{"id":8124,"date":"2026-01-16T12:44:31","date_gmt":"2026-01-16T03:44:31","guid":{"rendered":"https:\/\/wpmake.jp\/contents\/?post_type=wpplugin&#038;p=8124"},"modified":"2026-01-16T12:44:31","modified_gmt":"2026-01-16T03:44:31","slug":"performance-lab","status":"publish","type":"wpplugin","link":"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/","title":{"rendered":"WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u3068\u306f\uff1f\u4e3b\u306a\u6a5f\u80fd\u3084\u4f7f\u3044\u65b9\u3092\u89e3\u8aac"},"content":{"rendered":"<p>\u4eca\u3001WordPress\u306e\u30b5\u30a4\u30c8\u9ad8\u901f\u5316\u3092\u53f6\u3048\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u3057\u3066\u6ce8\u76ee\u3092\u96c6\u3081\u3066\u3044\u308bPerformance Lab\u3002Performance Lab\u3092\u5c0e\u5165\u3059\u308c\u3070\u3001\u6700\u65b0\u6280\u8853\u3092\u53d6\u308a\u5165\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u7528\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u3044\u3061\u65e9\u304f\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u305d\u3093\u306aPerformance Lab\u306b\u3064\u3044\u3066\u3001\u7279\u9577\u3084\u4e3b\u306a\u6a5f\u80fd\u3001\u6ce8\u610f\u70b9\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\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=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span 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href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#Optimization_Detective%EF%BC%9A%E4%B8%8D%E8%A6%81%E3%81%AACSS%E3%83%BBJS%E3%82%92%E8%87%AA%E5%8B%95%E3%81%A7%E6%A4%9C%E5%87%BA\" >Optimization Detective\uff1a\u4e0d\u8981\u306aCSS\u30fbJS\u3092\u81ea\u52d5\u3067\u691c\u51fa<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#Performant_Translations%EF%BC%9A%E7%BF%BB%E8%A8%B3%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF%E9%AB%98%E9%80%9F%E5%8C%96\" >Performant Translations\uff1a\u7ffb\u8a33\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u9ad8\u901f\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" 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href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#Web_Worker_Offloading%EF%BC%9AJavaScript%E3%81%AE%E5%AE%9F%E8%A1%8C%E3%82%92%E5%88%A5%E3%82%B9%E3%83%AC%E3%83%83%E3%83%89%E3%81%A7%E5%87%A6%E7%90%86\" >Web Worker Offloading\uff1aJavaScript\u306e\u5b9f\u884c\u3092\u5225\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#WordPress%E5%85%AC%E5%BC%8F%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%80%8CPerformance_Lab%E3%80%8D%E3%81%AE%E5%B0%8E%E5%85%A5%E6%96%B9%E6%B3%95%E3%83%BB%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95\" >WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u306e\u5c0e\u5165\u65b9\u6cd5\u30fb\u4f7f\u7528\u65b9\u6cd5<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#1%E7%AE%A1%E7%90%86%E7%94%BB%E9%9D%A2%E3%81%BE%E3%81%9F%E3%81%AF%E5%85%AC%E5%BC%8F%E3%82%B5%E3%82%A4%E3%83%88%E3%81%8B%E3%82%89%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\" >1.\u7ba1\u7406\u753b\u9762\u307e\u305f\u306f\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#2%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%82%92%E6%9C%89%E5%8A%B9%E5%8C%96\" >2.\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#3%E5%BF%85%E8%A6%81%E3%81%AA%E3%83%A2%E3%82%B8%E3%83%A5%E3%83%BC%E3%83%AB%E3%82%92%E6%9C%89%E5%8A%B9%E5%8C%96\" >3.