{"id":17852,"date":"2026-02-20T15:07:56","date_gmt":"2026-02-20T14:07:56","guid":{"rendered":"https:\/\/webhosting.de\/wp-plugin-queries-datenbank-optimieren-queryfix\/"},"modified":"2026-02-20T15:07:56","modified_gmt":"2026-02-20T14:07:56","slug":"wp%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3%e3%82%af%e3%82%a8%e3%83%aa%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc%e3%82%b9%e3%81%ae%e6%9c%80%e9%81%a9%e5%8c%96queryfix","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/wp-plugin-queries-datenbank-optimieren-queryfix\/","title":{"rendered":"WordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30af\u30a8\u30ea\uff1a\u306a\u305c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u904e\u8ca0\u8377\u3092\u304b\u3051\u308b\u306e\u304b\uff1f"},"content":{"rendered":"<p>WP\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30af\u30a8\u30ea\u306f\u3001\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u308b\u305f\u3073\u306b\u4f55\u5341\u3082\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b3\u30de\u30f3\u30c9\u3092\u7e70\u308a\u8fd4\u3057\u5b9f\u884c\u3059\u308b\u305f\u3081\u3001\u8ca0\u8377\u304c\u304b\u304b\u308b\u3068\u591a\u304f\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u5d29\u58ca\u3057\u307e\u3059\u3002 <strong>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/strong> \u30d6\u30ed\u30c3\u30af\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002WordPress\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30af\u30a8\u30ea\u304c\u3069\u306e\u3088\u3046\u306b\u4f5c\u6210\u3055\u308c\u308b\u306e\u304b\u3001\u30af\u30a8\u30ea1\u3064\u3042\u305f\u308a\u306e\u30df\u30ea\u79d2\u304c\u306a\u305c\u6570\u79d2\u306b\u306a\u308b\u306e\u304b\u3001\u3069\u3046\u3059\u308c\u3070\u30af\u30a8\u30ea\u3092\u5927\u5e45\u306b\u6e1b\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u304b\u3092\u7d39\u4ecb\u3057\u3088\u3046\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n\n<ul>\n  <li><strong>\u539f\u56e0<\/strong>\u30e1\u30bf\u30af\u30a8\u30ea\u306e\u7e70\u308a\u8fd4\u3057\u3001N+1\u30d1\u30bf\u30fc\u30f3\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u6b20\u843d<\/li>\n  <li><strong>\u30ec\u30b3\u30b0\u30cb\u30b7\u30e7\u30f3<\/strong>\u30af\u30a8\u30ea\u30c4\u30fc\u30eb\u3068\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u306e\u7121\u52b9\u5316\u306b\u3088\u308b\u6e2c\u5b9a<\/li>\n  <li><strong>\u5f71\u97ff<\/strong>\u30a6\u30a7\u30d6\u30fb\u30d0\u30a4\u30bf\u30eb\u306e\u4e2d\u6838\u304c\u60aa\u304f\u3001\u76f4\u5e30\u7387\u304c\u9ad8\u3044<\/li>\n  <li><strong>\u5bfe\u7b56<\/strong>\u76e3\u67fb\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30af\u30a8\u30ea\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0<\/li>\n  <li><strong>\u9577\u671f<\/strong>\u30ea\u30fc\u30f3\u30fb\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u30af\u30ea\u30fc\u30f3\u306a\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u3001\u826f\u3044\u30db\u30b9\u30c6\u30a3\u30f3\u30b0<\/li>\n<\/ul>\n\n<h2>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u30af\u30a8\u30ea\u304c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u904e\u8ca0\u8377\u3092\u304b\u3051\u308b\u7406\u7531<\/h2>\n\n<p>\u5404\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u66f8\u304d\u3059\u308b\u304c\u3001\u8907\u6570\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4e00\u7dd2\u306b\u4f7f\u3048\u3070\u3001\u3059\u3050\u306b\u6570\u767e\u306e\u30c7\u30fc\u30bf\u30ec\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3067\u304d\u308b\u3002 <strong>\u30af\u30a8\u30ea<\/strong> 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<strong>\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u6642\u9593<\/strong> \u306f\u8457\u3057\u304f\u5897\u52a0\u3059\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/datenbankserverabfragen-4382.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u539f\u56e0\u8a73\u7d30\uff1a\u30eb\u30fc\u30d7\u3001\u30e1\u30bf\u3001N+1<\/h2>\n\n<p>\u591a\u304f\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001\u5404\u6295\u7a3f\u306e\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u500b\u5225\u306b\u8aad\u307f\u8fbc\u3080\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 <strong>N+1<\/strong>-\u30d1\u30bf\u30fc\u30f3\u3002\u5358\u4e00\u306eSQL\u30af\u30a8\u30ea\u3092\u4f7f\u7528\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u6570\u5341\u306e\u5c0f\u3055\u306a\u30d2\u30c3\u30c8\u304c\u4f5c\u6210\u3055\u308c\u3001\u5b9f\u884c\u6642\u9593\u304c\u9577\u304f\u306a\u308b\u3002meta_key\u3084meta_value\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u6301\u305f\u306a\u3044\u30e1\u30bf\u30af\u30a8\u30ea\u306b\u306f\u3001\u3055\u3089\u306b\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001wp_options\u306e\u30ed\u30fc\u30c9\u3092\u80a5\u5927\u5316\u3055\u305b\u308b\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u30eb\u30c3\u30af\u3082\u3042\u308a\u307e\u3059\u3002\u79c1\u306f\u7279\u306b\u3053\u306e\u3088\u3046\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u30d0\u30f3\u30c9\u30eb\u30af\u30a8\u30ea\u306b\u7f6e\u304d\u63db\u3048\u3066 <strong>\u5bfe\u8c61<\/strong>-\u30ad\u30e3\u30c3\u30b7\u30e5\u3002.<\/p>\n\n<h2>\u30bf\u30af\u30bd\u30ce\u30df\u30fc\u3068\u7528\u8a9e\u30af\u30a8\u30ea\u3092\u6b63\u3057\u304f\u51e6\u7406\u3059\u308b<\/h2>\n\n<p>\u6295\u7a3f\u306e\u30e1\u30bf\u306b\u52a0\u3048\u3066\u3001\u30bf\u30af\u30bd\u30ce\u30df\u30fc\u30af\u30a8\u30ea\u306f\u3001\u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u7b2c\u4e8c\u306e\u30ed\u30fc\u30c9\u30c9\u30e9\u30a4\u30d0\u30fc\u3067\u3042\u308b\u3002\u79c1\u306f\u3088\u304f\u30a2\u30fc\u30ab\u30a4\u30d6\u3084\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u3067\u30bf\u30fc\u30e0\u3001\u30ab\u30a6\u30f3\u30c8\u3001\u30ea\u30f3\u30af\u3055\u308c\u305f\u6295\u7a3f\u3092\u30af\u30a8\u30ea\u3057\u307e\u3059\u3002\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5404\u30bf\u30fc\u30e0\u306b\u5bfe\u3057\u3066\u500b\u5225\u306bget_terms\u30b3\u30fc\u30eb\u3092\u5b9f\u884c\u3057\u305f\u308a\u3001\u5404\u30bf\u30fc\u30e0\u306b\u5bfe\u3057\u3066\u500b\u5225\u306b\u6295\u7a3f\u3092\u30ed\u30fc\u30c9\u3057\u305f\u308a\u3059\u308b\u3068\u3001\u7d50\u679c\u3068\u3057\u3066\u5225\u306e <strong>N+1<\/strong>. .