{"id":1355,"date":"2022-03-16T15:55:53","date_gmt":"2022-03-16T06:55:53","guid":{"rendered":"https:\/\/service.grannet.co.jp\/blog\/?p=1355"},"modified":"2022-10-31T16:35:25","modified_gmt":"2022-10-31T07:35:25","slug":"lazy_load","status":"publish","type":"post","link":"https:\/\/grannet.co.jp\/column\/lazy_load\/","title":{"rendered":"Lazy Load\u3068\u306f\uff1f\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u3084\u4f7f\u3044\u65b9\u30fb\u6ce8\u610f\u70b9\u3082\u7d39\u4ecb\uff01"},"content":{"rendered":"<div class=\"column_wrap\"> <div class=\"txtbox\"> <p>Web\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u9ad8\u3081\u308b\u65b9\u6cd5\u3092\u63a2\u3059\u306a\u304b\u3067\u3001\u300cLazy Load\u300d\u3068\u547c\u3070\u308c\u308b\u624b\u6cd5\u304c\u6c17\u306b\u306a\u3063\u305f\u65b9\u3082\u591a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002Lazy Load\u3092\u6b63\u3057\u3044\u65b9\u6cd5\u3067\u5b9f\u88c5\u3059\u308c\u3070\u3001Web\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057\u3066\u3001\u60c5\u5831\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p><p>\u5f53\u8a18\u4e8b\u3067\u306f\u3001Lazy Load\u306e\u6982\u8981\u3084\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3001Lazy Load\u306e\u5177\u4f53\u7684\u306a\u4f7f\u3044\u65b9\u30fb\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002Lazy Load\u306e\u5c0e\u5165\u3092\u691c\u8a0e\u3057\u3066\u3044\u308bWeb\u62c5\u5f53\u8005\u306e\u65b9\u306f\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><\/div><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_46 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"ez-toc-toggle-icon-1\"><label for=\"item-69f4241b74a1b\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-69f4241b74a1b\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/grannet.co.jp\/column\/lazy_load\/#1Lazy_Load%E3%81%A8%E3%81%AF\" title=\"1.Lazy Load\u3068\u306f\">1.Lazy Load\u3068\u306f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/grannet.co.jp\/column\/lazy_load\/#2Lazy_Load%E3%82%92%E5%B0%8E%E5%85%A5%E3%81%99%E3%82%8B%E3%83%A1%E3%83%AA%E3%83%83%E3%83%88%E3%83%BB%E3%83%87%E3%83%A1%E3%83%AA%E3%83%83%E3%83%88\" title=\"2.Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\">2.Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/grannet.co.jp\/column\/lazy_load\/#3Lazy_Load%E3%81%AE%E5%B0%8E%E5%85%A5%E6%96%B9%E6%B3%95%E3%81%A8%E4%BD%BF%E3%81%84%E6%96%B9\" title=\"3.Lazy Load\u306e\u5c0e\u5165\u65b9\u6cd5\u3068\u4f7f\u3044\u65b9\">3.Lazy Load\u306e\u5c0e\u5165\u65b9\u6cd5\u3068\u4f7f\u3044\u65b9<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/grannet.co.jp\/column\/lazy_load\/#3-1%E5%B0%82%E7%94%A8%E3%81%AE%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%A0%E3%82%92%E3%82%B3%E3%83%BC%E3%83%87%E3%82%A3%E3%83%B3%E3%82%B0%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95\" title=\"3-1.\u5c02\u7528\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u65b9\u6cd5\">3-1.\u5c02\u7528\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u65b9\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/grannet.co.jp\/column\/lazy_load\/#3-2WordPress%E3%81%AE%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%82%92%E4%BD%BF%E3%81%86%E6%96%B9%E6%B3%95\" title=\"3-2.WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u65b9\u6cd5\">3-2.WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u65b9\u6cd5<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/grannet.co.jp\/column\/lazy_load\/#4Lazy_Load%E3%82%92%E5%B0%8E%E5%85%A5%E3%81%99%E3%82%8B%E9%9A%9B%E3%81%AE%E6%B3%A8%E6%84%8F%E7%82%B9\" title=\"4.Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9\">4.Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/grannet.co.jp\/column\/lazy_load\/#%E3%81%BE%E3%81%A8%E3%82%81\" title=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n <h2 class=\"tt1\"><span class=\"ez-toc-section\" id=\"1Lazy_Load%E3%81%A8%E3%81%AF\"><\/span>1.Lazy Load\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"banner\"><img decoding=\"async\" src=\"https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2022\/03\/img_lazy_load1.jpg\" alt=\"Lazy Load\u3068\u306f\"><\/div><div class=\"txtbox\"> <p>Lazy Load\u3068\u306f\u3001<span class=\"txt_bold txt_red\">Web\u30b5\u30a4\u30c8\u306b\u542b\u307e\u308c\u308b\u30c7\u30fc\u30bf\u304c\u30d6\u30e9\u30a6\u30b6\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u8abf\u6574\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u76ee\u306b\u3059\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u512a\u5148\u7684\u306b\u8868\u793a\u3055\u305b\u308b\u6280\u8853<\/span>\u3067\u3059\u3002<\/p><p>Lazy Load\u306a\u3069\u306e\u6280\u8853\u3092\u4f7f\u7528\u3057\u3066\u3044\u306a\u3044Web\u30b5\u30a4\u30c8\u3067\u306f\u3001\u30a2\u30af\u30bb\u30b9\u3057\u305f\u30da\u30fc\u30b8\u3067\u8868\u793a\u3055\u308c\u308b\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u304c\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30da\u30fc\u30b8\u306b\u8907\u6570\u306e\u753b\u50cf\u30c7\u30fc\u30bf\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u8fbc\u307f\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306b\u9577\u3044\u6642\u9593\u304c\u304b\u304b\u308b\u50be\u5411\u3067\u3059\u3002<\/p><p>\u4e00\u65b9\u3001<span class=\"txt_bold\">Lazy Load\u3092\u5b9f\u88c5\u3057\u305fWeb\u30b5\u30a4\u30c8\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u76ee\u306b\u89e6\u308c\u308b\u90e8\u5206\u306e\u753b\u50cf\u3060\u3051\u304c\u512a\u5148\u7684\u306b\u8aad\u307f\u8fbc\u307e\u308c\u307e\u3059\u3002<\/span>\u30e6\u30fc\u30b6\u30fc\u304c\u30da\u30fc\u30b8\u3092\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3001\u5fc5\u8981\u306a\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3093\u3067\u8868\u793a\u3059\u308b\u305f\u3081\u3001\u7121\u99c4\u306a\u5f85\u3061\u6642\u9593\u3092\u7701\u304f\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p><\/div><h2 class=\"tt1\"><span class=\"ez-toc-section\" id=\"2Lazy_Load%E3%82%92%E5%B0%8E%E5%85%A5%E3%81%99%E3%82%8B%E3%83%A1%E3%83%AA%E3%83%83%E3%83%88%E3%83%BB%E3%83%87%E3%83%A1%E3%83%AA%E3%83%83%E3%83%88\"><\/span>2.Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"banner\"><img decoding=\"async\" src=\"https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2022\/03\/img_lazy_load2.jpg\" alt=\"Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\"><\/div><div class=\"txtbox\"> <p>Lazy Load\u3092Web\u30b5\u30a4\u30c8\u306b\u5c0e\u5165\u3059\u308b\u969b\u306f\u3001\u4ee5\u4e0b\u306b\u6319\u3052\u308b\u30e1\u30ea\u30c3\u30c8\u3068\u30c7\u30e1\u30ea\u30c3\u30c8\u306e\u4e21\u65b9\u3092\u7406\u89e3\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p><div class=\"listTab\"> <table class=\"width100\"> <tr> <th><span class=\"txt_size_big\">Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u30e1\u30ea\u30c3\u30c8<\/span><\/th> <\/tr><tr> <td> <p class=\"tt3\">\u30fb\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b<\/p><p>Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u3068\u3001\u5fc5\u8981\u306a\u90e8\u5206\u306e\u30c7\u30fc\u30bf\u3060\u3051\u304c\u9806\u6b21\u8aad\u307f\u8fbc\u307e\u308c\u308b\u305f\u3081\u3001<span class=\"txt_bold txt_red\">\u753b\u50cf\u8868\u793a\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd<\/span>\u3067\u3059\u3002<\/p><p