\u5fc5\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6709\u52b9\u5316<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#WordPress%E5%85%AC%E5%BC%8F%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%80%8CPerformance_Lab%E3%80%8D%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\" >WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\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-23\" href=\"https:\/\/wpmake.jp\/contents\/plugin\/performance-lab\/#%E3%81%BE%E3%81%A8%E3%82%81\" >\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"WordPress%E5%85%AC%E5%BC%8F%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%80%8CPerformance_Lab%E3%80%8D%E3%81%A8%E3%81%AF%EF%BC%9F\"><\/span>WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u3068\u306f\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u306f\u3001WordPress\u30b5\u30a4\u30c8\u306e\u9ad8\u901f\u5316\u3092\u691c\u8a3c\u30fb\u4f53\u9a13\u3059\u308b\u305f\u3081\u306e\u7121\u6599\u306e\u30c6\u30b9\u30c8\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002<\/p>\n<p>Performance Lab\u3067\u306f\u3001\u5c06\u6765\u7684\u306bWordPress\u672c\u4f53\u3078\u5b9f\u88c5\u3055\u308c\u308b\u4e88\u5b9a\u306e\u6700\u65b0\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u95a2\u9023\u6a5f\u80fd\u304c\u516c\u5f0f\u3088\u308a\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u4eca\u5f8c\u6a19\u6e96\u5316\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u6280\u8853\u3092\u9078\u8003\u3057\u3066\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u3067\u3059\u3002<\/p>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584\u3092\u91cd\u8996\u3059\u308bWordPress\u30b5\u30a4\u30c8\u904b\u55b6\u8005\u3084\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u6709\u7528\u3067\u3042\u308a\u3001\u300cWordPress\u3092\u9ad8\u901f\u5316\u3057\u305f\u3044\u304c\u3001\u3069\u306e\u65bd\u7b56\u304c\u6709\u52b9\u304b\u308f\u304b\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u9078\u629e\u80a2\u306e\u4e00\u3064\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Performance Lab \u516c\u5f0f\u30b5\u30a4\u30c8\u306f<a href=\"https:\/\/ja.wordpress.org\/plugins\/performance-lab\/\" target=\"_blank\" rel=\"noopener\">\u3053\u3061\u3089<\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"WordPress%E5%85%AC%E5%BC%8F%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%80%8CPerformance_Lab%E3%80%8D%E3%81%AE%E7%89%B9%E9%95%B7\"><\/span>WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u306e\u7279\u9577<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Performance Lab\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u9577\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%85%AC%E5%BC%8F%E3%83%81%E3%83%BC%E3%83%A0%E3%81%8C%E9%96%8B%E7%99%BA\"><\/span>\u516c\u5f0f\u30c1\u30fc\u30e0\u304c\u958b\u767a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Performance Lab\u306f\u3001WordPress\u306e\u516c\u5f0f\u30c1\u30fc\u30e0\u304c\u958b\u767a\u30fb\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5229\u7528\u3067\u304d\u308b\u6a5f\u80fd\u306f\u6b63\u5f0f\u30ea\u30ea\u30fc\u30b9\u524d\u306e\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u4fe1\u983c\u6027\u304c\u9ad8\u304f\u3001WordPress\u306e\u958b\u767a\u65b9\u91dd\u306b\u6cbf\u3063\u305f\u6539\u5584\u3092\u3044\u3061\u65e9\u304f\u8a66\u305b\u308b\u70b9\u304c\u5927\u304d\u306a\u7279\u9577\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%B0%82%E9%96%80%E7%9F%A5%E8%AD%98%E3%81%AA%E3%81%97%E3%81%A7%E7%B0%A1%E5%8D%98\"><\/span>\u5c02\u9580\u77e5\u8b58\u306a\u3057\u3067\u7c21\u5358<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Performance Lab\u306f\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u306e\u3061\u306b\u7ba1\u7406\u753b\u9762\u304b\u3089\u6a5f\u80fd\u3092\u6709\u52b9\u5316\u3059\u308b\u3060\u3051\u306e\u64cd\u4f5c\u3067\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306e\u7de8\u96c6\u3084\u8907\u96d1\u306a\u8a2d\u5b9a\u304c\u4e0d\u8981\u306a\u306e\u3067\u3001\u5c02\u9580\u7684\u306a\u958b\u767a\u77e5\u8b58\u304c\u306a\u3044\u521d\u5fc3\u8005\u3067\u3082\u6271\u3044\u3084\u3059\u304f\u3001\u30b5\u30a4\u30c8\u9ad8\u901f\u5316\u306e\u52b9\u679c\u3092\u6bb5\u968e\u7684\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E5%A4%9A%E5%BD%A9%E3%81%AA%E6%A9%9F%E8%83%BD%E3%82%92%E5%8F%96%E6%8D%A8%E9%81%B8%E6%8A%9E%E3%81%97%E3%81%A6%E4%BD%BF%E7%94%A8%E5%8F%AF%E8%83%BD\"><\/span>\u591a\u5f69\u306a\u6a5f\u80fd\u3092\u53d6\u6368\u9078\u629e\u3057\u3066\u4f7f\u7528\u53ef\u80fd<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Performance