\u305d\u306e\u305f\u3081\u3001IN()\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u7528\u8a9eID\u3092\u8981\u7d04\u3057\u3001\u95a2\u9023\u3059\u308b\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u3092\u4e00\u5ea6\u306b\u30ed\u30fc\u30c9\u3057\u3001\u4e0d\u8981\u306a\u30d7\u30ea\u30ed\u30fc\u30c9\u3092\u89e3\u9664\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n<ul>\n  <li>\u79c1\u306f\u3053\u3046\u3057\u3066\u3044\u308b\u3002 <strong>wp_term_relationships<\/strong> \u305d\u3057\u3066 <strong>wp_term_taxonomy<\/strong> \u3092\u9069\u5207\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff08term_taxonomy_id\u3001term_id\uff09\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3001JOIN\u304c\u30d5\u30eb\u30b9\u30ad\u30e3\u30f3\u3067\u5b9f\u884c\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/li>\n  <li>\u6642\u70b9\u3067\u306f <strong>\u30b2\u30c3\u30c8\u30bf\u30fc\u30e0\u30ba<\/strong> 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<li>\u968e\u5c64\u7684\u306a\u30bf\u30af\u30bd\u30ce\u30df\u30fc\u306e\u5834\u5408\u3001\u8a08\u7b97\u3055\u308c\u305f\u30c4\u30ea\u30fc\u3092\u7a4d\u6975\u7684\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u30da\u30fc\u30b8\u30d3\u30e5\u30fc\u3054\u3068\u306b\u6df1\u3044\u69cb\u9020\u304c\u518d\u5e30\u7684\u306b\u751f\u6210\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002.<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/data_query_meeting_4572.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u7af6\u5408\u3001\u5197\u9577\u6027\u3001\u5b64\u5150\u30c6\u30fc\u30d6\u30eb<\/h2>\n\n<p>\u8907\u6570\u306e\u5206\u6790\u30e2\u30b8\u30e5\u30fc\u30eb\u3084SEO\u30e2\u30b8\u30e5\u30fc\u30eb\u306a\u3069\u3001\u6a5f\u80fd\u3092\u500d\u5897\u3055\u305b\u308b\u3082\u306e\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068 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\u4e0d\u8981\u3067\u3042\u308b\u3002\u3059\u3079\u3066\u306e\u30da\u30fc\u30b8\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3059\u308b\u30a6\u30a3\u30b8\u30a7\u30c3\u30c8\u3082\u3001\u5e38\u306b\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3092\u8981\u6c42\u3059\u308b\u3002\u975e\u30a2\u30af\u30c6\u30a3\u30d6\u5316\u3055\u308c\u305f\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3084\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u901f\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u30c6\u30fc\u30d6\u30eb\u3092\u3057\u3070\u3057\u3070\u6b8b\u3057\u307e\u3059\u3002\u79c1\u306f\u5b9a\u671f\u7684\u306b\u3069\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u5b64\u5150\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u4e00\u8cab\u3057\u3066\u6574\u7406\u3057\u3066\u3044\u308b\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u4e0d\u5fc5\u8981\u306a\u8ca0\u8377\u3092\u6e1b\u3089\u3057\u3001\u76ee\u306b\u898b\u3048\u308b\u5229\u76ca\u3092\u4e0a\u3052\u3066\u3044\u308b\u3002 <strong>\u30b9\u30d4\u30fc\u30c9<\/strong>.