class=\"mb0\">\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u9ad8\u307e\u308b\u3053\u3068\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u6e80\u8db3\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u5411\u3051\u306e\u6700\u9069\u5316\u5bfe\u7b56\u306b\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u306f\u3001\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u9ad8\u3044\u30da\u30fc\u30b8\u304c\u9ad8\u8a55\u4fa1\u3068\u306a\u308a\u3001\u63b2\u8f09\u9806\u4f4d\u304c\u4e0a\u304c\u308a\u3084\u3059\u3044\u50be\u5411\u3067\u3059\u3002<\/p><\/td><\/tr><tr> <td> <p class=\"tt3\">\u30fb\u30c7\u30fc\u30bf\u8ee2\u9001\u5bb9\u91cf\u304c\u7bc0\u7d04\u3067\u304d\u308b<\/p><p>Lazy Load\u3092\u5c0e\u5165\u3057\u305f\u30da\u30fc\u30b8\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u76ee\u306b\u89e6\u308c\u306a\u3044\u90e8\u5206\u306e\u753b\u50cf\u30c7\u30fc\u30bf\u306f\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u305f\u3081\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u5bb9\u91cf\u304c\u7bc0\u7d04\u3067\u304d\u307e\u3059\u3002<\/p><p class=\"mb0\">Lazy Load\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u8ee2\u9001\u5bb9\u91cf\u3092\u6e1b\u3089\u3059\u3053\u3068\u3067\u3001<span class=\"txt_bold txt_red\">\u30b5\u30fc\u30d0\u30fc\u306e\u904b\u55b6\u30b3\u30b9\u30c8\u3092\u4e0b\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd<\/span>\u3067\u3059\u3002\u307e\u305f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u5bb9\u91cf\u304c\u6e1b\u308b\u3053\u3068\u3067\u3001Web\u30b5\u30a4\u30c8\u8a2a\u554f\u8005\u306f\u901a\u4fe1\u5bb9\u91cf\u5236\u9650\u3092\u5727\u8feb\u305b\u305a\u306b\u30da\u30fc\u30b8\u3092\u95b2\u89a7\u3067\u304d\u308b\u70b9\u3082\u30e1\u30ea\u30c3\u30c8\u3068\u3044\u3048\u307e\u3059\u3002<\/p><\/td><\/tr><\/table> <\/div><div class=\"listTab\"> <table class=\"width100\"> <tr> <th><span class=\"txt_size_big\">Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u30c7\u30e1\u30ea\u30c3\u30c8<\/span><\/th> <\/tr><tr> <td> <p class=\"tt3\">\u30fb\u30da\u30fc\u30b8\u306e\u305a\u308c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/p><p>Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u3068\u3001\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u306b\u3068\u3082\u306a\u3063\u3066\u3001<span class=\"txt_bold txt_red\">\u30da\u30fc\u30b8\u306b\u542b\u307e\u308c\u308b\u8981\u7d20\u304c\u305a\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/span>\u3053\u3068\u304c\u30c7\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002\u30da\u30fc\u30b8\u306e\u8868\u793a\u9818\u57df\u304c\u305a\u308c\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30ea\u30f3\u30af\u3084\u30dc\u30bf\u30f3\u3092\u8aa4\u3063\u3066\u30bf\u30c3\u30d7\u3057\u3066\u3057\u307e\u3046\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u30da\u30fc\u30b8\u306b\u8868\u793a\u3055\u308c\u308b\u8981\u7d20\u306e\u305a\u308c\u306f\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u304b\u3089\u4f4e\u8a55\u4fa1\u3092\u53d7\u3051\u308b\u5bfe\u8c61\u3067\u3059\u3002<\/p><p class=\"mb0\">\u305f\u3060\u3057\u3001Lazy Load\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306b\u9069\u5207\u306a\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u30da\u30fc\u30b8\u304c\u305a\u308c\u308b\u554f\u984c\u306f\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002<\/p><\/td><\/tr><tr> <td> <p class=\"tt3\">\u30fb\u8aad\u307f\u8fbc\u307f\u304c\u9045\u308c\u305f\u753b\u50cf\u306f\u4f4e\u753b\u8cea\u3067\u8868\u793a\u3055\u308c\u308b<\/p><p>Lazy Load\u304c\u5b9f\u88c5\u3055\u308c\u305f\u30da\u30fc\u30b8\u306e\u753b\u50cf\u90e8\u5206\u306f\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u3055\u308c\u308b\u307e\u3067\u7a7a\u767d\u3084\u4f4e\u753b\u8cea\u306e\u72b6\u614b\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001<span class=\"txt_bold txt_red\">\u30e6\u30fc\u30b6\u30fc\u306e\u901a\u4fe1\u74b0\u5883\u3084\u7aef\u672b\u306e\u6319\u52d5\u306b\u3088\u3063\u3066\u3001\u30b9\u30af\u30ed\u30fc\u30eb\u3055\u308c\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u30da\u30fc\u30b8\u8868\u793a\u304c\u9593\u306b\u5408\u308f\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p><p