{"id":1046,"date":"2021-06-30T18:10:05","date_gmt":"2021-06-30T09:10:05","guid":{"rendered":"https:\/\/service.grannet.co.jp\/blog\/?p=1046"},"modified":"2022-09-13T19:06:37","modified_gmt":"2022-09-13T10:06:37","slug":"next_generation_format","status":"publish","type":"post","link":"https:\/\/grannet.co.jp\/column\/next_generation_format\/","title":{"rendered":"\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u3068\u306f\uff1f\u4e3b\u306a3\u3064\u306e\u7a2e\u985e\u3068\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u65b9\u6cd5"},"content":{"rendered":"<div class=\"column_wrap\"> <div class=\"txtbox\"> <p>\u6628\u4eca\u3067\u306fWeb\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u4eba\u304c\u5897\u3048\u3066\u304a\u308a\u3001\u300cGoogle PageSpeed Insights\u300d\u306f\u4eba\u6c17\u306e\u8a3a\u65ad\u30c4\u30fc\u30eb\u3067\u3059\u3002\u8a3a\u65ad\u7d50\u679c\u306e\u300c\u6539\u5584\u3067\u304d\u308b\u9805\u76ee\u300d\u306b\u306f\u3001\u30b5\u30a4\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306b\u5411\u3051\u305f\u8ab2\u984c\u304c\u63d0\u793a\u3055\u308c\u308b\u3082\u306e\u306e\u3001\u6539\u5584\u70b9\u3068\u3055\u308c\u308b\u8981\u7d20\u306e\u610f\u5473\u304c\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u30b1\u30fc\u30b9\u3082\u3042\u308b\u3067\u3057\u3087\u3046\u3002<\/p><p>\u5f53\u8a18\u4e8b\u3067\u306f\u3001\u6539\u5584\u3067\u304d\u308b\u9805\u76ee\u306e\u4e00\u3064\u3067\u3042\u308b\u300c\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u306e\u753b\u50cf\u306e\u914d\u4fe1\u300d\u306b\u7684\u3092\u7d5e\u3063\u3066\u3001\u5404\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u7279\u5fb4\u3084\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u306e\u307b\u304b\u3001\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u5229\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u306e\u4ee3\u66ff\u7b56\u306b\u3064\u3044\u3066\u3082\u89e3\u8aac\u3057\u307e\u3059\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-69df186eb8ebf\" 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-69df186eb8ebf\"><\/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\/next_generation_format\/#1%E6%AC%A1%E4%B8%96%E4%BB%A3%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9E%E3%83%83%E3%83%88%E3%81%AE%E7%94%BB%E5%83%8F%E3%81%A8%E3%81%AF%EF%BC%9F\" title=\"1.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u3068\u306f\uff1f\">1.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u3068\u306f\uff1f<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/grannet.co.jp\/column\/next_generation_format\/#1-1%E3%81%9D%E3%82%82%E3%81%9D%E3%82%82%E3%81%AA%E3%81%9C%E8%A1%A8%E7%A4%BA%E9%80%9F%E5%BA%A6%E3%81%AE%E6%94%B9%E5%96%84%E3%81%8C%E5%BF%85%E8%A6%81%E3%81%A8%E3%81%AA%E3%82%8B%E3%81%AE%E3%81%8B\" title=\"1-1.\u305d\u3082\u305d\u3082\u306a\u305c\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u304c\u5fc5\u8981\u3068\u306a\u308b\u306e\u304b\">1-1.\u305d\u3082\u305d\u3082\u306a\u305c\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u304c\u5fc5\u8981\u3068\u306a\u308b\u306e\u304b<\/a><\/li><\/ul><\/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\/next_generation_format\/#2%E6%AC%A1%E4%B8%96%E4%BB%A3%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9E%E3%83%83%E3%83%88%E3%81%AE%E4%B8%BB%E3%81%AA3%E3%81%A4%E3%81%AE%E7%A8%AE%E9%A1%9E%EF%BD%9C%E5%90%84%E7%A8%AE%E9%A1%9E%E3%81%AE%E7%89%B9%E5%BE%B4%E3%81%A8%E5%AF%BE%E5%BF%9C%E3%83%96%E3%83%A9%E3%82%A6%E3%82%B6\" title=\"2.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u4e3b\u306a3\u3064\u306e\u7a2e\u985e\uff5c\u5404\u7a2e\u985e\u306e\u7279\u5fb4\u3068\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\">2.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u4e3b\u306a3\u3064\u306e\u7a2e\u985e\uff5c\u5404\u7a2e\u985e\u306e\u7279\u5fb4\u3068\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6<\/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\/next_generation_format\/#2-1JPEG_2000\" title=\"2-1.JPEG 2000\">2-1.JPEG 2000<\/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\/next_generation_format\/#2-2JPEG-XR\" title=\"2-2.JPEG-XR\">2-2.JPEG-XR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/grannet.co.jp\/column\/next_generation_format\/#2-3WebP\" title=\"2-3.WebP\">2-3.WebP<\/a><\/li><\/ul><\/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\/next_generation_format\/#3%E6%AC%A1%E4%B8%96%E4%BB%A3%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9E%E3%83%83%E3%83%88%E3%81%AE%E7%94%BB%E5%83%8F%E3%81%AE%E9%85%8D%E4%BF%A1%E3%81%AF%E7%8F%BE%E7%8A%B6%E3%81%BE%E3%81%A0%E9%9B%A3%E3%81%97%E3%81%84%EF%BC%9F\" title=\"3.