<\/p>\n\n<h2>\u6210\u9577\u52b9\u679c\uff1a\u30ea\u30d3\u30b8\u30e7\u30f3\u3001\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u3001\u30b9\u30d1\u30e0<\/h2>\n\n<p>\u6642\u9593\u304c\u7d4c\u3064\u306b\u3064\u308c\u3066\u3001\u3059\u3079\u3066\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u80a5\u5927\u5316\u3059\u308b\uff1a\u6295\u7a3f\u306e\u30ea\u30d3\u30b8\u30e7\u30f3\u3001\u671f\u9650\u5207\u308c\u306e\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u3001\u30b9\u30d1\u30e0\u30b3\u30e1\u30f3\u30c8\u304c\u6b21\u306e\u3088\u3046\u306b\u84c4\u7a4d\u3057\u3066\u3044\u304f\u3002 <strong>\u30d0\u30e9\u30b9\u30c8<\/strong> \u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u591a\u304f\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u306f\u72ec\u81ea\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u3092\u81ea\u52d5\u7684\u306b\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u5b9a\u671f\u7684\u306b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u884c\u3044\u3001\u904e\u53bb\u306e\u30ea\u30d3\u30b8\u30e7\u30f3\u3084\u53e4\u3044\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u3001\u30b3\u30e1\u30f3\u30c8\u306e\u30b4\u30df\u306a\u3069\u3092\u524a\u9664\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u4e00\u6642\u7684\u306a\u30a8\u30f3\u30c8\u30ea\u30fc\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\uff1a <a href=\"https:\/\/webhosting.de\/ja\/%e3%83%af%e3%83%bc%e3%83%89%e3%83%97%e3%83%ac%e3%82%b9%e3%81%ae%e3%83%88%e3%83%a9%e3%83%b3%e3%82%b8%e3%82%a7%e3%83%b3%e3%83%88%e3%80%81%e3%83%a9%e3%82%b9%e3%83%88%e3%82%bd%e3%83%bc%e3%82%b9%e3%80%81\/\">\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u306b\u3064\u3044\u3066<\/a>. .\u3053\u308c\u3089\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u30fb\u30e9\u30a6\u30f3\u30c9\u306f\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u7121\u99c4\u306e\u306a\u3044\u72b6\u614b\u306b\u4fdd\u3061\u3001\u5e73\u5747 <strong>\u30af\u30a8\u30ea\u30fc\u30bf\u30a4\u30e0<\/strong>.<\/p>\n\n<h2>\u6e2c\u5b9a: wp\u306e\u9045\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5<\/h2>\n\n<p>\u79c1\u306f\u3044\u3064\u3082\u4f55\u304b\u3092\u5909\u66f4\u3059\u308b\u524d\u306b\u6e2c\u5b9a\u304b\u3089\u59cb\u3081\u3001\u30af\u30a8\u30ea\u5206\u6790\u3092\u76f4\u63a5 <strong>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9<\/strong>. .\u3053\u308c\u306b\u3088\u308a\u3001\u5404\u30da\u30fc\u30b8\u3067\u3069\u306e\u30af\u30a8\u30ea\u304c\u3069\u306e\u304f\u3089\u3044\u306e\u6642\u9593\u5b9f\u884c\u3055\u308c\u3001\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u305d\u306e\u30c8\u30ea\u30ac\u30fc\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u304c\u308f\u304b\u308b\u3002\u8a73\u7d30\u306a\u5206\u6790\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\uff1a <a href=\"https:\/\/webhosting.de\/ja\/%e3%82%af%e3%82%a8%e3%83%aa%e3%83%bc%e3%83%a2%e3%83%8b%e3%82%bf%e3%83%bc-%e3%83%af%e3%83%bc%e3%83%89%e3%83%97%e3%83%ac%e3%82%b9-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9\/\">\u30af\u30a8\u30ea\u30fc\u30e2\u30cb\u30bf\u30fc<\/a>. .