Lab\u3067\u306f\u3001\u8907\u6570\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u6a5f\u80fd\u304c\u30e2\u30b8\u30e5\u30fc\u30eb\u5f62\u5f0f\u3067\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002\u5fc5\u8981\u306a\u6a5f\u80fd\u3060\u3051\u3092\u53d6\u6368\u9078\u629e\u3057\u3066\u6709\u52b9\u5316\u3067\u304d\u308b\u305f\u3081\u3001\u30b5\u30a4\u30c8\u69cb\u6210\u3084\u76ee\u7684\u306b\u5fdc\u3058\u3066\u67d4\u8edf\u306b\u8abf\u6574\u3067\u304d\u3001\u4e0d\u8981\u306a\u51e6\u7406\u306b\u3088\u308b\u8868\u793a\u901f\u5ea6\u306e\u4f4e\u4e0b\u3092\u907f\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3088\u3063\u3066\u306f\u6271\u3044\u304c\u96e3\u3057\u3044\u3082\u306e\u3082\u3042\u308a\u3001\u5358\u7d14\u306b\u6709\u52b9\u5316\u3059\u308c\u3070\u6700\u9069\u5316\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u81ea\u4f53\u306f\u7c21\u5358\u3067\u3059\u304c\u3001\u5404\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u76ee\u7684\u3092\u7406\u89e3\u3057\u3066\u4f7f\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"WordPress%E5%85%AC%E5%BC%8F%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%80%8CPerformance_Lab%E3%80%8D%E3%81%AE%E4%B8%BB%E3%81%AA%E6%A9%9F%E8%83%BD\"><\/span>WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u306e\u4e3b\u306a\u6a5f\u80fd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>2025\u5e7412\u6708\u73fe\u5728\u3001Performance Lab\u3067\u306f\u4ee5\u4e0b\u306e\u6a5f\u80fd\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Embed_Optimizer%EF%BC%9A%E5%9F%8B%E3%82%81%E8%BE%BC%E3%81%BF%E3%83%91%E3%83%95%E3%82%A9%E3%83%BC%E3%83%9E%E3%83%B3%E3%82%B9%E3%81%AE%E6%9C%80%E9%81%A9%E5%8C%96\"><\/span>Embed Optimizer\uff1a\u57cb\u3081\u8fbc\u307f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>YouTube\u3084X\uff08\u65e7Twitter\uff09\u306a\u3069\u306e\u57cb\u3081\u8fbc\u307f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6700\u9069\u5316\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u521d\u671f\u8aad\u307f\u8fbc\u307f\u6642\u306e\u4e0d\u8981\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u6291\u5236\u3059\u308b\u3053\u3068\u3067\u3001\u8868\u793a\u901f\u5ea6\u306e\u4f4e\u4e0b\u3092\u9632\u3050\u52b9\u679c\u3092\u898b\u8fbc\u3081\u307e\u3059\u3002\u30da\u30fc\u30b8\u8868\u793a\u306e\u4f53\u611f\u901f\u5ea6\u3092\u6539\u5584\u3057\u305f\u3044\u5834\u5408\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Enhanced_Responsive_Images%EF%BC%9A%E3%83%AC%E3%82%B9%E3%83%9D%E3%83%B3%E3%82%B7%E3%83%96%E7%94%BB%E5%83%8F%E6%A9%9F%E8%83%BD%E3%81%AE%E5%BC%B7%E5%8C%96\"><\/span>Enhanced Responsive Images\uff1a\u30ec\u30b9\u30dd\u30f3\u30b7\u30d6\u753b\u50cf\u6a5f\u80fd\u306e\u5f37\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8868\u793a\u30b5\u30a4\u30ba\u3084\u7aef\u672b\u306b\u5fdc\u3058\u3066\u3001\u9069\u5207\u306a\u753b\u50cf\u3092\u81ea\u52d5\u7684\u306b\u914d\u4fe1\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u7121\u99c4\u306a\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\u3092\u6e1b\u3089\u3057\u3001\u901a\u4fe1\u91cf\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u4e3b\u306b\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u3092\u306f\u3058\u3081\u3068\u3057\u305f\u30e2\u30d0\u30a4\u30eb\u7aef\u672b\u306b\u304a\u3051\u308b\u753b\u50cf\u8868\u793a\u306e\u9ad8\u901f\u5316\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Image_Placeholders%EF%BC%9A%E7%94%BB%E5%83%8F%E3%83%97%E3%83%AC%E3%83%BC%E3%82%B9%E3%83%9B%E3%83%AB%E3%83%80%E3%83%BC\"><\/span>Image