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u306e\u914d\u4fe1\u306f\u73fe\u72b6\u307e\u3060\u96e3\u3057\u3044\uff1f\">3.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u306e\u914d\u4fe1\u306f\u73fe\u72b6\u307e\u3060\u96e3\u3057\u3044\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/grannet.co.jp\/column\/next_generation_format\/#4%E3%80%90%E7%94%BB%E5%83%8F%E3%80%91%E8%A1%A8%E7%A4%BA%E9%80%9F%E5%BA%A6%E3%82%92%E6%94%B9%E5%96%84%E3%81%95%E3%81%9B%E3%82%8B%E4%BB%A3%E6%9B%BF%E7%AD%962%E9%81%B8\" title=\"4.\u3010\u753b\u50cf\u3011\u8868\u793a\u901f\u5ea6\u3092\u6539\u5584\u3055\u305b\u308b\u4ee3\u66ff\u7b562\u9078\">4.\u3010\u753b\u50cf\u3011\u8868\u793a\u901f\u5ea6\u3092\u6539\u5584\u3055\u305b\u308b\u4ee3\u66ff\u7b562\u9078<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/grannet.co.jp\/column\/next_generation_format\/#4-1%E7%94%BB%E5%83%8F%E3%83%BB%E5%8B%95%E7%94%BB%E3%82%92%E3%81%AA%E3%82%8B%E3%81%B9%E3%81%8F%E6%B8%9B%E3%82%89%E3%81%99\" title=\"4-1.\u753b\u50cf\u30fb\u52d5\u753b\u3092\u306a\u308b\u3079\u304f\u6e1b\u3089\u3059\">4-1.\u753b\u50cf\u30fb\u52d5\u753b\u3092\u306a\u308b\u3079\u304f\u6e1b\u3089\u3059<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/grannet.co.jp\/column\/next_generation_format\/#4-2%E7%94%BB%E5%83%8F%E3%83%BB%E5%8B%95%E7%94%BB%E3%81%AE%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%82%B5%E3%82%A4%E3%82%BA%E3%82%92%E8%BB%BD%E9%87%8F%E5%8C%96%E3%81%99%E3%82%8B\" title=\"4-2.\u753b\u50cf\u30fb\u52d5\u753b\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u8efd\u91cf\u5316\u3059\u308b\">4-2.\u753b\u50cf\u30fb\u52d5\u753b\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u8efd\u91cf\u5316\u3059\u308b<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/grannet.co.jp\/column\/next_generation_format\/#%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=\"1%E6%AC%A1%E4%B8%96%E4%BB%A3%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9E%E3%83%83%E3%83%88%E3%81%AE%E7%94%BB%E5%83%8F%E3%81%A8%E3%81%AF%EF%BC%9F\"><\/span>1.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u3068\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"txtbox\"> <p>\u73fe\u5728\u306eWeb\u30b5\u30a4\u30c8\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u4e00\u822c\u7684\u306a\u753b\u50cf\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u3001\u4e0b\u8a18\u306e3\u7a2e\u985e\u3067\u3059\u3002<\/p><div class=\"borderbox mb2em\"> <ul class=\"list_dot mb0\"> <li class=\"mb1em\">JPEG\uff08JPG\uff09<\/li><li class=\"mb1em\">GIF<\/li><li>PNG<\/li><\/ul> <\/div><p>\u5bfe\u3057\u3066\u3001Google PageSpeed Insights\u3067\u5229\u7528\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u3001\u4e0b\u8a18\u306e3\u7a2e\u985e\u3068\u306a\u308a\u307e\u3059\u3002<\/p><div class=\"borderbox mb2em\"> <ul class=\"list_dot mb0\"> <li class=\"mb1em\">JPEG 2000<\/li><li class=\"mb1em\">JPEG XR<\/li><li>WebP<\/li><\/ul> <\/div><p><span class=\"txt_bold txt_red\">\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u306f\u3001\u5f93\u6765\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3068\u6bd4\u8f03\u3057\u3066\u753b\u50cf\u306e\u8868\u793a\u901f\u5ea6\u304c\u901f\u3044\u3053\u3068\u304c\u7279\u5fb4<\/span>\u3067\u3059\u3002Web\u30b5\u30a4\u30c8\u306e\u4f7f\u7528\u753b\u50cf\u3092\u5168\u3066\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u66f4\u3059\u308b\u3068\u3001Web\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u3092\u6539\u5584\u3067\u304d\u307e\u3059\u3002<\/p><\/div><h3 class=\"tt2\"><span class=\"ez-toc-section\" id=\"1-1%E3%81%9D%E3%82%82%E3%81%9D%E3%82%82%E3%81%AA%E3%81%9C%E8%A1%A8%E7%A4%BA%E9%80%9F%E5%BA%A6%E3%81%AE%E6%94%B9%E5%96%84%E3%81%8C%E5%BF%85%E8%A6%81%E3%81%A8%E3%81%AA%E3%82%8B%E3%81%AE%E3%81%8B\"><\/span>1-1.\u305d\u3082\u305d\u3082\u306a\u305c\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u304c\u5fc5\u8981\u3068\u306a\u308b\u306e\u304b<span class=\"ez-toc-section-end\"><\/span><\/h3> <div class=\"banner\"><img decoding=\"async\" src=\"https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/06\/img_next_generation_format1-1.jpg\" alt=\"\u305d\u3082\u305d\u3082\u306a\u305c\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u304c\u5fc5\u8981\u3068\u306a\u308b\u306e\u304b\"><\/div><div class=\"txtbox\"> <p>Web\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u304c\u901f\u3044\u3068\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p><div class=\"borderbox mb2em\"> <ul class=\"list_dot mb0\"> <li class=\"mb1em\">\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u304c\u4e0a\u304c\u308b<\/li><li