\u305d\u306e\u5f8c\u3001\u30c6\u30b9\u30c8\u3068\u3057\u3066\u30d7\u30e9\u30b0\u30a4\u30f3\u30b0\u30eb\u30fc\u30d7\u3092\u505c\u6b62\u3057\u3001\u30da\u30fc\u30b8\u3092\u30ea\u30ed\u30fc\u30c9\u3057\u3066\u6570\u5024\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u3069\u306ewp\u306e\u9045\u3044\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u5b9f\u6642\u9593\u3092\u8cbb\u3084\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u305d\u3057\u3066\u3069\u3053\u304b\u3089\u6700\u9069\u5316\u3092\u59cb\u3081\u308b\u3079\u304d\u306a\u306e\u304b\u304c\u3059\u3050\u306b\u308f\u304b\u308b\u3002 <strong>\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc<\/strong> \u3092\u62bc\u3059\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/wordpress-database-overload-plugin-4231.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u691c\u7d22\u6a5f\u80fd\u3001\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3001\u30a2\u30fc\u30ab\u30a4\u30d6<\/h2>\n\n<p>\u691c\u7d22\u3068\u30a2\u30fc\u30ab\u30a4\u30d6\u30da\u30fc\u30b8\u306f\u3001\u6700\u3082\u30af\u30a8\u30ea\u304c\u96c6\u4e2d\u3059\u308b\u5206\u91ce\u3067\u3059\u3002\u6700\u9069\u5316\u3059\u308b <strong>WP_Query<\/strong> \u5177\u4f53\u7684\u306b\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4ecb\u3057\u3066\uff1aID\u3060\u3051\u304c\u5fc5\u8981\u306a\u3089\u3001\u5b8c\u5168\u306a\u6295\u7a3f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u8aad\u307f\u8fbc\u307e\u306a\u3044\u3002\u691c\u7d22\u30da\u30fc\u30b8\u3084\u4e00\u89a7\u30da\u30fc\u30b8\u3067\u3001\u30da\u30fc\u30b8\u756a\u53f7\u306b\u3088\u308b\u30da\u30fc\u30b8\u5206\u5272\u3092\u8868\u793a\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u5408\u8a08\u6570\u306e\u6c7a\u5b9a\u3092\u7121\u52b9\u306b\u3059\u308b\u3002.<\/p>\n\n<ul>\n  <li><strong>no_found_rows<\/strong>Set : \u30d2\u30c3\u30c8\u6570\u306e\u5408\u8a08\u304c\u4e0d\u8981\u306a\u5834\u5408\u306ftrue\u3092\u8a2d\u5b9a\u3059\u308b\u3002.<\/li>\n  <li><strong>\u30d5\u30a3\u30fc\u30eb\u30c9<\/strong>\u4e0b\u6d41\u306e\u30d0\u30c3\u30c1\u304c\u8a73\u7d30\u3092\u30ed\u30fc\u30c9\u3059\u308b\u5834\u5408\u3084\u3001\u53c2\u7167\u3060\u3051\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u300cids\u300d\u3092\u4f7f\u7528\u3059\u308b\u3002.<\/li>\n  <li><strong>update_post_meta_cache<\/strong> \u305d\u3057\u3066 <strong>update_post_term_cache<\/strong>\u30bf\u30a4\u30c8\u30eb\/\u30d1\u30fc\u30de\u30ea\u30f3\u30af\u306e\u307f\u3092\u8868\u793a\u3059\u308b\u30ea\u30b9\u30c8\u306b\u306f false \u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>LIKE\u691c\u7d22<\/strong> \u30c7\u30d5\u30e5\u30fc\u30ba\uff1a\u691c\u7d22\u8a9e\u53e5\u3092\u9650\u5b9a\u3057\u3001\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u3092\u6392\u9664\u3057\u3001\u5185\u5bb9\u306b\u5408\u3063\u3066\u3044\u308c\u3070FULLTEXT\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8003\u616e\u3059\u308b\u3002.