{"id":11605,"date":"2021-09-14T06:30:43","date_gmt":"2021-09-13T21:30:43","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=11605"},"modified":"2021-09-23T13:56:19","modified_gmt":"2021-09-23T04:56:19","slug":"lighthouse-detects-when-the-lcp-images-above-the-fold-are-not-lazy-loaded","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/lighthouse-detects-when-the-lcp-images-above-the-fold-are-not-lazy-loaded\/","title":{"rendered":"LCP\u3092\u60aa\u5316\u3055\u305b\u308b\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u753b\u50cf\u3092Lighthouse\u304c\u691c\u51fa"},"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\u8868\u793a\u3055\u308c\u308b\u753b\u50cf\u306b Lazy-load \u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u3066\u3001\u305d\u306e\u753b\u50cf\u304c LCP \u3060\u3068\u5224\u5b9a\u3055\u308c\u3066\u3044\u308b\u3068\u304d\u306b <a href=\"https:\/\/developer.chrome.com\/blog\/lighthouse-8-4\/#new-audit-lazy-lcp\">Lighthouse \u304c\u8b66\u544a\u3092\u51fa\u3059<\/a>\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p class=\"p30-t\">Lazy-load \u306f\u3001\u753b\u50cf\u306a\u3069\u306e\u8981\u7d20\u3092\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3055\u305b\u308b\u3053\u3068\u3067\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u6280\u8853\u3067\u3059\u3002<br \/>\u3057\u304b\u3057\u3001\u521d\u3081\u304b\u3089\u8868\u793a\u3055\u308c\u308b\u3079\u304d\u753b\u50cf\u306b Lazy-load \u3092\u69cb\u6210\u3059\u308b\u3068\u304b\u3048\u3063\u3066\u30da\u30fc\u30b8\u306e\u8868\u793a\u304c\u9045\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\u7d50\u679c\u7684\u306b\u3001<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\u60aa\u5316\u3055\u305b\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p60-b\">\u3010\u53c2\u7167\u3011<br \/>\n\u300c<a href=\"https:\/\/www.suzukikenichi.com\/blog\/lazy-loading-images-above-the-fold-can-make-lcp-slower\/\">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<\/a>\u300d<\/p>\n<h2>\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e Lazy-load \u753b\u50cf\u3092 Lighthouse \u304c\u691c\u51fa<\/h2>\n<p><a href=\"https:\/\/github.com\/GoogleChrome\/lighthouse\/blob\/master\/changelog.md#840-2021-09-08\">Lighthouse 8.4.0<\/a> \u304c\u3001\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e Lazy-load \u753b\u50cf\u3092\u691c\u51fa\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u6b21\u306e\u6761\u4ef6\u306b\u753b\u50cf\u304c\u8a72\u5f53\u3059\u308b\u3068\u8b66\u544a\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>LCP \u3067\u3042\u308b<\/li>\n<li>Lazy-load \u304c\u69cb\u6210\u3055\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n<p><img decoding=\"async\" itemprop=\"image\" loading=\"lazy\" class=\"bdr\" src=\"https:\/\/www.suzukikenichi.com\/images\/LCP-image-was-not-lazily-loaded.png\" alt=\"Largest-\nContentful-Paint image was not lazily loaded\" width=\"1422\" height=\"766\" \/><\/p>\n<p>\u8b66\u544a\u306f\u3001Diagnostics \u30bb\u30af\u30b7\u30e7\u30f3\u306b\u6b21\u306e\u3088\u3046\u306b\u73fe\u308c\u307e\u3059\u3002<\/p>\n<blockquote><p><strong>Largest-Contentful-Paint image was not lazily loaded<\/strong><\/p>\n<p>Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.<\/p><\/blockquote>\n<blockquote><p><strong>Largest-Contentful-Paint \u753b\u50cf\u304c\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/strong><\/p>\n<p>\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3055\u308c\u308b\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306e\u753b\u50cf\u306f\u30da\u30fc\u30b8\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u5f8c\u534a\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f LCP \u3092\u9045\u304f\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p><\/blockquote>\n<p>\u201cLearn more.\u201d \u306e\u30ea\u30f3\u30af\u306f\u3053\u306e\u73fe\u8c61\u3092\u6280\u8853\u7684\u306b\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u308b <a href=\"https:\/\/web.dev\/lcp-lazy-loading\/\">web.dev \u306e\u8a18\u4e8b<\/a>\u306b\u30ea\u30f3\u30af\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p60-t\">\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u8a2d\u7f6e\u3057\u3066\u3044\u308b\u753b\u50cf\u307e\u3067 Lazy-load \u306e\u5bfe\u8c61\u306b\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u305f\u72b6\u614b\u3092 Lighthouse \u304c\u691c\u51fa\u3057\u3066\u304f\u308c\u308b\u306e\u306f\u30b3\u30a2 \u30a6\u30a7\u30d6 \u30d0\u30a4\u30bf\u30eb\u6539\u5584\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>Lighthouse 8.4.0 \u306f Chrome 95 \u306e\u30c7\u30d9\u30ed\u30c3\u30d1\u30fc \u30c4\u30fc\u30eb\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<br \/>\u5b89\u5b9a\u7248 Chrome 95 \u306f 10 \u6708\u4e0b\u65ec\u306b\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u3067\u3059\u3002<br \/>\u3059\u3050\u306b\u691c\u8a3c\u3057\u305f\u3044\u4eba\u306f <a href=\"https:\/\/www.google.com\/chrome\/dev\/?extra=devchannel\">Chrome Dev<\/a> \u307e\u305f\u306f <a href=\"https:\/\/www.google.com\/chrome\/canary\/\">Chrome Canary<\/a> \u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>PageSpeed Insights \u306e\u30e9\u30dc\u30c7\u30fc\u30bf\u306f Lighthouse \u304c\u4f9b\u7d66\u3057\u3066\u3044\u307e\u3059\u3002<br \/>PageSpeed Insights \u306e Lighthouse \u306f 1 \u9031\u9593\u4ee5\u5185\u306b\u66f4\u65b0\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n<p>\u3010UPDATE (2021\/09\/23)\u3011<br \/>\nPageSpeed Insights \u306e Lighthouse \u3082 8.4.0 \u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30d5\u30a1\u30fc\u30b9\u30c8\u30d3\u30e5\u30fc\u306b\u8868\u793a\u3055\u308c\u308b\u753b\u50cf\u306b Lazy-load \u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u3066\u3001\u305d\u306e\u753b\u50cf\u304c LCP \u3060\u3068\u5224\u5b9a\u3055\u308c\u3066\u3044\u308b\u3068\u304d\u306b Lighthouse \u304c\u8b66\u544a\u3092\u51fa\u3059\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n","protected":false},"author":1,"featured_media":11606,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,758],"tags":[1225,1342,1613],"class_list":["post-11605","post","type-post","status-publish","format-standard","has-post-thumbnail","category-tools","category-site-design-and-conversion","tag-lazy-load","tag-lighthouse","tag-lcp"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/11605","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=11605"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/11605\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media\/11606"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=11605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=11605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=11605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}