Placeholders\uff1a\u753b\u50cf\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u753b\u50cf\u8aad\u307f\u8fbc\u307f\u524d\u306b\u8efd\u91cf\u306a\u4eee\u306e\u753b\u50cf\uff08\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\uff09\u3092\u8868\u793a\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3067\u8996\u899a\u7684\u306a\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u30ba\u30ec\u3092\u9632\u6b62\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u5b89\u5b9a\u5316\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u4eee\u3067\u3042\u3063\u3066\u3082\u4f55\u3089\u304b\u306e\u8868\u793a\u304c\u3055\u308c\u308b\u3053\u3068\u3067\u3001\u300c\u8aad\u307f\u8fbc\u307f\u304c\u9045\u3044\u300d\u3068\u30e6\u30fc\u30b6\u30fc\u304c\u611f\u3058\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Image_Prioritizer%EF%BC%9A%E7%94%BB%E5%83%8F%E3%81%AE%E5%84%AA%E5%85%88%E5%88%B6%E5%BE%A1\"><\/span>Image Prioritizer\uff1a\u753b\u50cf\u306e\u512a\u5148\u5236\u5fa1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>LCP\uff08\u30e1\u30a4\u30f3\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8868\u793a\u6642\u9593\uff09\u306b\u95a2\u4fc2\u3059\u308b\u91cd\u8981\u306a\u753b\u50cf\u3092\u512a\u5148\u7684\u306b\u8aad\u307f\u8fbc\u3080\u6a5f\u80fd\u3067\u3059\u3002 \u91cd\u8981\u5ea6\u306e\u4f4e\u3044\u753b\u50cf\u306e\u8868\u793a\u512a\u5148\u5ea6\u3092\u4e0b\u3052\u308b\u3053\u3068\u3067\u3001\u4e0d\u8981\u306a\u9045\u5ef6\u3092\u9632\u304e\u3001\u8868\u793a\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306e\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002 Core Web Vitals\u5bfe\u7b56\u3068\u3057\u3066\u6709\u52b9\u3067\u3042\u308a\u3001\u7279\u306b\u753b\u50cf\u304c\u591a\u3044\u30da\u30fc\u30b8\u3067\u9ad8\u3044\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Modern_Image_Formats%EF%BC%9AWebP%E3%81%A8AVIF%E3%81%AE%E3%82%B5%E3%83%9D%E3%83%BC%E3%83%88%E8%BF%BD%E5%8A%A0\"><\/span>Modern Image Formats\uff1aWebP\u3068AVIF\u306e\u30b5\u30dd\u30fc\u30c8\u8ffd\u52a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>WebP\u3084AVIF\u306a\u3069\u306e\u6b21\u4e16\u4ee3\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u81ea\u52d5\u3067\u5229\u7528\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u3002 \u3053\u308c\u3089\u306e\u6b21\u4e16\u4ee3\u753b\u50cf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306f\u3001JPEG\u3084PNG\u3088\u308a\u3082\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u3044\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308a\u307e\u3059\u3002\u753b\u8cea\u3092\u4fdd\u3063\u305f\u307e\u307e\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u3092\u524a\u6e1b\u3057\u3001\u901a\u4fe1\u91cf\u3092\u6291\u3048\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002 \u753b\u50cf\u4e2d\u5fc3\u306e\u30b5\u30a4\u30c8\u3067\u3068\u308a\u308f\u3051\u52b9\u679c\u7684\u3067\u3059\u3002\u307e\u305f\u3001\u30e2\u30d0\u30a4\u30eb\u74b0\u5883\u3067\u3082\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"No-cache_BFCache%EF%BC%9A%E3%83%96%E3%83%A9%E3%82%A6%E3%82%B6%E3%81%AE%E3%80%8C%E6%88%BB%E3%82%8B%E6%93%8D%E4%BD%9C%E3%80%8D%E3%82%92%E9%AB%98%E9%80%9F%E5%8C%96\"><\/span>No-cache BFCache\uff1a\u30d6\u30e9\u30a6\u30b6\u306e\u300c\u623b\u308b\u64cd\u4f5c\u300d\u3092\u9ad8\u901f\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30d6\u30e9\u30a6\u30b6\u306e\u623b\u308b\u30fb\u9032\u3080\u64cd\u4f5c\u3092\u9ad8\u901f\u5316\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u96e2\u8131\u3057\u305f\u30da\u30fc\u30b8\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u30e1\u30e2\u30ea\u306b\u4fdd\u5b58\u3059\u308b\u3053\u3068\u3067\u3001\u623b\u308b\u30fb\u9032\u3080\u64cd\u4f5c\u6642\u306e\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002\u56de\u904a\u6027\u306e\u9ad8\u3044Web\u30b5\u30a4\u30c8\u306b\u304a\u3044\u3066\u3001UX\u6539\u5584\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Optimization_Detective%EF%BC%9A%E4%B8%8D%E8%A6%81%E3%81%AACSS%E3%83%BBJS%E3%82%92%E8%87%AA%E5%8B%95%E3%81%A7%E6%A4%9C%E5%87%BA\"><\/span>Optimization