class=\"mb1em\">Web\u30da\u30fc\u30b8\u306e\u76f4\u5e30\u7387\u304c\u4e0b\u304c\u308b<\/li><li>Google\u306e\u8a55\u4fa1\u304c\u4e0a\u304c\u308b<\/li><\/ul> <\/div><p>\u8868\u793a\u901f\u5ea6\u304c\u9045\u3044Web\u30da\u30fc\u30b8\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u4f7f\u3044\u5fc3\u5730\u3092\u640d\u306d\u307e\u3059\u3002\u30ea\u30f3\u30af\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3082\u306a\u304b\u306a\u304b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8aad\u307f\u8fbc\u307f\u304c\u7d42\u308f\u3089\u306a\u3044Web\u30da\u30fc\u30b8\u306b\u3001\u82db\u7acb\u3061\u3092\u611f\u3058\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002Web\u30da\u30fc\u30b8\u306e\u8868\u793a\u306b\u304b\u304b\u308b\u6642\u9593\u304c\u9577\u304f\u306a\u308b\u307b\u3069\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u76f4\u5e30\u7387\u3082\u5897\u52a0\u3059\u308b\u50be\u5411\u3067\u3059\u3002<\/p><p>\u300c\u8868\u793a\u901f\u5ea6\u304c\u9045\u3044\uff1d\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u304c\u60aa\u3044\u300d\u3068\u5224\u65ad\u3055\u308c\u308c\u3070\u3001Google\u304b\u3089\u306e\u8a55\u4fa1\u306f\u4e0b\u304c\u308a\u307e\u3059\u3002<span class=\"txt_bold txt_red\">Web\u30da\u30fc\u30b8\u306e\u9ad8\u901f\u5316\u3092\u56f3\u308b\u3053\u3068\u3067\u30e6\u30fc\u30b6\u30fc\u306e\u6e80\u8db3\u5ea6\u304c\u4e0a\u304c\u308a\u3001Google\u304b\u3089\u306e\u8a55\u4fa1\u30a2\u30c3\u30d7\u306b\u3082\u3064\u306a\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd<\/span>\u3067\u3059\u3002<\/p>\n<div class=\"blog-card \">\n<a href=\"https:\/\/grannet.co.jp\/column\/usability\/\">\n<div class=\"blog-card-thumbnail\"><img src='https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/11\/icatch_usability-418x300.jpg' alt='\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u3068\u306f\uff1f\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3068\u306e\u9055\u3044\u3084\u6e2c\u5b9a\u65b9\u6cd5\u30fb\u6539\u5584\u7b56\u3082'\/><\/div>\n<div class=\"blog-card-content\">\n<div class=\"blog-card-title\">\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u3068\u306f\uff1f\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3068\u306e\u9055\u3044\u3084\u6e2c\u5b9a\u65b9\u6cd5\u30fb\u6539\u5584\u7b56\u3082 <\/div>\n<div class=\"blog-card-excerpt\">\u5f53\u8a18\u4e8b\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u3068\u306f\u4f55\u304b\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30e6\u30fc\u30b6\u30d3\u30ea\u30c6\u30a3\u3092\u6e2c\u308b\u65b9\u6cd5\u3084\u9ad8\u3081\u308b\u305f\u3081\u306e\u6539\u5584\u7b56\u3001\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3068\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u3082\u7d39\u4ecb\u3059\u308b\u305f\u3081\u3001Web\u30b5\u30a4\u30c8\u3092\u904b\u7528\u3057\u3066\u3044\u308b\u4eba\u3084\u4f01\u696d\u306e\u62c5\u5f53\u8005\u306f\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n<\/a>\n<\/div>\n<div class=\"blog-card \">\n<a href=\"https:\/\/grannet.co.jp\/column\/bounce_rate\/\">\n<div class=\"blog-card-thumbnail\"><img src='https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2022\/06\/icatch_bounce_rate-418x300.jpg' alt='\u76f4\u5e30\u7387\u3068\u306f\uff1f\u96e2\u8131\u7387\u3068\u306e\u9055\u3044\u30fb\u76f4\u5e30\u7387\u306e\u76ee\u5b89\u30fb\u539f\u56e0\u5206\u6790\u65b9\u6cd5\u3082'\/><\/div>\n<div class=\"blog-card-content\">\n<div class=\"blog-card-title\">\u76f4\u5e30\u7387\u3068\u306f\uff1f\u96e2\u8131\u7387\u3068\u306e\u9055\u3044\u30fb\u76f4\u5e30\u7387\u306e\u76ee\u5b89\u30fb\u539f\u56e0\u5206\u6790\u65b9\u6cd5\u3082 <\/div>\n<div class=\"blog-card-excerpt\">\u5f53\u8a18\u4e8b\u3067\u306f\u3001\u76f4\u5e30\u7387\u306e\u6982\u8981\u3084\u76ee\u5b89\u3001\u8a08\u7b97\u65b9\u6cd5\u3001\u96e2\u8131\u7387\u3068\u306e\u9055\u3044\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u76f4\u5e30\u7387\u3092Google\u30a2\u30ca\u30ea\u30c6\u30a3\u30af\u30b9\u3067\u8abf\u3079\u308b\u65b9\u6cd5\u3084\u3001\u76f4\u5e30\u306e\u539f\u56e0\u3092\u7279\u5b9a\u3059\u308b\u65b9\u6cd5\u30fb\u6539\u5584\u3059\u308b\u65b9\u6cd5\u3082\u7d39\u4ecb\u3059\u308b\u305f\u3081\u3001Web\u30b5\u30a4\u30c8\u3092\u904b\u55b6\u3057\u3066\u3044\u308b\u65b9\u306f\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n<\/a>\n<\/div><\/div><h2 class=\"tt1\"><span class=\"ez-toc-section\" id=\"2%E6%AC%A1%E4%B8%96%E4%BB%A3%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9E%E3%83%83%E3%83%88%E3%81%AE%E4%B8%BB%E3%81%AA3%E3%81%A4%E3%81%AE%E7%A8%AE%E9%A1%9E%EF%BD%9C%E5%90%84%E7%A8%AE%E9%A1%9E%E3%81%AE%E7%89%B9%E5%BE%B4%E3%81%A8%E5%AF%BE%E5%BF%9C%E3%83%96%E3%83%A9%E3%82%A6%E3%82%B6\"><\/span>2.