{"id":854,"date":"2015-01-10T10:02:07","date_gmt":"2015-01-10T01:02:07","guid":{"rendered":"http:\/\/seopack.jp\/seoblog\/?p=854"},"modified":"2021-07-13T15:48:35","modified_gmt":"2021-07-13T06:48:35","slug":"20150109_3-altenative-ways-to-dynamic-serving","status":"publish","type":"post","link":"https:\/\/seopack.jp\/seoblog\/20150109_3-altenative-ways-to-dynamic-serving\/","title":{"rendered":"\u52d5\u7684\u914d\u4fe1\u306e\u4ee3\u308f\u308a\u306b\u4f7f\u3048\u308b\u3001\u30c8\u30e9\u30d6\u30eb\u56de\u907f\u30c6\u30af\uff13\u3064"},"content":{"rendered":"<p>\u30b5\u30a4\u30c8\u306e\u30b9\u30de\u30db\u5bfe\u5fdc\u306a\u3069\u306b\u52d5\u7684\u914d\u4fe1\u3092\u5c0e\u5165\u3059\u308b\u3068\u3001\u4f55\u3089\u304b\u306e\u554f\u984c\u304c\u8d77\u304d\u308b\u30b1\u30fc\u30b9\u304c\u3088\u304f\u898b\u3089\u308c\u308b\u3068\u3057\u3001\u52d5\u7684\u914d\u4fe1\u306e\u4ee3\u308f\u308a\u306b\u4f7f\u3048\u308b\uff13\u3064\u306e\u65b9\u6cd5\u3092\u3001Google\u304c\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" src=\"https:\/\/seopack.jp\/seoblog\/wp-content\/uploads\/2015\/01\/20150109responsivedesign.gif\" alt=\"20150109responsivedesign\" width=\"640\" height=\"549\" class=\"alignright size-full wp-image-856\" \/><\/p>\n<div style=\"font-size:9px;margin-top:3em;text-align:right;\"><a href=\"http:\/\/www.freepik.com\/free-photos-vectors\/icon\">Icon vector designed by Freepik<\/a><\/div>\n<p><!--more--><\/p>\n<div id=\"toc_container\" class=\"toc_light_blue no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#i\">\u52d5\u7684\u914d\u4fe1\u306e\u4ee3\u308f\u308a\u306b\u306a\u308b\uff13\u30c6\u30af\u30cb\u30c3\u30af<\/a><\/li><li><a href=\"#CSS\">CSS\uff1a\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u6a5f\u80fd<\/a><\/li><li><a href=\"#ltpicturegtsrcset\">\u753b\u50cf\uff1a&lt;picture&gt;\u8981\u7d20\u3001srcset\u5c5e\u6027<\/a><\/li><\/ul><\/div>\n\n<h3><span id=\"i\">\u52d5\u7684\u914d\u4fe1\u306e\u4ee3\u308f\u308a\u306b\u306a\u308b\uff13\u30c6\u30af\u30cb\u30c3\u30af<\/span><\/h3>\n<p>\u52d5\u7684\u914d\u4fe1\u3068\u306f\u3001\u540c\u3058URL\u4e0a\u3067\u3001\u30c7\u30d0\u30a4\u30b9\u5225\u306b\u7570\u306a\u308bHTML\u3092\u914d\u4fe1\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002\u4f8b\u3048\u3070\u30b9\u30de\u30db\u306b\u306f\u30b9\u30de\u30db\u5bfe\u5fdc\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u3001PC\u306b\u306fPC\u5411\u3051\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u3001\u540c\u3058URL\u4e0a\u3067\u5225\u3005\u306b\u914d\u4fe1\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u52d5\u7684\u914d\u4fe1\u3092\u5c0e\u5165\u3057\u305f\u30b5\u30a4\u30c8\u304c\u306a\u3093\u3089\u304b\u306e\u554f\u984c\u3092\u8d77\u3053\u3059\u30b1\u30fc\u30b9\u306f\u5c11\u306a\u304f\u306a\u3044\u3001\u3068Google\u306e\u30d4\u30a8\u30fc\u30eb\u30fb\u30d5\u30a1\u30fc\u6c0f\u306f<a href=\"https:\/\/plus.google.com\/+PierreFar\/posts\/1KBKo3YeoJT\" target=\"_blank\">\u8a9e\u308a\u307e\u3059<\/a>\u3002<\/p>\n<p>\u30d5\u30a1\u30fc\u6c0f\u306f\u3001\u52d5\u7684\u914d\u4fe1\u3092\u4f7f\u308f\u305a\u306b\u5225\u3005\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u898b\u305b\u3089\u308c\u308b\u3001\u4e0b\u8a18\u306e\uff13\u3064\u306e\u4ee3\u66ff\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p><strong>1. JavaScript\u3067\u306f\u3001\u5225\u3005\u306eJS\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