Detective\uff1a\u4e0d\u8981\u306aCSS\u30fbJS\u3092\u81ea\u52d5\u3067\u691c\u51fa<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30da\u30fc\u30b8\u3054\u3068\u306b\u4e0d\u8981\u306aCSS\u3084JavaScript\u3092\u691c\u51fa\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u4e0d\u8981\u306aCSS\u3084JavaScript\u306b\u306f\u3001\u5b9f\u969b\u306b\u4f7f\u308f\u308c\u3066\u3044\u306a\u3044\u30b3\u30fc\u30c9\u306a\u3069\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6539\u5584\u306e\u30d2\u30f3\u30c8\u3092\u53ef\u8996\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u30b3\u30fc\u30c9\u306f\u81ea\u52d5\u7684\u306b\u524a\u9664\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u3042\u304f\u307e\u3067\u300c\u7279\u5b9a\u30fb\u53ef\u8996\u5316\u300d\u3055\u308c\u308b\u3060\u3051\u3067\u3059\u3002\u3053\u306e\u305f\u3081Web\u30b5\u30a4\u30c8\u306e\u958b\u767a\u8005\u304c\u3001\u624b\u52d5\u3067\u30da\u30fc\u30b8\u3092\u8abf\u6574\u3059\u308b\u524d\u306e\u8abf\u67fb\u3092\u884c\u3046\u7528\u9014\u3067\u306e\u4f7f\u7528\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Performant_Translations%EF%BC%9A%E7%BF%BB%E8%A8%B3%E3%83%95%E3%82%A1%E3%82%A4%E3%83%AB%E8%AA%AD%E3%81%BF%E8%BE%BC%E3%81%BF%E9%AB%98%E9%80%9F%E5%8C%96\"><\/span>Performant Translations\uff1a\u7ffb\u8a33\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u8fbc\u307f\u9ad8\u901f\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u591a\u8a00\u8a9e\u5316\u306b\u4f7f\u7528\u3055\u308c\u308b\u7ffb\u8a33\u30d5\u30a1\u30a4\u30eb\uff08.mo\uff09\u306e\u8aad\u307f\u8fbc\u307f\u3092\u6700\u9069\u5316\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002 PHP\u51e6\u7406\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3057\u3001\u7ba1\u7406\u753b\u9762\u30fb\u30d5\u30ed\u30f3\u30c8\u753b\u9762\u306e\u8868\u793a\u901f\u5ea6\u3092\u5411\u4e0a\u3057\u307e\u3059\u3002 \u591a\u8a00\u8a9e\u30b5\u30a4\u30c8\u306e\u8868\u793a\u901f\u5ea6\u6539\u5584\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Speculative_Loading%EF%BC%9A%E3%83%A6%E3%83%BC%E3%82%B6%E3%83%BC%E3%81%AE%E6%AC%A1%E3%81%AE%E8%A1%8C%E5%8B%95%E3%82%92%E4%BA%88%E6%B8%AC%E3%83%BB%E5%85%88%E8%AA%AD%E3%81%BF\"><\/span>Speculative Loading\uff1a\u30e6\u30fc\u30b6\u30fc\u306e\u6b21\u306e\u884c\u52d5\u3092\u4e88\u6e2c\u30fb\u5148\u8aad\u307f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30de\u30a6\u30b9\u30db\u30d0\u30fc\u3084\u64cd\u4f5c\u50be\u5411\u3092\u3082\u3068\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6b21\u306b\u958b\u304d\u305d\u3046\u306a\u79fb\u52d5\u5148\u3092\u4e88\u6e2c\u3057\u3001\u4e8b\u524d\u306b\u8aad\u307f\u8fbc\u307f\u3092\u958b\u59cb\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002 \u3053\u308c\u306b\u3088\u308a\u30af\u30ea\u30c3\u30af\u5f8c\u306e\u8868\u793a\u5f85\u3061\u6642\u9593\u3092\u77ed\u7e2e\u3057\u3001 \u4f53\u611f\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"View_Transitions%EF%BC%9A%E3%83%9A%E3%83%BC%E3%82%B8%E9%81%B7%E7%A7%BB%E3%82%92%E3%82%A2%E3%83%8B%E3%83%A1%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3%E3%81%AB%E7%BD%AE%E3%81%8D%E6%8F%9B%E3%81%88\"><\/span>View Transitions\uff1a\u30da\u30fc\u30b8\u9077\u79fb\u3092\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306b\u7f6e\u304d\u63db\u3048<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30da\u30fc\u30b8\u3092\u5207\u308a\u66ff\u3048\u308b\u969b\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u9069\u7528\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u753b\u9762\u3092\u306a\u3081\u3089\u304b\u306b\u9077\u79fb\u3055\u305b\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3067\u3042\u308a\u3001\u8868\u793a\u306e\u30ab\u30af\u3064\u304d\u3084\u9055\u548c\u611f\u3092\u8efd\u6e1b\u3057\u307e\u3059\u3002 