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u4e3b\u306a3\u3064\u306e\u7a2e\u985e\uff5c\u5404\u7a2e\u985e\u306e\u7279\u5fb4\u3068\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"txtbox\"> <p>\u73fe\u5728\u3001Google PageSpeed Insights\u304b\u3089\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f3\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u7279\u5fb4\u3084\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u304c\u7570\u306a\u308b\u305f\u3081\u3001\u304d\u3061\u3093\u3068\u73fe\u72b6\u3092\u628a\u63e1\u3057\u3066\u304b\u3089\u3069\u306e\u898f\u683c\u3092\u63a1\u7528\u3059\u308b\u304b\u6c7a\u3081\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p><p>\u3053\u3053\u3067\u306f\u3001\u4e3b\u306a\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c83\u7a2e\u985e\u306e\u7279\u5fb4\u3084\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p><\/div><h3 class=\"tt2\"><span class=\"ez-toc-section\" id=\"2-1JPEG_2000\"><\/span>2-1.JPEG 2000<span class=\"ez-toc-section-end\"><\/span><\/h3> <div class=\"txtbox\"> <p>JPEG 2000\u306f\u3001JPEG\u898f\u683c\u59d4\u54e1\u4f1a\u304c2000\u5e74\u9803\u306b\u516c\u958b\u3057\u305fJPEG\u306e\u5f8c\u7d99\u898f\u683c\u3067\u3059\u3002JPEG\u3067\u306f\u3067\u304d\u306a\u3044\u53ef\u9006\u5727\u7e2e\u304c\u53ef\u80fd\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u9ad8\u3044\u8868\u73fe\u529b\u3068\u6027\u80fd\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p>\u305f\u3060\u3057\u3001\u753b\u50cf\u306e\u8868\u73fe\u529b\u304c\u4e0a\u304c\u3063\u305f\u5206\u30011\u679a\u306e\u753b\u50cf\u51e6\u7406\u306b\u304b\u304b\u308b\u8ca0\u62c5\u3082\u5927\u304d\u3044\u3053\u3068\u304c\u6b20\u70b9\u3067\u3059\u3002Web\u30da\u30fc\u30b81\u30da\u30fc\u30b8\u306b\u591a\u6570\u306e\u753b\u50cf\u3092\u63b2\u8f09\u3059\u308b\u30bf\u30a4\u30d7\u306eWeb\u30b5\u30a4\u30c8\u306b\u306f\u5411\u304d\u307e\u305b\u3093\u3002<span class=\"txt_bold txt_red\">\u5730\u7406\u3084\u533b\u7642\u3068\u3044\u3063\u305f\u3001\u8a73\u7d30\u306a\u753b\u50cf\u8868\u73fe\u304c\u6c42\u3081\u3089\u308c\u308b\u5206\u91ce\u306e\u4f7f\u7528\u304c\u60f3\u5b9a<\/span>\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p><p>JPEG 2000\u306e\u62e1\u5f35\u5b50\u30fb\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306f\u4e0b\u8a18\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><blockquote> <div class=\"listTab\"> <table class=\"width100 mb1em\"> <tr> <th>JPEG 2000\u306e\u62e1\u5f35\u5b50<\/th> <\/tr><tr> <td class=\"text_center\">\u300c.jp2\u300d\u300c.j2c\u300d\u300c.j2k\u300d\u300c.jpf\u300d\u300c.jpx\u300d\u300c.jpm\u300d\u300c.mj2\u300d\u300c.jph\u300d<\/td><\/tr><\/table> <table class=\"width100 mb0\"> <tr> <th>JPEG 2000\u304c\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6<\/th> <\/tr><tr> <td class=\"text_center\">\u300csafari\u300d\u300ciOS Safari\u300d\uff08\u5171\u306bver.5\u4ee5\u964d\uff09<\/td><\/tr><\/table> <\/div><div class=\"banner mb0\"><img decoding=\"async\" src=\"https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/06\/img_next_generation_format2-1.jpg\" alt=\"JPEG 2000\"><\/div><\/blockquote> <p class=\"text_right mb0\">\u51fa\u5178\uff1a<cite><a href=\"https:\/\/caniuse.com\/?search=JPEG%202000\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Can I use\u300cCan I use JPEG 2000\uff1f\u300d<\/a><\/cite><\/p><p class=\"text_right\">\u203b\u30c7\u30fc\u30bf\u306f2021\u5e746\u6708\u6642\u70b9\u306e\u3082\u306e\u3067\u3059<\/p><p>JPEG 2000\u304c\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306f\u3001<span class=\"txt_bold\">2021\u5e746\u6708\u6642\u70b9\u306b\u304a\u3044\u3066\u300csafari\u300d\u300ciOS Safari\u300d\u306e\u307f<\/span>\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u591a\u304f\u304cWindows\u3084Android\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u73fe\u72b6\u3092\u8003\u3048\u308b\u3068\u3001\u512a\u5148\u3057\u3066\u5c0e\u5165\u3057\u306a\u304f\u3066\u3082\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u3002\u5c0e\u5165\u3059\u308b\u5834\u5408\u306f\u3001\u975e\u5bfe\u5fdc\u306e\u30d6\u30e9\u30a6\u30b6\u304c\u4ee3\u66ff\u306e\u753b\u50cf\u3092\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p><\/div><h3 class=\"tt2\"><span class=\"ez-toc-section\" id=\"2-2JPEG-XR\"><\/span>2-2.JPEG-XR<span class=\"ez-toc-section-end\"><\/span><\/h3> <div class=\"txtbox\"> <p>JPEG-XR\u306f\u3001JPEG 2000\u3068\u540c\u3058\u304fJPEG\u306e\u5f8c\u7d99\u898f\u683c\u3067\u3059\u3002Microsoft\u304c\u958b\u767a\u5143\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u5727\u7e2e\u7387\u306e\u9ad8\u3055\u3084\u8272\u5f69\u60c5\u5831\u306e\u8c4a\u304b\u3055\u306b\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002<span