<\/li>\n  <li>\u7121\u5236\u9650 <strong>\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3<\/strong> \u79c1\u306f\u907f\u3051\u308b\uff1a\u30c7\u30a3\u30fc\u30d7\u30b9\u30ad\u30e3\u30f3\u3092\u907f\u3051\u308b\u305f\u3081\u3001\u5e38\u8b58\u7684\u306a\u30da\u30fc\u30b8\u9577\u3092\u8a2d\u5b9a\u3057\u3001\u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u4e0a\u9650\u3092\u53b3\u3057\u304f\u8a2d\u5b9a\u3059\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068SEO\u3078\u306e\u5f71\u97ff<\/h2>\n\n<p>\u9577\u3044\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u306f\u6700\u521d\u306e\u30d0\u30a4\u30c8\u30bf\u30a4\u30e0\u3092\u60aa\u5316\u3055\u305b\u3001\u30b9\u30d4\u30fc\u30c9\u3092\u843d\u3068\u3059\u3002 <strong>\u30b3\u30a2<\/strong> \u30a6\u30a7\u30d6\u30d0\u30a4\u30bf\u30eb\u30c0\u30a6\u30f3\u30023\u79d2\u306e\u9045\u5ef6\u304b\u3089\u3001\u76f4\u5e30\u7387\u306f\u5927\u5e45\u306b\u5897\u52a0\u3057\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3078\u306e\u30b7\u30b0\u30ca\u30eb\u306f\u50be\u304f\u3002\u79c1\u306f\u3059\u3079\u3066\u306e\u6700\u9069\u5316\u30922.5\u79d2\u672a\u6e80\u3092\u76ee\u6a19\u306b\u3057\u3001\u3059\u3079\u3066\u306e\u5909\u66f4\u306e\u524d\u5f8c\u3092\u6e2c\u5b9a\u3057\u3066\u3044\u308b\u3002\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u591a\u304f\u306e\u30d0\u30c3\u30d5\u30a1\u3092\u6301\u3064\u304c\u3001\u975e\u52b9\u7387\u7684\u306a\u30af\u30a8\u30ea\u306f\u30ad\u30e3\u30c3\u30b7\u30e5\u30df\u30b9\u306e\u30ea\u30b9\u30af\u3068\u3057\u3066\u6b8b\u308b\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u539f\u56e0\u3060\u3051\u3092\u89e3\u6c7a\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u305d\u306e\u539f\u56e0\u3092\u89e3\u6c7a\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u75c7\u72b6<\/strong>.<\/p>\n\n<h2>\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u9078\u629e\uff1a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3092\u907f\u3051\u308b<\/h2>\n\n<p>\u79c1\u306f\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u6a5f\u80fd\u7684\u8981\u4ef6\u3068\u5b9f\u884c\u30b3\u30b9\u30c8\u306b\u5fdc\u3058\u3066\u9078\u629e\u3057\u307e\u3059\u3002 <strong>\u5229\u4fbf\u6027<\/strong>. .\u79c1\u306f\u3057\u3070\u3057\u3070\u3001\u5927\u898f\u6a21\u306a\u30b9\u30a4\u30fc\u30c8\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u3001\u660e\u78ba\u306a\u30bf\u30b9\u30af\u3092\u6301\u3064\u8efd\u91cf\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u7f6e\u304d\u63db\u3048\u308b\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u6642\u9593\u306e\u304b\u304b\u308b\u5178\u578b\u7684\u306a\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3\u3092\u307e\u3068\u3081\u305f\uff1a <a href=\"https:\/\/webhosting.de\/ja\/%e3%83%af%e3%83%bc%e3%83%89%e3%83%97%e3%83%ac%e3%82%b9%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e%e3%83%b3%e3%82%b9-%e3%82%a2%e3%83%b3%e3%83%81%e3%83%91\/\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30a2\u30f3\u30c1\u30d1\u30bf\u30fc\u30f3<\/a>. .\u5404\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u524d\u306b\u3001\u79c1\u306f\u5909\u66f4\u5c65\u6b74\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\u3092\u5c0a\u91cd\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u8ffd\u52a0\u306e\u8ca0\u8377\u3092\u907f\u3051\u3001\u4f9d\u5b58\u95a2\u4fc2\u3092\u6e1b\u3089\u3057\u3001\u305d\u3057\u3066 <strong>\u30af\u30a8\u30ea<\/strong> \u6291\u5236\u3059\u308b\u3002.<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/wordpress_plugin_datenbank_8623.