{"id":11563,"date":"2021-08-23T06:30:28","date_gmt":"2021-08-22T21:30:28","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=11563"},"modified":"2022-03-16T06:04:51","modified_gmt":"2022-03-15T21:04:51","slug":"lazy-loading-images-above-the-fold-can-make-lcp-slower","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/lazy-loading-images-above-the-fold-can-make-lcp-slower\/","title":{"rendered":"Lazy-load\u306fLCP\u3092\u60aa\u5316\u3055\u305b\u308b!? WordPress\u306f2\u3064\u76ee\u306e\u753b\u50cf\u304b\u3089\u30cd\u30a4\u30c6\u30a3\u30d6Lazy-load\u3092\u5b9f\u88c5\u3059\u308b\u3088\u3046\u306b\u6539\u826f\u4e88\u5b9a"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n<p>\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u753b\u50cf\u3092 Lazy-load\uff08\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\uff09\u3059\u308b\u3068 <a href=\"https:\/\/www.suzukikenichi.com\/blog\/google-introduces-web-vitals\/\">\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb<\/a> \u306e 1 \u6307\u6a19\u3067\u3042\u308b LCP \u3092\u4f4e\u4e0b\u3055\u305b\u308b\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\u305d\u306e\u305f\u3081 WordPress \u306f\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u753b\u50cf\u306b<a href=\"https:\/\/web.dev\/browser-level-image-lazy-loading\/\">\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load<\/a> \u3092\u9069\u7528\u3057\u306a\u3044\u3088\u3046\u306b\u6539\u5584\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<p class=\"p60-b\">\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306f\u3001\u753b\u50cf\u306e <code>&lt;img&gt;<\/code> \u30bf\u30b0\u306b <code>loading=\"lazy\"<\/code> \u5c5e\u6027\u3092\u4ed8\u3051\u308b\u3053\u3068\u3067\u3001<a href=\"https:\/\/www.suzukikenichi.com\/blog\/chrome-76-supports-native-native-loading\/\">\u30d6\u30e9\u30a6\u30b6\u306e\u6a5f\u80fd\u3068\u3057\u3066\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3092\u5b9f\u73fe\u3059\u308b\u6280\u8853<\/a>\u3067\u3059\u3002<br \/>\u73fe\u5728\u306f\u3001<a href=\"https:\/\/caniuse.com\/loading-lazy-attr\">Chrome \u3084 Edge\u3001Firefox \u306a\u3069\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u304c\u30b5\u30dd\u30fc\u30c8<\/a>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u753b\u50cf\u3092\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3055\u305b\u305f WP \u306f LCP \u304c\u60aa\u5316<\/h2>\n<p>Lazy-load \u306e\u5229\u70b9\u306f\u3001\u30b9\u30af\u30ea\u30fc\u30f3\u9818\u57df\u306b\u5165\u3063\u3066\u3044\u306a\u3044\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u307e\u305b\u306a\u3044\u3053\u3068\u3067\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u91cf\u3092\u6291\u3048\u3089\u308c\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\u30b9\u30af\u30ea\u30fc\u30f3\u9818\u57df\u306b\u8fd1\u3065\u3044\u305f\u3068\u3053\u308d\u3067\u521d\u3081\u3066\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u3092\u59cb\u3081\u307e\u3059\u3002<br \/>\u7d50\u679c\u3068\u3057\u3066\u3001\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u3042\u308b\u753b\u50cf\u306f\u30da\u30fc\u30b8\u3092\u8868\u793a\u3059\u308b\u306e\u3068\u540c\u6642\u306b\u8aad\u307f\u8fbc\u307e\u305b\u3066\u3082\u666e\u901a\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u3080\u3057\u308d\u3001\u3059\u3050\u306b\u8aad\u307f\u8fbc\u307e\u305b\u306a\u3044\u3068\u753b\u50cf\u306e\u8868\u793a\u304c\u901a\u5e38\u3088\u308a\u3082\u9045\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p class=\"p30-t p30-b\">\u203b\u3059\u305a\u304d\u88dc\u8db3: \u300c\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u300d\u306f\u753b\u9762\u3092\u30b9\u30af\u30ed\u30fc\u30eb\u305b\u305a\u306b\u3001\u6700\u521d\u304b\u3089\u898b\u3048\u3066\u3044\u308b\u9818\u57df\u306e\u3053\u3068\u3002\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306f\u548c\u88fd\u82f1\u8a9e\u3067\u3001\u82f1\u8a9e\u3067\u306f \u201c<strong>Above the fold<\/strong>\u201d\uff08\u30a2\u30d0\u30d6\u30fb\u30b6\u30fb\u30d5\u30a9\u30fc\u30eb\u30c9\uff09\u3068\u8a00\u3046\u3002\u5bfe\u3057\u3066\u3001Above the fold \u3088\u308a\u3082\u4e0b\u306e\u9818\u57df\u3092 \u201c<strong>Below the fold<\/strong>\u201d\uff08\u30d3\u30ed\u30a6\u30fb\u30b6\u30fb\u30d5\u30a9\u30fc\u30eb\u30c9 \uff09\u3068\u8a00\u3046\u3002<\/p>\n<p><a href=\"https:\/\/www.suzukikenichi.com\/blog\/native-lazy-loading-images-is-coming-to-wordpress-5-5\/\">WordPress \u306f\u30d0\u30fc\u30b8\u30e7\u30f3 5.5 \u304b\u3089\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u5b9f\u88c5<\/a>\u3057\u307e\u3057\u305f\u3002<br \/>\u4f55\u3082\u3057\u306a\u304f\u3066\u3082\u3001WordPress \u306e\u6a19\u6e96\u6a5f\u80fd\u3068\u3057\u3066\u3001<code>&lt;img&gt;<\/code> \u30bf\u30b0\u306b <code>loading=\"lazy\"<\/code> \u3092\u81ea\u52d5\u3067\u8ffd\u52a0\u3057\u307e\u3059\uff08<code>width<\/code>\/<code>height<\/code> \u5c5e\u6027\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u6761\u4ef6\uff09\u3002<\/p>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u81ea\u52d5\u8a2d\u5b9a\u306f\u3059\u3070\u3089\u3057\u3044\u6a5f\u80fd\u306a\u306e\u3067\u3059\u304c\u3001\u843d\u3068\u3057\u7a74\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3059\u3079\u3066\u306e\u753b\u50cf\u3092 WordPress \u306f\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306e\u5bfe\u8c61\u306b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u753b\u50cf\u3082\u4f8b\u5916\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u6700\u521d\u304b\u3089\u8aad\u307f\u8fbc\u3080\u3079\u304d\u753b\u50cf\u307e\u3067\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306e\u5bfe\u8c61\u306b\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u3067\u3001\u7d50\u679c\u7684\u306b LCP \u304c\u60aa\u5316\u3059\u308b\u30b1\u30fc\u30b9\u304c\u51fa\u3066\u304d\u305f\u306e\u3067\u3059\u3002<\/p>\n<p class=\"p40-b\">\u305f\u3068\u3048\u3070\u3001\u8a18\u4e8b\u306e\u6700\u521d\u306b\u5927\u304d\u306a\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\u3092\u63b2\u8f09\u3057\u3066\u3044\u308b\u3000WordPress \u30b5\u30a4\u30c8\u304c\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u3002<br \/>\u305d\u306e\u753b\u50cf\u304c\u3001\u30da\u30fc\u30b8\u3067\u6700\u3082\u5927\u304d\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u3057\u3066\u5224\u5b9a\u3055\u308c\u305f\u5834\u5408\u306f LCP \u306f\u305d\u306e\u753b\u50cf\u306b\u5bfe\u3057\u3066\u8a08\u6e2c\u3055\u308c\u307e\u3059\u3002<br \/>\u3064\u307e\u308a\u3001\u3059\u3050\u306b\u8aad\u307f\u8fbc\u307e\u305b\u308b\u3079\u304d\u753b\u50cf\u304c\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306e\u5bfe\u8c61\u306b\u306a\u3063\u3066\u3057\u307e\u3044 LCP \u304c\u9045\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3059\u3002<\/p>\n<h2>WP 5.9 \u3067\u306f 2 \u756a\u76ee\u306e\u753b\u50cf\u304b\u3089\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u9069\u7528<\/h2>\n<p>\u305d\u3053\u3067 WordPress 5.9 \u3067\u306f\u30012 \u756a\u76ee\u306e\u753b\u50cf\u304b\u3089\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u9069\u7528\u3059\u308b\u3088\u3046\u306b\u6539\u826f\u3092\u4e88\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u9069\u7528\u306b\u95a2\u3057\u3066\u3069\u306e\u3088\u3046\u306b\u6539\u826f\u3059\u3079\u304d\u304b\u3092 