307e\u305b\u308b\u305f\u3081\u306eif\u6587\u3092\u57cb\u3081\u8fbc\u3080<\/p>\n<p>2. CSS\u3067\u306f\u3001\u9069\u5207\u306aCSS\u30d5\u30a1\u30a4\u30eb\u914d\u4fe1\u306e\u305f\u3081\u306b\u5225\u3005\u306e\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3092\u4f7f\u3046<\/p>\n<p>3. \u753b\u50cf\u306b\u306f\u3001&lt;picture&gt;\u8981\u7d20\u3084srcset\u5c5e\u6027\u3092\u6d3b\u7528\u3059\u308b<\/strong><\/p><\/blockquote>\n<p>\u305f\u3060\u30012\u30683\u306b\u3064\u3044\u3066\u306f\u306a\u3058\u307f\u306e\u306a\u3044\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u6b21\u9805\u3067\u5c11\u3005\u89e3\u8aac\u3092\u52a0\u3048\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h3><span id=\"CSS\">CSS\uff1a\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u6a5f\u80fd<\/span><\/h3>\n<p>CSS3\u3067\u63a1\u7528\u3055\u308c\u305f\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u6a5f\u80fd\u3092\u4f7f\u3048\u3070\u3001\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304d\u305f\u30e6\u30fc\u30b6\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e\u753b\u9762\u30b5\u30a4\u30ba\u3084\u89e3\u50cf\u5ea6\u306b\u5fdc\u3058\u3066\u3001\u9069\u7528\u3059\u308bCSS\u30b9\u30bf\u30a4\u30eb\u3092\u5207\u308a\u66ff\u3048\u308b\u3001\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u30c7\u30b6\u30a4\u30f3\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5f93\u6765\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u5411\u3051\uff08media=&#8221;screen&#8221;\uff09\u3084\u5370\u5237\u5411\u3051\uff08media=&#8221;print&#8221;\uff09\u3068\u3044\u3063\u305f\u3001\u5927\u304d\u306a\u533a\u5225\u3067\u3057\u304b\u30b9\u30bf\u30a4\u30eb\u3092\u5206\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3092\u4f7f\u3048\u3070\u3001<br \/>\n<strong><\/p>\n<ul>\n<li>\u5e45\u304c414px\u4ee5\u4e0b\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u5834\u5408\uff1a<br \/>\nmedia=\u201donly screen and (max-width:414px);\u201d<\/li>\n<li>\u5e45\u304c800px\u4ee5\u4e0a\u306e\u6a2a\u9577\u306e\u30d6\u30e9\u30a6\u30b6\u306e\u5834\u5408\uff1a<br \/>\nmedia=\u201donly screen and (min-width:800px) and (orientation:landscape);\u201d<\/li>\n<\/ul>\n<p><\/strong><\/p>\n<p>\u306a\u3069\u3068\u3044\u3063\u305f\u3001\u67d4\u8edf\u306aCSS\u30b9\u30bf\u30a4\u30eb\u306e\u4f7f\u3044\u5206\u3051\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002<br \/>\n\u73fe\u5728\u3067\u306f\u3001\u69d8\u3005\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u5165\u624b\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<h3><span id=\"ltpicturegtsrcset\">\u753b\u50cf\uff1a&lt;picture&gt;\u8981\u7d20\u3001srcset\u5c5e\u6027<\/span><\/h3>\n<p>&lt;img&gt;\u8981\u7d20\u3084src\u5c5e\u6027\u306b\u306f\u3001CSS\u306e\u30e1\u30c7\u30a3\u30a2\u30af\u30a8\u30ea\u3068\u540c\u69d8\u306e\u6a5f\u80fd\u304c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u4ee3\u308f\u308a\u306b&lt;picture&gt;\u8981\u7d20\u3084srcset\u5c5e\u6027\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u753b\u9762\u30b5\u30a4\u30ba\u306a\u3069\u306e\u74b0\u5883\u5225\u306b\u753b\u50cf\u3092\u914d\u4fe1\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Retina\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u306a\u3069\u30d4\u30af\u30bb\u30eb\u5bc6\u5ea6\u306e\u7570\u306a\u308b\u9ad8\u89e3\u50cf\u5ea6\u74b0\u5883\u306b\u3082\u4fbf\u5229\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u305f\u3081\u3001\u53c2\u8003\u60c5\u5831\u3084\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3082\u3069\u3093\u3069\u3093\u6574\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001<\/p>\n<p><strong><\/p>\n<ul>\n<li>\u8868\u793a\u5e45\u304c320px\u4ee5\u4e0b\u3067\u3001\u89e3\u50cf\u5ea6\u304cx1\u306e\u74b0\u5883\u3067\u306f