{"id":11974,"date":"2022-03-16T06:30:05","date_gmt":"2022-03-15T21:30:05","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=11974"},"modified":"2022-03-17T09:44:03","modified_gmt":"2022-03-17T00:44:03","slug":"safari-finally-supports-native-lazy-loading-by-default","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/safari-finally-supports-native-lazy-loading-by-default\/","title":{"rendered":"Safari 15.4\u304c\u30cd\u30a4\u30c6\u30a3\u30d6Lazy-load\u3092\u3064\u3044\u306b\u6a19\u6e96\u30b5\u30dd\u30fc\u30c8"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n<p class=\"p30-b\">Safari \u304c<a href=\"https:\/\/webkit.org\/blog\/12445\/new-webkit-features-in-safari-15-4\/\">\u30d0\u30fc\u30b8\u30e7\u30f3 15.4<\/a> \u3067<a href=\"https:\/\/web.dev\/browser-level-image-lazy-loading\/\">\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load<\/a> \u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306f\u3001\u753b\u50cf\u306e <code>&lt;img&gt;<\/code> \u8981\u7d20\u307e\u305f\u306f iframe \u306e <code>&lt;iframe&gt;<\/code> \u8981\u7d20\u306b <code>loading<\/code> \u5c5e\u6027\u3092\u4ed8\u3051\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30d6\u30e9\u30a6\u30b6\u306e\u6a5f\u80fd\u3068\u3057\u3066\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3092\u5b9f\u73fe\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002<br \/>JavaScript \u306b\u3088\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5fc5\u8981\u3068\u3057\u307e\u305b\u3093\u3002<br \/>HTML \u30bf\u30b0\u3067\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Chrome \u304c\u30012019 \u5e74 8 \u6708\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f<a href=\"https:\/\/www.suzukikenichi.com\/blog\/chrome-76-supports-native-native-loading\/\">\u30d0\u30fc\u30b8\u30e7\u30f3 76 \u3067\u521d\u3081\u3066\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u30b5\u30dd\u30fc\u30c8<\/a>\u3057\u307e\u3057\u305f\u3002<br \/>\u3082\u3068\u3082\u3068\u306f Google \u72ec\u81ea\u306e\u6a5f\u80fd\u3067\u3057\u305f\u304c <a href=\"https:\/\/www.suzukikenichi.com\/blog\/native-image-lazy-loading-is-now-officially-a-web-standard\/\">2020 \u5e74 2 \u6708\u306b\u306f\u30a6\u30a7\u30d6\u6a19\u6e96<\/a>\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p60-b\">\u307e\u305f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306f <a href=\"https:\/\/www.suzukikenichi.com\/blog\/google-added-native-lazy-loading-to-lists-of-recommended-lazy-loading\/\">Google \u691c\u7d22\u3067\u63a8\u5968\u3055\u308c\u308b<\/a>\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306e\u6280\u8853\u3067\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>Safari \u3067\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u6709\u52b9\u306b<\/h2>\n<p>\u6b63\u78ba\u306b\u306f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092 Safari \u306f\u3059\u3067\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\u3057\u304b\u3057\u8a66\u9a13\u6a5f\u80fd\u3068\u3057\u3066\u306e\u63d0\u4f9b\u3067\u3042\u308a\u3001\u5229\u7528\u3059\u308b\u306b\u306f\u30e6\u30fc\u30b6\u30fc\u304c\u660e\u793a\u7684\u306b\u6709\u52b9\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002<br \/>\u4e00\u822c\u30e6\u30fc\u30b6\u30fc\u304c\u8a66\u9a13\u6a5f\u80fd\u3092\u6709\u52b9\u306b\u3059\u308b\u3068\u306f\u601d\u3048\u305a\u3001\u5b9f\u8cea\u7684\u306b\u306f\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u306a\u3044\u3082\u540c\u7136\u3067\u3059\u3002<\/p>\n<p>2021 \u5e74 11 \u6708 15 \u65e5\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f <a href=\"https:\/\/www.suzukikenichi.com\/blog\/safari-may-support-native-lazy-loading-in-the-near-future\/\">Safari