WordPress \u306e\u958b\u767a\u5143\u304c\u691c\u8a3c\u3057\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li>\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u5b9f\u88c5\u3092\u3084\u3081\u308b<\/li>\n<li>1 \u3064\u76ee\u306e\u753b\u50cf\u3092\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u9069\u7528\u5bfe\u8c61\u304b\u3089\u5916\u3059<\/li>\n<li>2 \u3064\u76ee\u306e\u753b\u50cf\u307e\u3067\u3092\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u9069\u7528\u5bfe\u8c61\u304b\u3089\u5916\u3059<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u691c\u8a3c\u7d50\u679c\u304b\u3089\u3001\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u30e1\u30ea\u30c3\u30c8\u3092\u4eab\u53d7\u3057\u3064\u3064 LCP \u306b\u3082\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u306a\u3044\u306e\u304c\u30011 \u3064\u76ee\u306e\u753b\u50cf\u3092\u9664\u5916\u3059\u308b\u69cb\u6210\u3060\u3063\u305f\u306e\u3067\u3059\u3002<\/p>\n<p>\u73fe\u6642\u70b9\u306e WordPress \u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306f 5.8 \u3067\u3059\u3002<br \/>\u81ea\u52d5\u3067\u306e\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u307e\u307e\u3060\u3068\u3001LCP \u304c\u60aa\u304f\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<br \/>5.9 \u3067\u306f\u6539\u5584\u3055\u308c\u308b\u3053\u3068\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>WordPress 5.9 \u306f 2021 \u5e74 12 \u6708\u306b\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<p class=\"p40-b p30-b\">\u203b\u3059\u305a\u304d\u88dc\u8db3: \u3053\u3053\u3067\u8aac\u660e\u3057\u305f WordPress \u306e\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u6539\u826f\u306f <code>&lt;iframe&gt;<\/code> \u30bf\u30b0\u306b\u3082\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30b5\u30a4\u30c8\u306e\u72b6\u6cc1\u306b\u5408\u308f\u305b\u3066 loading \u5c5e\u6027\u306e\u5024\u3092\u6307\u5b9a\u3059\u308b<\/h2>\n<p>\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001WordPress 5.9 \u3067\u306f\u30011 \u3064\u76ee\u306e\u753b\u50cf\u3092\u4e00\u5f8b\u306b\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u5bfe\u8c61\u304b\u3089\u9664\u5916\u3057\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u306a\u304c\u3089\u30011 \u3064\u76ee\u306e\u753b\u50cf\u304c\u5fc5\u305a\u3057\u3082\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc (Above the fold) \u306b\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<br \/>\u3072\u3087\u3063\u3068\u3057\u305f\u3089\u3001Below the fold \u306b\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\u9006\u306b\u30012 \u3064\u76ee\u306e\u753b\u50cf\u3082\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u753b\u50cf\u304c\u3069\u306e\u5834\u6240\u306b\u4f4d\u7f6e\u3059\u308b\u304b\u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u69cb\u6210\u3068\u4f55\u3088\u308a\u3082\u5229\u7528\u3057\u3066\u3044\u308b\u30c6\u30fc\u30de\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<br \/>\u540c\u3058\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3082\u3001\u30c6\u30fc\u30de\u3092\u5909\u66f4\u3057\u305f\u3089\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u304b\u3089 Belew the fold \u306b\u753b\u50cf\u304c\u79fb\u52d5\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\u3042\u308b\u3044\u306f\u53cd\u5bfe\u306b\u3001Belew the fold \u304b\u3089\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u79fb\u52d5\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001WordPress \u306f \u30b5\u30fc\u30d0\u30fc\u5074\u3067 <code>loading<\/code> \u5c5e\u6027\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<br \/>\u30c7\u30d0\u30a4\u30b9\u306e\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\uff08\u30b9\u30af\u30ea\u30fc\u30f3\u306e\u30b5\u30a4\u30ba\uff09\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u306e\u304b\u5224\u660e\u3059\u308b\u524d\u306e\u6bb5\u968e\u3067\u3059\u3002<br \/>\u305d\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u753b\u50cf\u304c\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u306b\u5165\u3063\u3066\u3044\u308b\u306e\u304b\u5165\u3063\u3066\u3044\u306a\u3044\u306e\u304b\u3092\u77e5\u308b\u3053\u3068\u306a\u3057\u306b\u753b\u50cf\u3092\u914d\u4fe1\u3057\u307e\u3059\uff08\u3042\u308b\u3044\u306f Lazy-load \u3067\u914d\u4fe1\u3057\u306a\u3044\uff09\u3002<\/p>\n<p>\u7406\u60f3\u7684\u306a\u306e\u306f\u3001\u30c6\u30fc\u30de\u306b\u5fdc\u3058\u3066\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u9069\u7528\u3059\u308b\u304b\u3057\u306a\u3044\u304b\u3092\u5224\u65ad\u3059\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\u3055\u3089\u306b\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u72b6\u6cc1\u306b\u5408\u308f\u305b\u308b\u3053\u3068\u3082\u5fc5\u8981\u3067\u3059\u3002<br \/>\u3067\u3059\u304c\u3001\u591a\u7a2e\u591a\u69d8\u306a\u30c6\u30fc\u30de\u304c\u3042\u308b\u306a\u304b WordPress \u5074\u3067\u3059\u3079\u3066\u306e\u30c6\u30fc\u30de\u306b\u5408\u308f\u305b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\u305d\u308c\u306b\u4ed5\u69d8\u4e0a\u3001\u30d3\u30e5\u30fc\u30dd\u30fc\u30c8\u306b\u5408\u308f\u305b\u308b\u3053\u3068\u3082\u4e0d\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p class=\"p30-t\">\u5b9f\u969b\u306b\u306f\u3001WordPress \u306e\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u6700\u9069\u5316\u3059\u308b\u306b\u306f\u30b5\u30a4\u30c8\u5074\u3067\u306e\u8abf\u6574\u304c\u5fc5\u8981\u3067\u3059\u3002<br \/>\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u4f7f\u3044\u5206\u3051\u305f\u3044\u306e\u3067\u3042\u308c\u3070 <code>loading<\/code> \u5c5e\u6027\u306e\u5024\u3092\u660e\u793a\u3059\u308b\u3053\u3068\u3092\u63d0\u6848\u3057\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306e\u3069\u3061\u3089\u304b\u306e  <code>loading<\/code> \u5c5e\u6027\u3092\u81ea\u5206\u3067\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>loading=\"lazy\"<\/code>: \u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306e\u5bfe\u8c61\u306b\u3059\u308b<\/li>\n<li><code>loading=\"eager\"<\/code>: \u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3055\u305b\u305a\u306b\u3059\u3050\u306b\u8aad\u307f\u8fbc\u307e\u305b\u308b<\/li>\n<\/ul>\n<p>\u305f\u3068\u3048\u3070\u30011 \u3064\u3081\u306e\u753b\u50cf\u3067\u3042\u3063\u3066\u3082\u30da\u30fc\u30b8\u306e\u305a\u3063\u3068\u4e0b\u306e\u65b9\u306b\u3042\u308b\u306a\u3089\u3001<code>loading=\"lazy\"<\/code> \u3092\u81ea\u5206\u3067\u8ffd\u52a0\u3057\u3066\u304a\u3051\u3070\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<br \/>2 \u3064\u76ee\u306e\u753b\u50cf\u3067\u3042\u3063\u3066\u3082\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\uff08\u306e\u8fd1\u304f\uff09\u306b\u3042\u308b\u306a\u3089\u3001<code>loading=\"eager\"<\/code> \u3092\u8ffd\u52a0\u3057\u3066\u304a\u3051\u3070\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3055\u308c\u305a\u306b\u3059\u3050\u306b\u8aad\u307f\u8fbc\u307f\u304c\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>loading \u3092\u81ea\u5206\u3067\u8ffd\u52a0\u3057\u3066\u304a\u3044\u305f\u5834\u5408\u3001WordPress \u306e\u81ea\u52d5\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u6a5f\u80fd\u306f\u305d\u308c\u3092\u4e0a\u66f8\u304d\u3057\u307e\u305b\u3093\uff08\u660e\u793a\u3057\u305f\u6307\u5b9a\u304c\u512a\u5148\u3055\u308c\u308b\uff09\u3002<\/p>\n<p>\u73fe\u72b6\u306e WordPress 5.8\uff08\u4ee5\u524d\uff09\u3067\u3042\u3063\u3066\u3082\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u753b\u50cf\u306b <code>loading=\"eager\"<\/code> \u3092\u8ffd\u52a0\u3059\u308c\u3070\u3001\u3059\u3050\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u306e\u3067 LCP \u304c\u6539\u5584\u3059\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>5.9 \u306e\u30ea\u30ea\u30fc\u30b9\u307e\u3067\u5f85\u3066\u306a\u3044\u3068\u3044\u3046\u306e\u306a\u3089\u3001\u4eca\u306e\u6642\u70b9\u3067\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u753b\u50cf\u306b <code>loading=\"eager\"<\/code> \u3092\u4ed8\u3051\u3066\u3082\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u306a\u304a WordPress \u3092\u5229\u7528\u3057\u3066\u3044\u306a\u3044\u30b5\u30a4\u30c8\u3067\u3082\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u753b\u50cf\u306b <code>loading=\"lazy\"<\/code> \u3092\u8a2d\u5b9a\u3059\u308b\u3068\u540c\u3058\u3088\u3046\u306b LCP \u304c\u60aa\u5316\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u3048\u307e\u3059\u3002<br \/>\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p class=\"p60-t\">WordPress \u306e\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e\u6539\u826f\u304a\u3088\u3073 Lazy-load \u304c LCP \u306b\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u72b6\u6cc1\u306b\u3064\u3044\u3066\u306e\u8a73\u3057\u3044\u60c5\u5831\u306f\u6b21\u306e\u8a18\u4e8b\u3067\u8aad\u3081\u307e\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/make.wordpress.org\/core\/2021\/07\/15\/refining-wordpress-cores-lazy-loading-implementation\/\">Refining WordPress core\u2019s lazy-loading implementation (Make WordPress Core)<\/a><\/li>\n<li><a href=\"https:\/\/web.dev\/lcp-lazy-loading\/\">The performance effects of too much lazy-loading (web.dev)<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u63b2\u8f09\u3055\u308c\u3066\u3044\u308b\u753b\u50cf\u3092 Lazy-load \u3059\u308b\u3068 \u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb \u306e 1 \u6307\u6a19\u3067\u3042\u308b LCP \u3092\u4f4e\u4e0b\u3055\u305b\u308b\u6050\u308c\u304c\u3042\u308b\u3002\u305d\u306e\u305f\u3081 WordPress \u306f\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u753b\u50cf\u306b\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u9069\u7528\u3057\u306a\u3044\u3088\u3046\u306b\u6539\u5584\u3059\u308b\u4e88\u5b9a\u3060<\/p>\n","protected":false},"author":1,"featured_media":11564,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,758],"tags":[1229,1225,1613,1657],"class_list":["post-11563","post","type-post","status-publish","format-standard","has-post-thumbnail","category-wordpress","category-site-design-and-conversion","tag-wordpress","tag-lazy-load","tag-lcp","tag-native-lazy-loading"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/11563","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=11563"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/11563\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media\/11564"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=11563"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=11563"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=11563"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}