class=\"txt_bold txt_red\">\u5727\u7e2e\u306e\u52b9\u7387\u304c\u3088\u3044\u305f\u3081\u3001\u540c\u7a0b\u5ea6\u306e\u753b\u50cf\u54c1\u8cea\u3067\u3082JPEG\u3088\u308a\u753b\u50cf\u30c7\u30fc\u30bf\u306e\u30b5\u30a4\u30ba\u30c0\u30a6\u30f3\u304c\u53ef\u80fd<\/span>\u3067\u3059\u3002\u53ef\u9006\u5727\u7e2e\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p>JPEG-XR\u306e\u62e1\u5f35\u5b50\u30fb\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306f\u4e0b\u8a18\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><blockquote> <div class=\"listTab\"> <table class=\"width100 mb1em\"> <tr> <th>JPEG-XR\u306e\u62e1\u5f35\u5b50<\/th> <\/tr><tr> <td class=\"text_center\">\u300c.hdp\u300d\u300c.wdp\u300d\u300c.jxr\u300d<\/td><\/tr><\/table> <table class=\"width100 mb0\"> <tr> <th>JPEG-XR\u304c\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6<\/th> <\/tr><tr> <td class=\"text_center\">\u300cIE\u300d\u300cEdge\u300d<\/td><\/tr><\/table> <\/div><div class=\"banner mb0\"><img decoding=\"async\" src=\"https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/06\/img_next_generation_format2-2.jpg\" alt=\"JPEG-XR\"><\/div><\/blockquote> <p class=\"text_right mb0\">\u51fa\u5178\uff1a<cite><a href=\"https:\/\/caniuse.com\/?search=JPEG%20XR\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Can I use\u300cCan I use JPEG-XR\uff1f\u300d<\/a><\/cite><\/p><p class=\"text_right\">\u203b\u30c7\u30fc\u30bf\u306f2021\u5e746\u6708\u6642\u70b9\u306e\u3082\u306e\u3067\u3059<\/p><p>JPEG-XR\u304c\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306f\u3001<span class=\"txt_bold\">2021\u5e746\u6708\u306e\u6642\u70b9\u306b\u304a\u3044\u3066\u300cIE\u300d\u300cEdge\u300d\u306e\u307f<\/span>\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002Web\u30b5\u30a4\u30c8\u306e\u30e6\u30fc\u30b6\u30fc\u304cMac\u3084iPhone\u3001Chrome\u306a\u3069\u3092\u4f7f\u7528\u3059\u308b\u53ef\u80fd\u6027\u3092\u8003\u3048\u308b\u3068\u3001\u6025\u3044\u3067\u5c0e\u5165\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u3002\u5c0e\u5165\u3059\u308b\u5834\u5408\u306f\u3001\u975e\u5bfe\u5fdc\u306e\u30d6\u30e9\u30a6\u30b6\u304c\u4ee3\u66ff\u306e\u753b\u50cf\u3092\u8868\u793a\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p><\/div><h3 class=\"tt2\"><span class=\"ez-toc-section\" id=\"2-3WebP\"><\/span>2-3.WebP<span class=\"ez-toc-section-end\"><\/span><\/h3> <div class=\"txtbox\"> <p>WebP\u306f\u3001Google\u304c\u65b0\u3057\u304f\u958b\u767a\u3057\u305f\u753b\u50cf\u5f62\u5f0f\u3067\u3059\u3002<span class=\"txt_bold txt_red\">PNG\u3068\u540c\u69d8\u306b\u900f\u904e\u753b\u50cf\u3092\u4f5c\u6210\u3067\u304d\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u753b\u50cf\u4f5c\u6210\u6642\u306eGIF\u5909\u63db\u304c\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/span>JPEG\u3068\u540c\u7a0b\u5ea6\u306e\u753b\u50cf\u54c1\u8cea\u306a\u308920\uff5e30\uff05\u7a0b\u5ea6\u753b\u50cf\u30b5\u30a4\u30ba\u306e\u30c0\u30a6\u30f3\u304c\u53ef\u80fd\u3067\u3059\u3002\u53ef\u9006\u5727\u7e2e\u306b\u3082\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<\/p><p>WebP\u306e\u62e1\u5f35\u5b50\u30fb\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6\u306f\u4e0b\u8a18\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p><blockquote> <div class=\"listTab\"> <table class=\"width100 mb1em\"> <tr> <th>WebP\u306e\u62e1\u5f35\u5b50<\/th> <\/tr><tr> <td class=\"text_center\">\u300c.webp\u300d<\/td><\/tr><\/table> <table class=\"width100 mb0\"> <tr> <th>WebP\u304c\u5bfe\u5fdc\u3059\u308b\u30d6\u30e9\u30a6\u30b6<\/th> <\/tr><tr> <td class=\"text_center\">\u300cIE\u300d\u300cKaiOS Browser\u300d\u4ee5\u5916\u306e\u73fe\u884c\u30d6\u30e9\u30a6\u30b6<\/td><\/tr><\/table> <\/div><div class=\"banner mb0\"><img decoding=\"async\" src=\"https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/06\/img_next_generation_format2-3.jpg\" alt=\"WebP\"><\/div><\/blockquote> <p class=\"text_right mb0\">\u51fa\u5178\uff1a<cite><a href=\"https:\/\/caniuse.com\/?search=WebP\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Can I use\u300cCan I use WebP\uff1f\u300d<\/a><\/cite><\/p><p class=\"text_right\">\u203b\u30c7\u30fc\u30bf\u306f2021\u5e746\u6708\u6642\u70b9\u306e\u3082\u306e\u3067\u3059<\/p><p>WebP\u306f\u3001<span class=\"txt_bold\">2021\u5e746\u6708\u306e\u6642\u70b9\u306b\u304a\u3044\u3066\u300cIE\u300d\u300cKaiOS Browser\u300d\u4ee5\u5916\u306e\u73fe\u884c\u30d6\u30e9\u30a6\u30b6\u5168\u3066\u306b\u5bfe\u5fdc<\/span>\u3057\u3066\u3044\u307e\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306e\u307b\u3068\u3093\u3069\u304c\u95b2\u89a7\u3067\u304d\u308b\u3082\u306e\u306e\u3001Web\u30b5\u30a4\u30c8\u306e\u8a2a\u554f\u8005\u306bIE\u306e\u5229\u7528\u8005\u304c\u591a\u3044\u5834\u5408\u306f\u4ee3\u66ff\u753b\u50cf\u306a\u3069\u306e\u5bfe\u7b56\u304c\u5fc5\u8981\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<div