class=\"mb0\">\u30da\u30fc\u30b8\u5168\u4f53\u3067\u4f7f\u7528\u3059\u308b\u753b\u50cf\u306e\u30c7\u30fc\u30bf\u3092\u5727\u7e2e\u3059\u308b\u306a\u3069\u306e\u5bfe\u7b56\u306b\u3088\u308a\u3001\u4f4e\u753b\u8cea\u306a\u753b\u50cf\u304c\u8868\u793a\u3055\u308c\u308b\u30ea\u30b9\u30af\u306f\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/p><\/td><\/tr><\/table> <\/div><\/div><h2 class=\"tt1\"><span class=\"ez-toc-section\" id=\"3Lazy_Load%E3%81%AE%E5%B0%8E%E5%85%A5%E6%96%B9%E6%B3%95%E3%81%A8%E4%BD%BF%E3%81%84%E6%96%B9\"><\/span>3.Lazy Load\u306e\u5c0e\u5165\u65b9\u6cd5\u3068\u4f7f\u3044\u65b9<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"txtbox\"> <p>Lazy Load\u306f\u3001\u5c02\u7528\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u7528\u3044\u3066Web\u30b5\u30a4\u30c8\u306b\u76f4\u63a5\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u304b\u3001CMS\u30c4\u30fc\u30eb\u3067\u3042\u308b\u300cWordPress\u300d\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u65b9\u6cd5\u306e\u3044\u305a\u308c\u304b\u3067\u5c0e\u5165\u304c\u53ef\u80fd\u3067\u3059\u3002Lazy Load\u3092\u5b9f\u88c5\u3057\u305f\u3044Web\u30b5\u30a4\u30c8\u306e\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u3001\u9069\u5207\u306a\u65b9\u6cd5\u3092\u9078\u629e\u3057\u307e\u3057\u3087\u3046\u3002<\/p><p>\u3053\u3053\u3067\u306f\u3001Lazy Load\u306e\u5c0e\u5165\u65b9\u6cd5\u3068\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p><\/div><h3 class=\"tt2\"><span class=\"ez-toc-section\" id=\"3-1%E5%B0%82%E7%94%A8%E3%81%AE%E3%83%97%E3%83%AD%E3%82%B0%E3%83%A9%E3%83%A0%E3%82%92%E3%82%B3%E3%83%BC%E3%83%87%E3%82%A3%E3%83%B3%E3%82%B0%E3%81%99%E3%82%8B%E6%96%B9%E6%B3%95\"><\/span>3-1.\u5c02\u7528\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3> <div class=\"txtbox\"> <p>\u5c02\u7528\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066Lazy Load\u3092\u5b9f\u88c5\u3059\u308b\u5834\u5408\u3001<span class=\"txt_bold txt_red\">GitHub\u3067\u516c\u958b\u3055\u308c\u3066\u3044\u308bJavaScript\u30e9\u30a4\u30d6\u30e9\u30ea\u300cLazy Load\u300d\u3092\u4f7f\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p><p>\u5c02\u7528\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066Lazy Load\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u306f\u3001\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p><p class=\"tt3 mb0\">\uff081\uff09\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306escript\u30bf\u30b0\u3092\u8a18\u8ff0\u3059\u308b<\/p><div class=\"borderbox mb2em\"> <p>\u6700\u521d\u306b\u3001Lazy Load\u306eJavaScript\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u30bf\u30b0\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002Lazy Load\u3092\u5b9f\u88c5\u3057\u305f\u3044Web\u30da\u30fc\u30b8\u306ehead\u90e8\u5206\u307e\u305f\u306fbody\u90e8\u5206\u306b\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u8a18\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><pre class=\"mb0\" style=\"margin-top: 2em;\"><code>&lt;script src=&quot;https:\/\/cdn.jsdelivr.net\/npm\/lazyload@2.0.0-rc.2\/lazyload.min.js&quot;&gt;&lt;\/script&gt;<\/code><\/pre> <\/div><p class=\"tt3 mb0\">\uff082\uff09img\u30bf\u30b0\u306e\u5c5e\u6027\u3092\u8a2d\u5b9a\u3059\u308b<\/p><div class=\"borderbox mb2em\"> <p>\u30da\u30fc\u30b8\u306b\u542b\u307e\u308c\u308bimg\u30bf\u30b0\u306b\u3001\u6b21\u306e\u3088\u3046\u306a\u5c5e\u6027\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p><pre><code>&lt;img class=&quot;lazyload&quot; width=&quot;400&quot; height=&quot;300&quot; data-src=&quot;img\/gazou.jpg&quot; alt=&quot;\u30b5\u30f3\u30d7\u30eb\u753b\u50cf&quot; \/&gt;<\/code><\/pre> <p>Lazy