UX\u5411\u4e0a\u3092\u91cd\u8996\u3059\u308b\u30b5\u30a4\u30c8\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Web_Worker_Offloading%EF%BC%9AJavaScript%E3%81%AE%E5%AE%9F%E8%A1%8C%E3%82%92%E5%88%A5%E3%82%B9%E3%83%AC%E3%83%83%E3%83%89%E3%81%A7%E5%87%A6%E7%90%86\"><\/span>Web Worker Offloading\uff1aJavaScript\u306e\u5b9f\u884c\u3092\u5225\u30b9\u30ec\u30c3\u30c9\u3067\u51e6\u7406<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u91cd\u3044JavaScript\u51e6\u7406\u3092\u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u304b\u3089\u5206\u96e2\u3057\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u3067\u5b9f\u884c\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002 \u30e1\u30a4\u30f3\u30b9\u30ec\u30c3\u30c9\u306e\u8ca0\u8377\u3092\u8efd\u6e1b\u3059\u308b\u3053\u3068\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3084\u30af\u30ea\u30c3\u30af\u306e\u9045\u5ef6\u3092\u9632\u6b62\u3057\u3001\u64cd\u4f5c\u6027\u3068\u8868\u793a\u901f\u5ea6\u3092\u4e21\u7acb\u3055\u305b\u307e\u3059\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"WordPress%E5%85%AC%E5%BC%8F%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%80%8CPerformance_Lab%E3%80%8D%E3%81%AE%E5%B0%8E%E5%85%A5%E6%96%B9%E6%B3%95%E3%83%BB%E4%BD%BF%E7%94%A8%E6%96%B9%E6%B3%95\"><\/span>WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u306e\u5c0e\u5165\u65b9\u6cd5\u30fb\u4f7f\u7528\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1%E7%AE%A1%E7%90%86%E7%94%BB%E9%9D%A2%E3%81%BE%E3%81%9F%E3%81%AF%E5%85%AC%E5%BC%8F%E3%82%B5%E3%82%A4%E3%83%88%E3%81%8B%E3%82%89%E3%82%A4%E3%83%B3%E3%82%B9%E3%83%88%E3%83%BC%E3%83%AB\"><\/span>1.\u7ba1\u7406\u753b\u9762\u307e\u305f\u306f\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u306f\u3058\u3081\u306bPerformance Lab\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u65b9\u6cd5\u306f\u7ba1\u7406\u753b\u9762\u304b\u3089\u691c\u7d22\u3059\u308b\u65b9\u6cd5\u3068\u3001\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u65b9\u6cd5\u306e2\u3064\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab01.png\" alt=\"\u7ba1\u7406\u753b\u9762\u307e\u305f\u306f\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\" width=\"1200\" height=\"627\" class=\"alignnone size-full wp-image-8130\" srcset=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab01.png 1200w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab01-300x157.png 300w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab01-1024x535.png 1024w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab01-768x401.png 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u7ba1\u7406\u753b\u9762\u304b\u3089\u691c\u7d22\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5834\u5408\u3001\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\uff1e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u8ffd\u52a0\u300d\u304b\u3089\u691c\u7d22\u753b\u9762\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%82%92%E6%9C%89%E5%8A%B9%E5%8C%96\"><\/span>2.