class=\"blog-card \">\n<a href=\"https:\/\/grannet.co.jp\/column\/webp\/\">\n<div class=\"blog-card-thumbnail\"><img src='https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/06\/icatch_webp-418x300.jpg' alt='WebP\uff08\u30a6\u30a7\u30c3\u30d4\u30fc\uff09\u3068\u306f\uff5cJPEG\u30fbPNG\u3068\u306e\u9055\u3044\u30fb\u5909\u63db\u65b9\u6cd5\u3082'\/><\/div>\n<div class=\"blog-card-content\">\n<div class=\"blog-card-title\">WebP\uff08\u30a6\u30a7\u30c3\u30d4\u30fc\uff09\u3068\u306f\uff5cJPEG\u30fbPNG\u3068\u306e\u9055\u3044\u30fb\u5909\u63db\u65b9\u6cd5\u3082 <\/div>\n<div class=\"blog-card-excerpt\">\u8fd1\u5e74\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u308b\u300cWebP\uff08\u30a6\u30a7\u30c3\u30d4\u30fc\uff09\u300d\u306f\u3001\u4eca\u5f8c\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u306b\u306a\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u5f53\u8a18\u4e8b\u3067\u306f\u3001WebP\u3068\u306f\u4f55\u304b\u3001\u4ed6\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u9055\u3044\u3084\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3092\u6319\u3052\u306a\u304c\u3089\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002<\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n<\/a>\n<\/div><\/div><h2 class=\"tt1\"><span class=\"ez-toc-section\" id=\"3%E6%AC%A1%E4%B8%96%E4%BB%A3%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9E%E3%83%83%E3%83%88%E3%81%AE%E7%94%BB%E5%83%8F%E3%81%AE%E9%85%8D%E4%BF%A1%E3%81%AF%E7%8F%BE%E7%8A%B6%E3%81%BE%E3%81%A0%E9%9B%A3%E3%81%97%E3%81%84%EF%BC%9F\"><\/span>3.\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u306e\u914d\u4fe1\u306f\u73fe\u72b6\u307e\u3060\u96e3\u3057\u3044\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"txtbox\"> <p>\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u306f\u3001\u3053\u308c\u307e\u3067\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u6bd4\u3079\u3066\u753b\u50cf\u306e\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304b\u3063\u305f\u308a\u753b\u50cf\u306e\u89e3\u50cf\u5ea6\u304c\u9ad8\u304b\u3063\u305f\u308a\u3068\u512a\u308c\u305f\u6027\u80fd\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u63cf\u5199\u304c\u540c\u7a0b\u5ea6\u306e\u753b\u50cf\u3092\u63b2\u8f09\u3057\u305f\u5834\u5408\u3001\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3042\u308c\u3070Web\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u30a2\u30c3\u30d7\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p><p>\u3057\u304b\u3057\u3001\u3053\u3053\u307e\u3067\u89e3\u8aac\u3057\u305f\u3088\u3046\u306b\u3001<span class=\"txt_bold\">\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u898f\u683c\u306f\u305d\u308c\u305e\u308c\u30d6\u30e9\u30a6\u30b6\u3078\u306e\u5bfe\u5fdc\u72b6\u6cc1\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/span>\u73fe\u72b6\u306fWebP\u753b\u50cf\u304c\u6700\u3082\u591a\u304f\u306e\u30d6\u30e9\u30a6\u30b6\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u3044\u307e\u3060\u6839\u5f37\u3044\u4eba\u6c17\u3092\u8a87\u308bIE\u306b\u306f\u975e\u5bfe\u5fdc\u3067\u3059\u3002<\/p><p>\u753b\u50cf\u3092\u5909\u66f4\u3057\u3066\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3092\u4e0a\u3052\u3066\u3082\u3001\u809d\u5fc3\u306e\u753b\u50cf\u81ea\u4f53\u304c\u8868\u793a\u3055\u308c\u306a\u3051\u308c\u3070\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002<span class=\"txt_bold txt_red\">\u975e\u8868\u793a\u306e\u753b\u50cf\u304c\u591a\u3044Web\u30da\u30fc\u30b8\u306f\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u8a55\u4fa1\u3092\u4e0b\u3052\u308b<\/span>\u305f\u3081\u3001\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u753b\u50cf\u306e\u8868\u793a\u901f\u5ea6\u3092\u9045\u304f\u3057\u3066\u3044\u308b\u539f\u56e0\u304c\u4ed6\u306b\u3042\u308b\u5834\u5408\u306f\u3001\u305d\u306e\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3001\u512a\u5148\u3057\u3066\u5bfe\u51e6\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p><\/div><h2 class=\"tt1\"><span class=\"ez-toc-section\" id=\"4%E3%80%90%E7%94%BB%E5%83%8F%E3%80%91%E8%A1%A8%E7%A4%BA%E9%80%9F%E5%BA%A6%E3%82%92%E6%94%B9%E5%96%84%E3%81%95%E3%81%9B%E3%82%8B%E4%BB%A3%E6%9B%BF%E7%AD%962%E9%81%B8\"><\/span>4.