Load\u3092\u5b9f\u88c5\u3057\u305f\u3044\u753b\u50cf\u306eimg\u30bf\u30b0\u3067\u306f\u3001\u30af\u30e9\u30b9\u5c5e\u6027\u306b\u300clazyload\u300d\u3092\u8a18\u8ff0\u3057\u307e\u3057\u3087\u3046\u3002\u6a2a\u5e45\u3068\u9ad8\u3055\u3092\u8868\u3059width\u5c5e\u6027\u3068height\u5c5e\u6027\u306b\u306f\u3001\u5b9f\u969b\u306b\u8868\u793a\u3059\u308b\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u30d4\u30af\u30bb\u30eb\u6570\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><p>\u8aad\u307f\u8fbc\u3080\u753b\u50cf\u306e\u30d1\u30b9\u306f\u3001data-src\u5c5e\u6027\u3067\u6307\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002alt\u5c5e\u6027\u306b\u306f\u753b\u50cf\u306e\u5185\u5bb9\u3092\u8868\u3059\u30c6\u30ad\u30b9\u30c8\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p><p class=\"mb0\">\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3092\u3055\u305b\u305f\u3044\u753b\u50cf\u304c\u8907\u6570\u3042\u308b\u5834\u5408\u306f\u3001\u8a72\u5f53\u3059\u308b\u3059\u3079\u3066\u306eimg\u30bf\u30b0\u3067\u4e0a\u8a18\u306e\u3088\u3046\u306a\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p><\/div><p class=\"tt3 mb0\">\uff083\uff09Lazy Load\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3059\u308b<\/p><div class=\"borderbox mb2em\"> <p>Lazy Load\u306b\u3088\u3063\u3066\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3092\u767a\u751f\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001Lazy Load\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30da\u30fc\u30b8\u306ebody\u5185\u6700\u4e0b\u90e8\u306b\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3092\u8a18\u8ff0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><pre class=\"mb0\" style=\"margin-top: 2em;\"><code>&lt;script&gt;lazyload&lpar;&rpar;;&lt;\/script&gt;<\/code><\/pre> <\/div><p>\u4ee5\u4e0a\u306e3\u3064\u306e\u8a2d\u5b9a\u306b\u3088\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u306b\u5408\u308f\u305b\u305f\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p><\/div><h3 class=\"tt2\"><span class=\"ez-toc-section\" id=\"3-2WordPress%E3%81%AE%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%82%92%E4%BD%BF%E3%81%86%E6%96%B9%E6%B3%95\"><\/span>3-2.WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3> <div class=\"banner\"><img decoding=\"async\" src=\"https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2022\/03\/img_lazy_load3-2.jpg\" alt=\"WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u65b9\u6cd5\"><\/div><div class=\"txtbox\"> <p>WordPress\u3092\u5229\u7528\u3057\u3066\u4f5c\u3089\u308c\u305fWeb\u30b5\u30a4\u30c8\u306e\u5834\u5408\u3001<span class=\"txt_bold txt_red\">\u5c02\u7528\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3001\u6709\u52b9\u5316\u3068\u8a2d\u5b9a\u306e\u8abf\u6574\u3092\u884c\u3046\u3053\u3068\u3067Lazy Load\u304c\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/span><\/p><p>WordPress\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3063\u305fLazy Load\u306e\u5c0e\u5165\u65b9\u6cd5\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p><p class=\"tt3 mb0\">\uff081\uff09WordPress\u306bLazy Load\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/p><div class=\"borderbox mb2em\"> <p class=\"mb0\">WordPress\u306e\u7ba1\u7406\u753b\u9762\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3001\u5de6\u5074\u306b\u3042\u308b\u30e1\u30cb\u30e5\u30fc\u306e\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\u300d\u304b\u3089\u300c\u65b0\u898f\u8ffd\u52a0\u300d\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u691c\u7d22\u753b\u9762\u3067\u300cLazy Load\u300d\u3068\u5165\u529b\u3057\u3001\u4f5c\u6210\u8005\u304c\u300cMohammad