u308c\u306b\u3088\u308a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30fbWEB\u30b5\u30a4\u30c8\u306e\u4e16\u754c\u3082\u30b9\u30de\u30db\u306b\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3092\u4f59\u5100\u306a\u304f\u3055\u308c\u3001\u69d8\u3005\u306a\u65b0\u3057\u3044\u30eb\u30fc\u30eb\u304c\u52a0\u3048\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u3055\u3066\u3001\u30d5\u30ed\u30f3\u30c8\u307e\u308f\u308a\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u3055\u3093\u306b\u3068\u3063\u3066\u3042\u305f\u308a\u524d\u3068\u306a\u308a\u307e\u3057\u305f\u300cCore Web Vitals\u300d\u3000
\u3053\u308c\u3082\u30b9\u30de\u30db\u3067\u306eWEB\u30b5\u30a4\u30c8\u6700\u9069\u5316\u3092\u76ee\u7684\u306bSEO\u306e\u6307\u6a19\u3068\u3057\u3066\u52a0\u308f\u308a\u307e\u3057\u305f\u3002
\u4eca\u56de\u306fCore Web Vitals\u306e\u4e00\u3064\u306e\u6307\u6a19\u3001CLS\u306e\u5bfe\u7b56\u304c \u9762\u5012\u304f\u3055\u3044<\/s> \u5927\u5909\u3060\u3068\u3044\u3046\u304a\u8a71\u3067\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

CLS\u3063\u3066\u4f55\uff1f<\/h2>\n\n\n\n

CLS\u306fCumulative Layout Shift\u306e\u7565\u3067\u3001\u30da\u30fc\u30b8\u3092\u8aad\u307f\u8fbc\u307f\u306a\u304c\u3089\u8d77\u3053\u308a\u5f97\u308b\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ba\u30ec\u3092\u30b9\u30b3\u30a2\u30ea\u30f3\u30b0\u3057\u3066\u3044\u307e\u3059\u3002
\u7686\u3055\u3093\u3082\u4e00\u5ea6\u306f\u7d4c\u9a13\u3057\u305f\u3053\u3068\u3042\u308b\u306e\u3067\u306f\u7121\u3044\u3067\u3057\u3087\u3046\u304b\uff1f\u30e1\u30cb\u30e5\u30fc\u30dc\u30bf\u30f3\u3092\u30bf\u30c3\u30d7\u3057\u3088\u3046\u3068\u3057\u305f\u3089\u3001
\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u3067\u4f4d\u7f6e\u304c\u30ba\u30ec\u3066\u9055\u3046\u6240\u3092\u30bf\u30c3\u30d7\u3057\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u73fe\u8c61\u3002<\/u>
\u3053\u308c\u3092\u56de\u907f\u3059\u308b\u306e\u304c\u76ee\u7684\u306e\u6307\u6a19\u3067\u3059\u3002
\u30b9\u30b3\u30a2\u304c\u826f\u3044\u307b\u3069\u3000\u4f4d\u7f6e\u304c\u30ba\u30ec\u306a\u3044\uff1d\u8aa4\u30bf\u30c3\u30d7\u56de\u907f
\u3064\u307e\u308a\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u89aa\u5207\u3067\u826f\u8ceaWEB\u30da\u30fc\u30b8\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u305d\u3082\u305d\u3082\u4f55\u6545\u30ec\u30a4\u30a2\u30a6\u30c8\u5d29\u308c\u304c\u8d77\u3053\u308b\u306e\u304b\uff1f<\/h2>\n\n\n\n

WEB\u30da\u30fc\u30b8\u306f\u5148\u982d\u304b\u3089\u8aad\u307f\u8fbc\u307f\u6700\u5f8c\u307e\u3067\u8aad\u307f\u5207\u3063\u3066\u304b\u3089\u8868\u793a\u3055\u308c\u3001\u91cd\u3044\u51e6\u7406\u304c\u3042\u308b\u3068\u30da\u30fc\u30b8\u306e\u8868\u793a\u307e\u3067\u306b\u6642\u9593\u304c\u639b\u304b\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002
\u3053\u308c\u3092\u56de\u907f\u3059\u308b\u305f\u3081\u306b\u975e\u540c\u671f\u51e6\u7406\u3068\u8a00\u3063\u3066\u3001\u91cd\u3044\u51e6\u7406\u306f\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u3068\u306f\u5225\u3067\u51e6\u7406\u3057\u307e\u3057\u3087\u3046\u3068\u3044\u3046\u624b\u6cd5<\/u>\u304c\u7528\u3044\u3089\u308c\u307e\u3059\u3002
\u3057\u304b\u3057\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u5b8c\u4e86\u5f8c\u306b\u8aad\u307f\u8fbc\u307f\u51e6\u7406\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u4ed6\u306e\u8981\u7d20\u304c\u30da\u30fc\u30b8\u306b\u8868\u793a\u3055\u308c\u308b\u4e8b\u306b\u306a\u308b\u306e\u3067\u3001
\u3053\u308c\u304c\u539f\u56e0\u3067\u5404\u8981\u7d20\u306e\u8868\u793a\u4f4d\u7f6e\u304c\u30ba\u30ec\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

CLS\u5bfe\u7b56\u3068\u3057\u3066\u975e\u540c\u671f\u51e6\u7406\u3067\u8aad\u307f\u8fbc\u3080\u8981\u7d20\u306e\u9ad8\u3055\u3092\u4e8b\u524d\u306b\u660e\u78ba\u306b\u3057\u3066\u304a\u304f<\/h2>\n\n\n\n