\u3010\u753b\u50cf\u3011\u8868\u793a\u901f\u5ea6\u3092\u6539\u5584\u3055\u305b\u308b\u4ee3\u66ff\u7b562\u9078<span class=\"ez-toc-section-end\"><\/span><\/h2> <div class=\"txtbox\"> <p>\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u5909\u66f4\u3059\u308b\u4ee5\u5916\u306b\u3082\u3001Web\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u3092\u6539\u5584\u3055\u305b\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002\u753b\u50cf\u306e\u8868\u793a\u304c\u9045\u3044\u3068\u611f\u3058\u308b\u5834\u5408\u306f\u3001\u73fe\u884c\u306e\u5f62\u5f0f\u306e\u307e\u307e\u8868\u793a\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u65b9\u6cd5\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p><p>\u3053\u3053\u3067\u306f\u3001\u6b21\u4e16\u4ee3\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u753b\u50cf\u914d\u4fe1\u306b\u4ee3\u308f\u308b\u3001\u753b\u50cf\u306e\u8868\u793a\u901f\u5ea6\u306e\u6539\u5584\u65b9\u6cd5\u30922\u3064\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p><\/div><h3 class=\"tt2\"><span class=\"ez-toc-section\" id=\"4-1%E7%94%BB%E5%83%8F%E3%83%BB%E5%8B%95%E7%94%BB%E3%82%92%E3%81%AA%E3%82%8B%E3%81%B9%E3%81%8F%E6%B8%9B%E3%82%89%E3%81%99\"><\/span>4-1.\u753b\u50cf\u30fb\u52d5\u753b\u3092\u306a\u308b\u3079\u304f\u6e1b\u3089\u3059<span class=\"ez-toc-section-end\"><\/span><\/h3> <div class=\"banner\"><img decoding=\"async\" src=\"https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/06\/img_next_generation_format4-1.jpg\" alt=\"\u753b\u50cf\u30fb\u52d5\u753b\u3092\u306a\u308b\u3079\u304f\u6e1b\u3089\u3059\"><\/div><div class=\"txtbox\"> <p>\u307e\u305a\u3001Web\u30da\u30fc\u30b8\u306b\u63b2\u8f09\u3059\u308b\u753b\u50cf\u30fb\u52d5\u753b\u306e\u6570\u3092\u306a\u308b\u3079\u304f\u6e1b\u3089\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u591a\u7528\u3055\u308c\u3066\u3044\u308b\u30a2\u30a4\u30b3\u30f3\u3084\u30dc\u30bf\u30f3\u3001\u80cc\u666f\u306e\u88c5\u98fe\u306b\u4f7f\u7528\u3059\u308b\u753b\u50cf\u3092\u6e1b\u3089\u305b\u306a\u3044\u304b\u691c\u8a0e\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002Web\u30b5\u30a4\u30c8\u306e\u76ee\u7684\u306b\u3088\u3063\u3066\u306f\u3001\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u3082\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p><p><span class=\"txt_bold\">\u8a00\u8449\u3067\u8868\u73fe\u3067\u304d\u308b\u90e8\u5206\u306f\u6587\u5b57\u306e\u307f\u3067\u8a18\u8ff0\u3057\u3001\u6587\u5b57\u306e\u88c5\u98fe\u3082\u6700\u4f4e\u9650\u306b\u3059\u308b\u306a\u3069\u3001Web\u30da\u30fc\u30b8\u306e\u5bb9\u91cf\u3092\u5897\u3084\u3059\u8981\u56e0\u3092\u3067\u304d\u308b\u9650\u308a\u524a\u308a\u307e\u3059\u3002<\/span>Web\u30da\u30fc\u30b8\u306b\u63b2\u8f09\u3059\u308b\u753b\u50cf\u30fb\u52d5\u753b\u306f\u3001<span class=\"txt_bold txt_red\">\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u672c\u5f53\u306b\u5fc5\u8981\u306a\u60c5\u5831\u304b\u5426\u304b\u3067\u9078\u5225<\/span>\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p><\/div><h3 class=\"tt2\"><span class=\"ez-toc-section\" id=\"4-2%E7%94%BB%E5%83%8F%E3%83%BB%E5%8B%95%E7%94%BB%E3%81%AE%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E3%82%B5%E3%82%A4%E3%82%BA%E3%82%92%E8%BB%BD%E9%87%8F%E5%8C%96%E3%81%99%E3%82%8B\"><\/span>4-2.\u753b\u50cf\u30fb\u52d5\u753b\u306e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u8efd\u91cf\u5316\u3059\u308b<span class=\"ez-toc-section-end\"><\/span><\/h3> <div class=\"txtbox\"> <p>\u6b21\u306b\u3001\u6b8b\u3059\u5fc5\u8981\u304c\u3042\u308b\u753b\u50cf\u30fb\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u306e\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba\u3092\u8efd\u91cf\u5316\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001<span class=\"txt_bold txt_red\">\u753b\u50cf\u30fb\u52d5\u753b\u306e\u89e3\u50cf\u5ea6\u3092\u4e0b\u3052\u305f\u308a\u3001\u4e0d\u8981\u306a\u90e8\u5206\u3092\u30ab\u30c3\u30c8\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u5927\u5e45\u306b\u524a\u6e1b<\/span>\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002\u4e0b\u8a18\u306e\u753b\u50cf\u5727\u7e2e\u30b5\u30fc\u30d3\u30b9\u306a\u3069\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u30aa\u30f3\u30e9\u30a4\u30f3\u4e0a\u3067\u753b\u50cf\u5bb9\u91cf\u3092\u6e1b\u3089\u3059\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p><div class=\"borderbox mb2em\"> <ul class=\"list_dot mb0\"> <li class=\"mb1em\"><a href=\"https:\/\/www.iloveimg.com\/ja\/compress-image\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">iLoveIMG<\/a><\/li><li class=\"mb1em\"><a href=\"https:\/\/imagecompressor.com\/ja\/\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Optimizilla<\/a><\/li><li><a