photo_320_1x.png<\/li>\n<li>\u8868\u793a\u5e45\u304c320px\u4ee5\u4e0b\u3067\u3001\u89e3\u50cf\u5ea6\u304cx2\u306e\u74b0\u5883\u3067\u306f photo_320_2x.png<\/li>\n<li>\u8868\u793a\u5e45\u304c320px\u3088\u308a\u5927\u304d\u304f640px\u4ee5\u4e0b\u3067\u3001\u89e3\u50cf\u5ea6\u304cx1\u306e\u74b0\u5883\u3067\u306f photo_640_1x.png<\/li>\n<li>\u8868\u793a\u5e45\u304c320px\u3088\u308a\u5927\u304d\u304f640px\u4ee5\u4e0b\u3067\u3001\u89e3\u50cf\u5ea6\u304cx2\u306e\u74b0\u5883\u3067\u306f photo_640_2x.png<\/li>\n<li>\u305d\u308c\u4ee5\u5916\u306e\u74b0\u5883\u3067\u306f photo.jpg<\/li>\n<\/ul>\n<p><\/strong><\/p>\n<p>\u3092\u914d\u4fe1\u3059\u308b\u5834\u5408\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n<strong><br \/>\n&lt;picture&gt;<br \/>\n\u3000&lt;source<br \/>\n\u3000\u3000media=&#8221;(min-width: 320px)&#8221;<br \/>\n\u3000\u3000srcset=&#8221;photo_320_1x.png 1x, photo_320_2x.png 2x&#8221;&gt;<br \/>\n\u3000&lt;source<br \/>\n\u3000\u3000media=&#8221;(min-width: 640px)&#8221;<br \/>\n\u3000\u3000srcset=&#8221;photo_640_1x.png 1x, photo_640_2x.png 2x&#8221;&gt;<br \/>\n\u3000&lt;img src=&#8221;photo.jpg&#8221; alt=&#8221;Photo&#8221;&gt;<br \/>\n&lt;\/picture&gt;<br \/>\n<\/strong><\/p>\n<p>\u3053\u308c\u3089\u306f\u3001\u672a\u5bfe\u5fdc\u306e\u30d6\u30e9\u30a6\u30b6\u3082\u3042\u308b\u3082\u306e\u306e\u3001\u30d5\u30a1\u30fc\u6c0f\u306f\u300c\u8fd1\u5e74\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u306f\u975e\u5e38\u306b\u5f37\u529b\u306a\u6a5f\u80fd\u306b\u306a\u308b\u300d\u3068\u3057\u3066\u4f7f\u7528\u3092\u4fc3\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30b5\u30a4\u30c8\u306e\u30b9\u30de\u30db\u5bfe\u5fdc\u306a\u3069\u306b\u52d5\u7684\u914d\u4fe1\u3092\u5c0e\u5165\u3059\u308b\u3068\u3001\u4f55\u3089\u304b\u306e\u554f\u984c\u304c\u8d77\u304d\u308b\u30b1\u30fc\u30b9\u304c\u3088\u304f\u898b\u3089\u308c\u308b\u3068\u3057\u3001\u52d5\u7684\u914d\u4fe1\u306e\u4ee3\u308f\u308a\u306b\u4f7f\u3048\u308b\uff13\u3064\u306e\u65b9\u6cd5\u3092\u3001Google\u304c\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002 Icon vector designed by Freep [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":856,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,1],"tags":[5,6,7,40,81,82],"_links":{"self":[{"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/posts\/854"}],"collection":[{"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/comments?post=854"}],"version-history":[{"count":3,"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/posts\/854\/revisions"}],"predecessor-version":[{"id":8355,"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/posts\/854\/revisions\/8355"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/media\/856"}],"wp:attachment":[{"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/media?parent=854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/categories?post=854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seopack.jp\/seoblog\/wp-json\/wp\/v2\/tags?post=854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}