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>WooCommerce\u3001\u30e1\u30f3\u30d0\u30fc\u30b7\u30c3\u30d7\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf<\/h2>\n\n<p>\u30b7\u30e7\u30c3\u30d7\u3001\u4f1a\u54e1\u30b7\u30b9\u30c6\u30e0\u3001LMS\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u3059\u3079\u3066\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5f37\u5316\u3059\u308b\u3002 <strong>\u8868<\/strong>, 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<li>\u79c1\u306fAJAX\u306e\u9593\u9694\uff08\u30ab\u30fc\u30c8\u306e\u66f4\u65b0\u306a\u3069\uff09\u3092\u77ed\u304f\u3057\u3001\u30a8\u30e9\u30fc\u306e\u30b9\u30d1\u30a4\u30af\u304cDB\u306b\u6bba\u5230\u3059\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u3001\u30cf\u30fc\u30c9\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3068\u30d0\u30c3\u30af\u30aa\u30d5\u6226\u7565\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>WP-Cron\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6\u3068\u30ec\u30fc\u30c8\u5236\u9650<\/h2>\n\n<p>\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30bf\u30b9\u30af\u306f\u3001\u30d4\u30fc\u30af\u6642\u306b\u4e00\u6589\u306b\u5b9f\u884c\u3055\u308c\u308b\u307e\u3067\u306f\u76ee\u7acb\u305f\u306a\u3044\u3053\u3068\u304c\u591a\u3044\u3002\u79c1\u306f\u3001cron\u30b8\u30e7\u30d6\u3092\u4e00\u65e5\u4e2d\u5206\u6563\u3055\u305b\u3001\u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\u3092\u5236\u9650\u3057\u3001\u6b21\u306e\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3066\u3044\u308b\u3002 <strong>\u30ed\u30c3\u30af<\/strong>, 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<strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/strong>. 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<strong>\u30af\u30a8\u30ea<\/strong> \u3092\u30ef\u30fc\u30ad\u30f3\u30b0\u30e1\u30e2\u30ea\u306b\u4fdd\u5b58\u3057\u3001\u5373\u5ea7\u306b\u8ca0\u8377\u3092\u8efd\u6e1b\u3059\u308b\u3002\u591a\u304f\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067\u306f\u3001\u6570\u5206\u306eTTL\u3067\u30d4\u30fc\u30af\u3092\u5e73\u6ed1\u5316\u3057\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u304b\u3064\u8fc5\u901f\u306b\u30da\u30fc\u30b8\u3092\u914d\u4fe1\u3059\u308b\u306e\u306b\u5341\u5206\u3067\u3059\u3002\u79c1\u306f\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u30c7\u30fc\u30bf\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3057\u3001\u7121\u52b9\u5316\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6709\u52b9\u306b\u3057\u3001\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6700\u5c0f\u5316\u3057\u3001PHP 8+\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u884c\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002\u3053\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308a\u3001\u30af\u30a8\u30ea\u30fc\u30ec\u30fc\u30c8\u3092\u5927\u5e45\u306b\u524a\u6e1b\u3057 <strong>\u5fdc\u7b54\u6642\u9593<\/strong> \u8ca0\u8377\u304c\u304b\u304b\u3063\u3066\u3044\u308b<\/p>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/wp_plugin_queries_8746.