{"id":9910,"date":"2019-04-09T06:15:21","date_gmt":"2019-04-08T21:15:21","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=9910"},"modified":"2022-03-16T06:05:17","modified_gmt":"2022-03-15T21:05:17","slug":"chrome-75-experimentally-supports-native-lazy-loading","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/chrome-75-experimentally-supports-native-lazy-loading\/","title":{"rendered":"\u30cd\u30a4\u30c6\u30a3\u30d6Lazy Load\u3092Chrome\u304c\u8a66\u9a13\u7684\u306b\u30b5\u30dd\u30fc\u30c8\u958b\u59cb"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n<p>JavaScript \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3082\u3068\u3082\u3068\u5099\u308f\u3063\u3066\u3044\u308b\u6a5f\u80fd\u3068\u3057\u3066 lazy load \u3092\u5b9f\u884c\u3059\u308b\u4ed5\u7d44\u307f\u3092 Chrome Canary 75 \u304c\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>lazy load \u5c02\u7528\u306e\u5c5e\u6027\u3092 HTML \u30b3\u30fc\u30c9\u306b\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3001 <code>&lt;img&gt;<\/code> \u3068 <code>&lt;iframe&gt;<\/code> \u3067\u6307\u5b9a\u3059\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u7c21\u5358\u306b\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3067\u304d\u307e\u3059\u3002<\/p>\n<p class=\"p60-b\">\u901a\u79f0\u3001&#8221;Native\uff08\u30cd\u30a4\u30c6\u30a3\u30d6\uff09 lazy load&#8221; \u306f\u3001<a href=\"https:\/\/www.suzukikenichi.com\/blog\/chrome-may-support-lazy-load-natively\/\">\u6628\u5e74\u306e 8 \u6708\u306b\u69cb\u60f3<\/a>\u304c\u3067\u304d\u3042\u304c\u308a\u307e\u3057\u305f\u3002<br \/>\u3064\u3044\u306b\u672c\u683c\u7684\u306b\u8a66\u9a13\u904b\u7528\u304c\u59cb\u307e\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30cd\u30a4\u30c6\u30a3\u30d6 lazy load \u3092\u5236\u5fa1\u3059\u308b loading \u5c5e\u6027<\/h2>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6 lazy load \u3092\u5236\u5fa1\u3059\u308b\u306b\u306f\u3001 <code>&lt;img&gt;<\/code> \u30bf\u30b0\u307e\u305f\u306f <code>&lt;iframe&gt;<\/code> \u30bf\u30b0\u306b <code>loading<\/code> \u5c5e\u6027\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<br \/>3\u7a2e\u985e\u306e\u5024\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><code>loading=\"lazy\"<\/code>: <strong>lazy<\/strong> \u306f lazy load \u3092\u9069\u7528\u3055\u305b\u307e\u3059<\/li>\n<li><code>loading=\"eager\"<\/code>: <strong>eager<\/strong> \u306f lazy load \u3092\u9069\u7528\u305b\u305a\u306b\u3001\u30da\u30fc\u30b8\u306e\u30ed\u30fc\u30c9\u3068\u540c\u6642\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8aad\u307f\u8fbc\u307f\u307e\u3059<\/li>\n<li><code>loading=\"auto\"<\/code>: <strong>auto<\/strong> \u306f lazy load \u3059\u308b\u304b\u3069\u3046\u304b\u306e\u5224\u65ad\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u4efb\u305b\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>loading \u5c5e\u6027\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u3068\u304d\u306f\u3001<code>loading=\"auto\"<\/code> \u304c\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre style=\"overflow-x: auto\"><code class=\"green\">&lt;img src=\"lazy-cat.png\" loading=\"lazy\" alt=\"\u6020\u3051\u3082\u306e\u306e\u30cd\u30b3\" height=\"700\" width=\"1200\" \/&gt;<\/code><\/pre>\n<p class=\"p30-t\">Enable lazy image loading \u3068 Enable lazy frame loading \u3092 chrome:\/\/flags \u304b\u3089 Enabled \u306b\u5909\u66f4\u3059\u308b\u3068\u3001Chrome \u3067 \u30cd\u30a4\u30c6\u30a3\u30d6 lazy load \u3092\u6709\u52b9\u306b\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"p40-b\"><img decoding=\"async\" itemprop=\"image\" src=\"https:\/\/www.suzukikenichi.com\/images\/enable-lazy-loading.png\" alt=\"Enable lazy loading\" width=\"471\" height=\"592\" loading=\"lazy\" \/><\/div>\n<h2>\u30cd\u30a4\u30c6\u30a3\u30d6 lazy load \u306b\u95a2\u3059\u308b\u305d\u306e\u307b\u304b\u306e\u60c5\u5831<\/h2>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6 lazy load \u306f\u6b63\u5f0f\u306b\u5b9f\u88c5\u3055\u308c\u308b\u306e\u975e\u5e38\u306b\u697d\u3057\u307f\u306a\u6a5f\u80fd\u306b\u306a\u308a\u305d\u3046\u3067\u3059\u3002<br \/>Googlebot \u304c\u3053\u306e\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3068\u306f\u601d\u3048\u306a\u3044\u306e\u3067\u3001<a href=\"https:\/\/www.suzukikenichi.com\/blog\/google-published-lazyloading-guide-for-seo\/\">lazy load \u753b\u50cf\u3092 Googlebot \u306b\u8a8d\u8b58\u3055\u305b\u308b\u305f\u3081\u306e\u69cb\u6210<\/a>\u3082\u4e0d\u8981\u3067\u3059\u3002<br \/>lazy load \u3092\u7c21\u5358\u306b\u5b9f\u88c5\u3067\u304d\u308b\u3060\u3051\u3067\u306f\u306a\u304f\u3001SEO \u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u89e3\u6d88\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3068\u306f\u3044\u3048\u3001\u30cd\u30a4\u30c6\u30a3\u30d6 lazy load \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u30d6\u30e9\u30a6\u30b6\u3068\u306e\u4e92\u63db\u3084\u3001\u3059\u3067\u306b JavaScript \u3067\u5b9f\u88c5\u3057\u3066\u3044\u308b lazy load \u3092\u4f75\u7528\u3059\u308b\u306b\u306f\u305d\u308c\u306a\u308a\u306e\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002<br \/>\u8a73\u3057\u304f\u306f\u3001<a href=\"https:\/\/addyosmani.com\/blog\/lazy-loading\/\">\u3053\u3061\u3089\u306e\u89e3\u8aac\u8a18\u4e8b<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u30d6\u30e9\u30a6\u30b6\u30b5\u30dd\u30fc\u30c8\u306b\u95a2\u3057\u3066\u306f\u3001\u4eca\u306e\u3068\u3053\u308d\u306f\u3001Firefox \u3068 Edge \u306b\u95a2\u3057\u3066\u306f\u516c\u5f0f\u306a\u60c5\u5831\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>Safari \u306b\u95a2\u3057\u3066\u306f\u3001<a href=\"https:\/\/github.com\/whatwg\/html\/issues\/2806#issuecomment-378831265\">WebKit \u306e\u958b\u767a\u8005\u304c\u95a2\u5fc3\u3092\u793a\u3057\u3066<\/a>\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>Canary \u3067\u306f\u306a\u304f\u3001\u5b89\u5b9a\u7248 Chrome \u305d\u3057\u3066\u3001\u305d\u306e\u307b\u304b\u306e\u4e3b\u8981\u306a\u30d6\u30e9\u30a6\u30b6\u304c \u30cd\u30a4\u30c6\u30a3\u30d6 lazy load \u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u306e\u3092\u5fc3\u5f85\u3061\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>[H\/T] <a href=\"https:\/\/twitter.com\/addyosmani\/status\/1114777583302799360\">Addy Osmani<\/a><\/p>\n<blockquote class=\"twitter-tweet\" data-cards=\"hidden\" data-lang=\"ja\">\n<p lang=\"en\" dir=\"ltr\">Native &lt;img&gt; lazy-loading is coming to the web! <a href=\"https:\/\/t.co\/LgF7F1iMgR\">https:\/\/t.co\/LgF7F1iMgR<\/a> &lt;img loading=lazy&gt; defers offscreen images until the user scrolls near them. Shipping in Chrome ~75 <a href=\"https:\/\/t.co\/4gR7lvx4zx\">https:\/\/t.co\/4gR7lvx4zx<\/a> <a href=\"https:\/\/t.co\/luCHEfLkKD\">pic.twitter.com\/luCHEfLkKD<\/a><\/p>\n<p>&mdash; Addy Osmani (@addyosmani) <a href=\"https:\/\/twitter.com\/addyosmani\/status\/1114777583302799360?ref_src=twsrc%5Etfw\">2019\u5e744\u67087\u65e5<\/a><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript \u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u3082\u3068\u3082\u3068\u5099\u308f\u3063\u3066\u3044\u308b\u6a5f\u80fd\u3068\u3057\u3066 lazy load \u3092\u5b9f\u884c\u3059\u308b\u4ed5\u7d44\u307f\u3092 Chrome Canary 75 \u304c\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u306a\u308b\u3002lazy load \u5c02\u7528\u306e\u5c5e\u6027\u3092 HTML \u30b3\u30fc\u30c9\u306b\u8ffd\u52a0\u3059\u308b\u3060\u3051\u3067\u3001img\u3068 iframe \u3067\u6307\u5b9a\u3059\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u7c21\u5358\u306b\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3067\u304d\u308b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1179],"tags":[489,1225,1657],"class_list":["post-9910","post","type-post","status-publish","format-standard","category-mobile-seo","tag-google-chrome","tag-lazy-load","tag-native-lazy-loading"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/9910","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=9910"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/9910\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=9910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=9910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=9910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}