Jangda\u300d\u3068\u306a\u3063\u3066\u3044\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u63a2\u3057\u3001\u300c\u4eca\u3059\u3050\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u300d\u306e\u30dc\u30bf\u30f3\u3092\u9078\u629e\u3057\u307e\u3057\u3087\u3046\u3002<\/p><\/div><p class=\"tt3 mb0\">\uff082\uff09Lazy Load\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316\u3059\u308b<\/p><div class=\"borderbox mb2em\"> <p class=\"mb0\">WordPress\u306bLazy Load\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u305f\u3089\u3001\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316\u300d\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3060\u3051\u3067\u306f\u753b\u50cf\u306e\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u304c\u6a5f\u80fd\u3057\u306a\u3044\u305f\u3081\u3001\u5fc5\u305a\u6709\u52b9\u5316\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p><\/div><p class=\"tt3 mb0\">\uff083\uff09\u8aad\u307f\u8fbc\u307f\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u8a2d\u5b9a\u3092\u8abf\u6574\u3059\u308b<\/p><div class=\"borderbox mb2em\"> <p>\u6a19\u6e96\u306e\u4ed5\u69d8\u3067\u306f\u753b\u50cf\u8981\u7d20\u304c\u8aad\u307f\u8fbc\u307e\u308c\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u9045\u304f\u3001\u753b\u9762\u8868\u793a\u304c\u9593\u306b\u5408\u308f\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u3088\u308a\u65e9\u3044\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u753b\u50cf\u3092\u8aad\u307f\u8fbc\u3080\u305f\u3081\u306e\u8abf\u6574\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p><p>Lazy Load\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316\u3057\u305f\u3042\u3068\u306b\u3001\u300c\u7de8\u96c6\u300d\u3092\u9078\u629e\u3057\u3001\u53f3\u5074\u306b\u8868\u793a\u3055\u308c\u308b\u300clazy-load\/js\/lazy-load.js\u300d\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p><p class=\"mb0\">\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u300cdistance\uff1a 200\u300d\u306e\u5024\u3092\u300cdistance\uff1a 400\u300d\u306b\u5909\u66f4\u3057\u3001\u300c\u30d5\u30a1\u30a4\u30eb\u3092\u66f4\u65b0\u300d\u30dc\u30bf\u30f3\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u3053\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u5909\u66f4\u306b\u3088\u308a\u3001\u9069\u5207\u306a\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u753b\u50cf\u3092\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p><\/div>\n<div class=\"blog-card \">\n<a href=\"https:\/\/grannet.co.jp\/column\/wordpress_speedup_plugin\/\">\n<div class=\"blog-card-thumbnail\"><img src='https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2022\/05\/icatch_wordpress_speedup_plugin-418x300.jpg' alt='WordPress\u306e\u9ad8\u901f\u5316\u306b\u7e4b\u304c\u308b\u30d7\u30e9\u30b0\u30a4\u30f35\u9078\uff5c\u304a\u3059\u3059\u3081\u65bd\u7b56\u3082'\/><\/div>\n<div class=\"blog-card-content\">\n<div class=\"blog-card-title\">WordPress\u306e\u9ad8\u901f\u5316\u306b\u7e4b\u304c\u308b\u30d7\u30e9\u30b0\u30a4\u30f35\u9078\uff5c\u304a\u3059\u3059\u3081\u65bd\u7b56\u3082 <\/div>\n<div class=\"blog-card-excerpt\">WordPress\u306e\u8868\u793a\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u3068\u3001SEO\u52b9\u679c\u306e\u5411\u4e0a\u3084\u76f4\u5e30\u7387\u30fbCVR\u306e\u6539\u5584\u306b\u7e4b\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001WordPress\u306e\u9ad8\u901f\u5316\u306b\u52b9\u679c\u7684\u306a5\u3064\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u4ee5\u5916\u3067\u53d6\u308a\u7d44\u3080\u3079\u304d3\u3064\u306e\u65bd\u7b56\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n<\/a>\n<\/div><\/div><h2 class=\"tt1\"><span class=\"ez-toc-section\" id=\"4Lazy_Load%E3%82%92%E5%B0%8E%E5%85%A5%E3%81%99%E3%82%8B%E9%9A%9B%E3%81%AE%E6%B3%A8%E6%84%8F%E7%82%B9\"><\/span>4.Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"txtbox\"> <p>Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u969b\u306f\u3001Google\u30af\u30ed\u30fc\u30e9\u30fc\u306e\u6319\u52d5\u3084\u3001\u65e2\u5b58\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u306e\u7af6\u5408\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4e3b\u306a\u6ce8\u610f\u70b9\u306f\u6b21\u306e3\u3064\u3067\u3059\u3002<\/p><p class=\"tt3 mb0\">\u30fbGoogle\u306e\u30af\u30ed\u30fc\u30e9\u30fc\u304cLazy Load\u3092\u9069\u7528\u3057\u305f\u753b\u50cf\u304a\u3088\u3073\u30c7\u30fc\u30bf\u3092\u8a8d\u8b58\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b<\/p><div class=\"borderbox mb2em\"> <p class=\"mb0\">Google\u306e\u30af\u30ed\u30fc\u30e9\u30fc\u306fWeb\u30b5\u30a4\u30c8\u3092\u5de1\u56de\u3059\u308b\u969b\u3001\u30da\u30fc\u30b8\u306e\u30b9\u30af\u30ed\u30fc\u30eb\u3092\u884c\u3044\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001Lazy Load\u3092\u9069\u7528\u3057\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u8a8d\u8b58\u3057\u306a\u3044\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<span class=\"txt_bold txt_red\">\u30af\u30ed\u30fc\u30e9\u30fc\u304c\u753b\u50cf\u3084\u30c7\u30fc\u30bf\u3092\u8a8d\u8b58\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u60aa\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/span>\u305f\u3081\u3001\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p><\/div><p class=\"tt3 mb0\">\u30fbGoogle\u306e\u30af\u30ed\u30fc\u30e9\u30fc\u304c\u753b\u50cf\u3092\u8a8d\u8b58\u3057\u306a\u3044\u5834\u5408\u3001\u753b\u50cf\u691c\u7d22\u306b\u5f15\u3063\u639b\u304b\u3089\u306a\u304f\u306a\u308b<\/p><div class=\"borderbox mb2em\"> <p class=\"mb0\">Google\u306e\u753b\u50cf\u691c\u7d22\u3067\u306f\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u304c\u8a8d\u8b58\u3057\u305f\u753b\u50cf\u304c\u7d50\u679c\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3057\u304b\u3057\u3001Lazy Load\u3092\u9069\u7528\u3057\u305f\u753b\u50cf\u304c\u8a8d\u8b58\u3055\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u753b\u50cf\u691c\u7d22\u3067\u4e0a\u4f4d\u306b\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p><\/div>\n<div class=\"blog-card \">\n<a href=\"https:\/\/grannet.co.jp\/column\/crawler\/\">\n<div class=\"blog-card-thumbnail\"><img src='https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/05\/icatch_crawler-418x300.jpg' alt='\u30af\u30ed\u30fc\u30e9\u30fc\u3068\u306f\uff1fSEO\u4e0a\u306e\u4ed5\u7d44\u307f\u3068\u30af\u30ed\u30fc\u30ea\u30f3\u30b0\u306e\u6700\u9069\u5316\u3092\u8aac\u660e'\/><\/div>\n<div class=\"blog-card-content\">\n<div class=\"blog-card-title\">\u30af\u30ed\u30fc\u30e9\u30fc\u3068\u306f\uff1fSEO\u4e0a\u306e\u4ed5\u7d44\u307f\u3068\u30af\u30ed\u30fc\u30ea\u30f3\u30b0\u306e\u6700\u9069\u5316\u3092\u8aac\u660e <\/div>\n<div class=\"blog-card-excerpt\">Googlebot\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30af\u30ed\u30fc\u30e9\u30fc\u306f\u3001Web\u62c5\u5f53\u8005\u3084SEO\u62c5\u5f53\u8005\u304c\u77e5\u308b\u3079\u304d\u5c02\u9580\u7528\u8a9e\u3067\u3059\u3002SEO\u306b\u5fc5\u8981\u306a\u77e5\u8b58\u3068\u3057\u3066\u30af\u30ed\u30fc\u30e9\u30fc\u306e\u610f\u5473\u30fb\u4ed5\u7d44\u307f\u3084\u5de1\u56de\u3092\u958b\u59cb\u3055\u305b\u308b\u65b9\u6cd5\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u767b\u9332\u306e\u78ba\u8a8d\u65b9\u6cd5\u3001\u30af\u30ed\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u5411\u4e0a\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n<\/a>\n<\/div><p class=\"tt3 mb0\">\u30fbJavaScript\u3067\u65e2\u306b\u753b\u50cf\u8aad\u307f\u8fbc\u307f\u3092\u6700\u9069\u5316\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u9006\u306b\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u4e0b\u304c\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308b<\/p><div class=\"borderbox mb2em\"> <p