\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001Performance Lab\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316\u3057\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab02.png\" alt=\"erformance Lab\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6709\u52b9\u5316\" width=\"1200\" height=\"627\" class=\"alignnone size-full wp-image-8131\" srcset=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab02.png 1200w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab02-300x157.png 300w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab02-1024x535.png 1024w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab02-768x401.png 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p>\u516c\u5f0f\u30b5\u30a4\u30c8\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u5834\u5408\u3001\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\uff1e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u30d7\u30e9\u30b0\u30a4\u30f3\u300d\u304b\u3089Performance Lab\u3092\u63a2\u3057\u3066\u6709\u52b9\u5316\u3057\u307e\u3059\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab03.png\" alt=\"\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\uff1e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u30d7\u30e9\u30b0\u30a4\u30f3\u300d\u304b\u3089\u6709\u52b9\u5316\" width=\"1200\" height=\"627\" class=\"alignnone size-full wp-image-8132\" srcset=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab03.png 1200w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab03-300x157.png 300w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab03-1024x535.png 1024w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab03-768x401.png 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab04.png\" alt=\"\u300c\u30d7\u30e9\u30b0\u30a4\u30f3\uff1e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u6e08\u307f\u30d7\u30e9\u30b0\u30a4\u30f3\u300d\u304b\u3089\u6709\u52b9\u53162\" width=\"1200\" height=\"627\" class=\"alignnone size-full wp-image-8133\" srcset=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab04.png 1200w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab04-300x157.png 300w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab04-1024x535.png 1024w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab04-768x401.png 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"3%E5%BF%85%E8%A6%81%E3%81%AA%E3%83%A2%E3%82%B8%E3%83%A5%E3%83%BC%E3%83%AB%E3%82%92%E6%9C%89%E5%8A%B9%E5%8C%96\"><\/span>3.\u5fc5\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u6709\u52b9\u5316<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u300c\u8a2d\u5b9a\uff1ePerformance\u300d\u304b\u3089\u3001\u5404\u30e2\u30b8\u30e5\u30fc\u30eb\u306eON\/OFF\u3092\u5207\u308a\u66ff\u3048\u308b\u753b\u9762\u306b\u79fb\u52d5\u3067\u304d\u307e\u3059\u3002<br \/>\n\u5fc5\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u300c\u6709\u52b9\u5316\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u6709\u52b9\u5316\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab05.png\" alt=\"\u300c\u8a2d\u5b9a\uff1ePerformance\u300d\u304b\u3089\u3001\u5404\u30e2\u30b8\u30e5\u30fc\u30eb\u306eON\/OFF\u3092\u5207\u308a\u66ff\u3048\" width=\"1200\" height=\"627\" class=\"alignnone size-full wp-image-8134\" srcset=\"https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab05.png 1200w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab05-300x157.png 300w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab05-1024x535.png 1024w, https:\/\/wpmake.jp\/contents\/wp-content\/uploads\/2026\/01\/performance-lab05-768x401.png 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"WordPress%E5%85%AC%E5%BC%8F%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%80%8CPerformance_Lab%E3%80%8D%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>WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u3092\u5c0e\u5165\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>WordPress\u516c\u5f0f\u30d7\u30e9\u30b0\u30a4\u30f3\u300cPerformance Lab\u300d\u3092\u5c0e\u5165\u3059\u308b\u969b\u306f\u3001\u901a\u5e38\u306e\u9ad8\u901f\u5316\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u306f\u6027\u8cea\u304c\u7570\u306a\u308b\u70b9\u3092\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Performance 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