\u3067\u306f\u3069\u306e\u3088\u3046\u306b\u4f4d\u7f6e\u30ba\u30ec\u5bfe\u7b56\u3092\u3059\u308b\u304b\u3068\u3044\u3046\u3068\u3001\u8981\u7d20\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u4f4d\u7f6e\u306b\u9ad8\u3055\u3092\u8a2d\u5b9a\u3092\u3057\u3066\u304a\u3051\u3070OK\u3067\u3059\u3002<\/p>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n


\u3058\u3083\u3042\u7c21\u5358\u3058\u3083\u3093\uff01<\/strong><\/p>\n\n\n\n


\u3068\u601d\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3088\u306d\u3002\u3068\u3053\u308d\u304c\u3053\u308c\u304c\u304b\u306a\u308a\u5384\u4ecb\u306a\u3093\u3067\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u52d5\u7684\u8981\u7d20\u3068\u76f8\u6027\u306e\u60aa\u3044CLS<\/h2>\n\n\n
\n
\"\"<\/figure><\/div>\n\n\n

\u8868\u793a\u304c\u9045\u3044\u8981\u7d20\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u4f55\u304b\u3057\u3089\u306e\u51e6\u7406\u304c\u5fc5\u8981\u306a\u60c5\u5831\u3067\u3042\u3063\u305f\u308a\u3001\u753b\u50cf\u3084\u52d5\u753b\u306a\u3069\u3001\u305d\u3082\u305d\u3082\u5bb9\u91cf\u304c\u5927\u304d\u3044\u3082\u306e\u306a\u3069\u306b\u306a\u308b\u306e\u3067\u3059\u304c\u3001
\u52d5\u7684\u30da\u30fc\u30b8\u3067\u306f\u3053\u308c\u3089\u306e\u8981\u7d20\u304c\u30d7\u30ed\u30b0\u30e9\u30e0\u7684\u306b\u51fa\u529b\u3055\u308c\u308b\u308f\u3051\u3067\u3001\u5b9a\u307e\u3063\u305f\u9ad8\u3055\u3092\u6307\u5b9a\u3059\u308b\u306e\u304c\u5384\u4ecb\u306a\u5834\u9762\u304c\u591a\u3005\u3042\u308a\u307e\u3059\u3002<\/u>
\u6587\u5b57\u8981\u7d20\u3067\u3042\u308c\u3070\u3001\u3042\u3089\u304b\u3058\u3081\u9ad8\u3055\u3092\u6c7a\u3081\u3001\u305d\u306e\u7bc4\u56f2\u5185\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u51fa\u529b\u3055\u308c\u308b\u3088\u3046\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3057\u3001
\u753b\u50cf\u30fb\u52d5\u753b\u3067\u3042\u308c\u3070\u51fa\u529b\u524d\u306b\u8981\u7d20\u306e\u9ad8\u3055\u3092\u30da\u30fc\u30b8\u5074\u306b\u4f1d\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001
\u60c5\u5831\u3092\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067\u30c7\u30fc\u30bf\u3068\u3057\u3066\u6301\u3063\u3066\u304a\u304f\u4e8b\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

<\/p>\n\n\n\n

\u4eca\u56de\u306f\u52d5\u753b\u8868\u793a\u306b\u5b9f\u88c5\u3057\u3066\u307f\u307e\u3057\u305f<\/h2>\n\n\n\n

\u4eca\u56de\u306f\u30b5\u30fc\u30c1\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u8b66\u544a\u304c\u51fa\u3066\u3044\u305f\u52d5\u753b\u306bCLS\u5bfe\u7b56\u3092\u65bd\u3057\u3066\u307f\u307e\u3057\u305f\u3002
\u307e\u305a\u306f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u3067\u52d5\u753b\u306e\u30b5\u30a4\u30ba\u3092\u30c7\u30fc\u30bf\u4fdd\u6301\u3059\u308b\u4ed5\u69d8\u306b\u5909\u66f4\u3002
\u305d\u3057\u3066\u51fa\u529b\u5074\u3067\u3059\u304c\u3001\u4eca\u56de\u306fJavascript\u3067\u8981\u7d20\u306e\u9ad8\u3055\u3092\u64cd\u4f5c\u3059\u308b\u4e8b\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u6a2a\u5e45\u306f320px\u3067\u56fa\u5b9a\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30b5\u30fc\u30d0\u30fc\u5074\u306e\u30c7\u30fc\u30bf\u3092\u57fa\u306b\u7acb\u5e45\u3092\u8a08\u6e2c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u203b\u5927\u672c\u306e\u52d5\u753b\u30b5\u30a4\u30ba\u306f\u3000width:360px\u3000height:640px<\/p>\n\n\n\n

width = 360;
magnification = 320 \/ width;
height = 640 * magnification<\/p>\n\n\n\n

\u6b21\u306b\u8981\u7d20\u306e\u9ad8\u3055\u3092\u64cd\u4f5c<\/p>\n\n\n\n

const movie = document.getElementById(“movie”);
movie.style.height = height + ‘px’;<\/p>\n\n\n\n

\u3053\u308c\u3067\u30ec\u30a4\u30a2\u30a6\u30c8\u6642\u306e\u4f4d\u7f6e\u30ba\u30ec\u304c\u9632\u3052\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\uff01<\/strong><\/p>\n\n\n\n

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