class=\"mb0\">JavaScript\u306b\u3088\u3063\u3066\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u3092\u6700\u9069\u5316\u3057\u3066\u3044\u308bWeb\u30b5\u30a4\u30c8\u3067Lazy Load\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b9\u30af\u30ea\u30d7\u30c8\u540c\u58eb\u304c\u7af6\u5408\u3057\u3066\u4e0d\u5177\u5408\u304c\u8d77\u304d\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u4e0b\u304c\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308b\u305f\u3081\u3001\u7af6\u5408\u3059\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3046\u3048\u3067Lazy Load\u3092\u5b9f\u88c5\u3057\u307e\u3057\u3087\u3046\u3002<\/p><\/div><\/div><h2 class=\"tt1\"><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"txtbox\"> <p>Lazy Load\u306f\u3001Web\u30b5\u30a4\u30c8\u4e0a\u306b\u3042\u308b\u8907\u6570\u306e\u753b\u50cf\u3092\u3001\u7570\u306a\u308b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u8868\u793a\u3055\u305b\u308b\u624b\u6cd5\u3067\u3059\u3002Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u4f53\u611f\u3059\u308b\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u304c\u4e0a\u304c\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u5c0e\u5165\u306b\u77e5\u8b58\u304c\u5fc5\u8981\u306a\u70b9\u3084\u3001\u8868\u793a\u304c\u305a\u308c\u308b\u5834\u5408\u304c\u3042\u308b\u70b9\u306a\u3069\u304c\u30c7\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002<\/p><p>Lazy Load\u306f\u76f4\u63a5\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3059\u308b\u307b\u304b\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u3088\u3063\u3066\u3082\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u3068Google\u306e\u30af\u30ed\u30fc\u30e9\u30fc\u304c\u753b\u50cf\u3092\u8a8d\u8b58\u3057\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308b\u70b9\u3084\u3001\u65e2\u5b58\u306eJavaScript\u3068\u7af6\u5408\u3059\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308b\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p><p>Lazy Load\u3092\u5c0e\u5165\u3059\u308b\u969b\u306f\u3001\u30c7\u30e1\u30ea\u30c3\u30c8\u3084\u6ce8\u610f\u70b9\u3092\u8e0f\u307e\u3048\u3066\u3001\u6b63\u3057\u3044\u65b9\u6cd5\u3067\u5b9f\u88c5\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"blog-card \">\n<a href=\"https:\/\/grannet.co.jp\/column\/javascript\/\">\n<div class=\"blog-card-thumbnail\"><img src='https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2022\/04\/icatch_javascript-418x300.jpg' alt='JavaScript\u3068\u306f\uff1f\u3067\u304d\u308b\u3053\u3068\uff06\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u3082\u89e3\u8aac'\/><\/div>\n<div class=\"blog-card-content\">\n<div class=\"blog-card-title\">JavaScript\u3068\u306f\uff1f\u3067\u304d\u308b\u3053\u3068\uff06\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u3082\u89e3\u8aac <\/div>\n<div class=\"blog-card-excerpt\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001JavaScript\u306e\u6982\u8981\u30fb\u958b\u767a\u3067\u304d\u308b\u3053\u3068\u30fb\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u306b\u3064\u3044\u3066\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3059\u3002\u4f01\u696d\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u306a\u3069\u306e\u904b\u55b6\u62c5\u5f53\u8005\u306f\u3001JavaScript\u3067\u3067\u304d\u308b\u3053\u3068\u3084\u8a18\u8ff0\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3001\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u306a\u3069\u306e\u904b\u55b6\u306b\u6d3b\u304b\u3057\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n<\/a>\n<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Web\u30da\u30fc\u30b8\u306e\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u9ad8\u3081\u308b\u65b9\u6cd5\u3092\u63a2\u3059\u306a\u304b\u3067\u3001\u300cLazy 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