Technology Preview 135 \u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-loading \u304c\u6709\u52b9<\/a>\u306b\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\u3053\u306e\u6642\u70b9\u3067\u6b63\u5f0f\u6a5f\u80fd\u306b\u306a\u308b\u306e\u3067\u306f\u3068\u3044\u3046\u671f\u5f85\u304c\u81a8\u3089\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u3057\u3066\u3001\u3044\u3088\u3044\u3088 Safari \u3067\u3082\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p class=\"p40-b\">\u305f\u3060\u3057\u4eca\u306e\u3068\u3053\u308d\u306f\u3001\u753b\u50cf (<code>&lt;img&gt;<\/code> \u8981\u7d20) \u3067\u306e\u307f\u6a19\u6e96\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u306e OS \u8981\u4ef6<\/h2>\n<p>Safari 15.4 \u3067\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u304c\u6a5f\u80fd\u3059\u308b\u308f\u3051\u3067\u3059\u304c\u3001OS \u306b\u6761\u4ef6\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>macOS Monterey 12.3<\/li>\n<li>iOS 15.4<\/li>\n<li>iPadOS 15.4<\/li>\n<\/ul>\n<p>\u3064\u307e\u308a\u3001OS\u304c\uff08\u73fe\u6642\u70b9\u3067\u306e\uff09\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p class=\"p30-b p30-t\"><strong>\u3010UPDATE (2022\/03\/17)\u3011<\/strong><br \/>\nmacOS Big Sur \u3068 macOS Catalina \u306b\u3082 Safari 15.4 \u304c<a href=\"https:\/\/twitter.com\/webkit\/status\/1503854713376321541\">\u30ea\u30ea\u30fc\u30b9<\/a>\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>Safari \u3067\u5e45\u5e83\u304f\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u304c\u6a5f\u80fd\u3059\u308b\u3088\u3046\u306b\u306a\u308b\u307e\u3067\u306b\u306f\u307e\u3060\u3057\u3070\u3089\u304f\u6642\u9593\u304c\u304b\u304b\u308a\u305d\u3046\u3067\u3059\u304b\u306d\u3002<\/p>\n<p class=\"p40-b\">\u305d\u308c\u3067\u3082\u5b09\u3057\u3044\u30cb\u30e5\u30fc\u30b9\u3067\u3042\u308b\u3053\u3068\u306b\u5909\u308f\u308a\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u3044\u308b\u6642\u70b9\u3067\u3001\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u30e1\u30b8\u30e3\u30fc\u30d6\u30e9\u30a6\u30b6\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<br \/>\u30b9\u30de\u30db\u7248\u30fbPC \u7248\u3068\u3082\u3067\u3059\u3002 <\/p>\n<ul>\n<li>Chrome<\/li>\n<li>Edge<\/li>\n<li>Firefox <span class=\"small\">\u203b<code>&lt;img&gt;<\/code> \u8981\u7d20\u306e\u307f<\/span><\/li>\n<li>Safari <span class=\"small\">\u203b<code>&lt;img&gt;<\/code> \u8981\u7d20\u306e\u307f<\/span><\/li>\n<\/ul>\n<p>\u4eca\u3084\u3001\u30e1\u30b8\u30e3\u30fc\u306a\u30d6\u30e9\u30a6\u30b6\u3067\u306f\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u304c\u4f7f\u308f\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Safari \u304c\u30d0\u30fc\u30b8\u30e7\u30f3 15.4 \u3067\u30cd\u30a4\u30c6\u30a3\u30d6 Lazy-load \u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3002<\/p>\n","protected":false},"author":1,"featured_media":11994,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[1225,1375,1657],"class_list":["post-11974","post","type-post","status-publish","format-standard","has-post-thumbnail","category-tools","tag-lazy-load","tag-safari","tag-native-lazy-loading"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/11974","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=11974"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/11974\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media\/11994"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=11974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=11974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=11974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}