href=\"https:\/\/tinypng.com\/\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">TinyPNG<\/a><\/li><\/ul> <\/div><p>\u307e\u305f\u3001JPEG\u306f\u5199\u771f\u5411\u304d\u3001GIF\u306f\u5358\u8272\u306e\u30ed\u30b4\u3084\u30a2\u30a4\u30b3\u30f3\u5411\u304d\u3068\u306a\u3063\u3066\u304a\u308a\u3001PNG\u306fbit\u6570\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5e45\u5e83\u304f\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<span class=\"txt_bold\">\u63b2\u8f09\u3059\u308b\u753b\u50cf\u306e\u7a2e\u985e\u3054\u3068\u306b\u9069\u5207\u306a\u898f\u683c\u3092\u9078\u3073\u307e\u3057\u3087\u3046\u3002<\/span><\/p><\/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>Google PageSpeed 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class=\"blog-card \">\n<a href=\"https:\/\/grannet.co.jp\/column\/seo_image\/\">\n<div class=\"blog-card-thumbnail\"><img src='https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2022\/05\/icatch_seo_image-418x300.jpg' alt='SEO\u52b9\u679c\u3092\u9ad8\u3081\u308b\u753b\u50cf\u306e\u4f7f\u3044\u65b9\u3068\u306f\uff1f\u8a2d\u7f6e\u3059\u308b\u3068\u304d\u306e\u30dd\u30a4\u30f3\u30c8\u3082'\/><\/div>\n<div class=\"blog-card-content\">\n<div class=\"blog-card-title\">SEO\u52b9\u679c\u3092\u9ad8\u3081\u308b\u753b\u50cf\u306e\u4f7f\u3044\u65b9\u3068\u306f\uff1f\u8a2d\u7f6e\u3059\u308b\u3068\u304d\u306e\u30dd\u30a4\u30f3\u30c8\u3082 <\/div>\n<div class=\"blog-card-excerpt\">SEO\u52b9\u679c\u3092\u9ad8\u3081\u308b\u753b\u50cf\u306e\u4f7f\u3044\u65b9\u3068\u30dd\u30a4\u30f3\u30c8\u30928\u3064\u306e\u9805\u76ee\u306b\u5206\u3051\u3066\u5fb9\u5e95\u89e3\u8aac\u3057\u307e\u3059\u3002\u9069\u5207\u306b\u753b\u50cf\u306e\u8a2d\u7f6e\u306f\u3001Google\u304b\u3089\u306e\u8a55\u4fa1\u3092\u9ad8\u3081\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u691c\u7d22\u7d50\u679c\u306e\u4e0a\u4f4d\u8868\u793a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u30b5\u30a4\u30c8\u306e\u904b\u55b6\u8005\u30fbWeb\u62c5\u5f53\u8005\u306e\u65b9\u306f\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n<\/a>\n<\/div>\n<div class=\"blog-card \">\n<a href=\"https:\/\/grannet.co.jp\/column\/fcp_improvement\/\">\n<div class=\"blog-card-thumbnail\"><img src='https:\/\/grannet.co.jp\/column\/wp-content\/uploads\/2021\/06\/icatch_fcp_improvement-418x300.jpg' alt='FCP\u306e\u6539\u5584\u65b9\u6cd53\u9078\uff06\u8868\u793a\u901f\u5ea6\u306e\u6e2c\u5b9a\u65b9\u6cd5\u30fb\u304a\u3059\u3059\u3081\u30c4\u30fc\u30eb\u3092\u7d39\u4ecb\uff01'\/><\/div>\n<div class=\"blog-card-content\">\n<div class=\"blog-card-title\">FCP\u306e\u6539\u5584\u65b9\u6cd53\u9078\uff06\u8868\u793a\u901f\u5ea6\u306e\u6e2c\u5b9a\u65b9\u6cd5\u30fb\u304a\u3059\u3059\u3081\u30c4\u30fc\u30eb\u3092\u7d39\u4ecb\uff01 <\/div>\n<div class=\"blog-card-excerpt\">\u5f53\u8a18\u4e8b\u3067\u306f\u3001FCP\u3092\u6539\u5584\u3057Web\u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u3092\u4e0a\u3052\u305f\u3044\u65b9\u306b\u5411\u3051\u3066\u3001FCP\u306e\u30c1\u30a7\u30c3\u30af\u30c4\u30fc\u30eb\u3084\u6e2c\u5b9a\u65b9\u6cd5\u3092\u3001\u6539\u5584\u65b9\u6cd5\u3092\u8a73\u7d30\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002\u904b\u55b6\u3057\u3066\u3044\u308bWeb\u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u3084\u76f4\u5e30\u7387\u306b\u60a9\u3093\u3067\u3044\u308b\u65b9\u306f\u3001\u305c\u3072\u53c2\u8003\u306b\u3057\u3066\u4e0b\u3055\u3044\u3002<\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n<\/a>\n<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>\u6628\u4eca\u3067\u306fWeb\u30da\u30fc\u30b8\u306e\u8868\u793a\u901f\u5ea6\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u4eba\u304c\u5897\u3048\u3066\u304a\u308a\u3001\u300cGoogle PageSpe\u2026<\/p>\n","protected":false},"author":1,"featured_media":1586,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[149,150,133,151],"acf":{"show_focus":false,"show_recommend":false,"show_top2":false,"top_image2":false,"show_top3":false,"top_image3":false,"show_top4":false,"top_image4":false},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/posts\/1046"}],"collection":[{"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/comments?post=1046"}],"version-history":[{"count":6,"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/posts\/1046\/revisions"}],"predecessor-version":[{"id":3601,"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/posts\/1046\/revisions\/3601"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/media\/1586"}],"wp:attachment":[{"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/media?parent=1046"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/categories?post=1046"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/grannet.co.jp\/column\/wp-json\/wp\/v2\/tags?post=1046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}