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a8\u30f3\u30b8\u30f3\u3068\u8a2d\u5b9a<\/h2>\n\n<p>\u30b3\u30fc\u30c9\u306b\u52a0\u3048\u3066 <strong>DB\u306e\u69cb\u6210<\/strong> \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8981\u56e0\u3067\u3059\u3002\u79c1\u306f\u3001\u5341\u5206\u306b\u5927\u304d\u306a\u30d0\u30c3\u30d5\u30a1\u30fb\u30d7\u30fc\u30eb\u3092\u6301\u3064InnoDB\u3092\u9078\u629e\u3057\u3001\u30db\u30c3\u30c8\u30fb\u30c7\u30fc\u30bf\u304cRAM\u306b\u6b8b\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002\u983b\u7e41\u306b\u884c\u308f\u308c\u308b\u30bd\u30fc\u30c8\u3084GROUP BY\u304c\u30c7\u30a3\u30b9\u30af\u306b\u79fb\u52d5\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u3088\u3046\u306b\u3001\u30c6\u30f3\u30dd\u30e9\u30ea\u30fb\u30d0\u30c3\u30d5\u30a1\u3068\u30bd\u30fc\u30c8\u30fb\u30d0\u30c3\u30d5\u30a1\u306e\u30b5\u30a4\u30ba\u3092\u6c7a\u3081\u3066\u3044\u308b\u3002Unicode\u3068\u306e\u5b8c\u5168\u306a\u4e92\u63db\u6027\u3092\u4fdd\u3064\u305f\u3081\u306butf8mb4\u3092\u4f7f\u7528\u3057\u3001\u4e00\u8cab\u3057\u305f\u7167\u5408\u9806\u5e8f\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6bd4\u8f03\u304c\u4e88\u6e2c\u53ef\u80fd\u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u512a\u3057\u3044\u72b6\u614b\u3092\u4fdd\u3061\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f\u3001\u6c38\u7d9a\u6027\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u81ea\u52d5\u30b3\u30df\u30c3\u30c8\u304a\u3088\u3073\u30d5\u30e9\u30c3\u30b7\u30e5\u6226\u7565\u3092\u9078\u629e\u3059\u308b\u3002.<\/p>\n\n<ul>\n  <li>\u30e2\u30cb\u30bf\u30fc <strong>\u30c7\u30a3\u30b9\u30af\u4e0a\u306etmp\u30c6\u30fc\u30d6\u30eb<\/strong> \u3068\u3057\u304d\u3044\u5024\u3092\u8abf\u6574\u3057\u3001\u5927\u304d\u306a\u30bd\u30fc\u30c8\u304c\u5e38\u306b\u30d5\u30a1\u30a4\u30eb\u306b\u30b9\u30ef\u30c3\u30d7\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3002.<\/li>\n  <li>\u79c1\u306f\u540c\u6642\u63a5\u7d9a\u6570\u306b\u6ce8\u610f\u3092\u6255\u3044\u3001\u6975\u7aef\u306b\u9ad8\u3044DB\u5236\u9650\u306e\u4ee3\u308f\u308a\u306b\u3001PHP\u30cf\u30f3\u30c9\u30e9\u30fc\u306b\u3088\u308b\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u306b\u983c\u3063\u3066\u3044\u308b\u3002.<\/li>\n  <li>\u79c1\u306f\u3001\u7d71\u8a08\u304c\u53e4\u304f\u306a\u3063\u305f\u308a\u3001\u30c6\u30fc\u30d6\u30eb\u304c\u5927\u304d\u304f\u65ad\u7247\u5316\u3057\u305f\u308a\u3057\u305f\u3089\u3001\u5b9a\u671f\u7684\u306bANALYZE\/OPTIMIZE\u30a6\u30a3\u30f3\u30c9\u30a6\u3092\u8a08\u753b\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n<h2>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30fb\u30ad\u30e3\u30c3\u30b7\u30e5\uff1a\u30ad\u30fc\u3001TTL\u3001\u7121\u52b9\u5316<\/h2>\n\n<p>\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u305d\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u540c\u3058\u304f\u3089\u3044\u826f\u3044\u3082\u306e\u3067\u3042\u308b\u3002 <strong>\u7121\u52b9\u5316<\/strong>. .\u79c1\u306f\u4e00\u8cab\u3057\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30ad\u30fc\u3092\u5b9a\u7fa9\u3057\uff08\u30b5\u30a4\u30c8ID\u3001\u8a00\u8a9e\u3001\u30e6\u30fc\u30b6\u30fc\u30fb\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\uff09\u3001\u77ed\u3044TTL\u3068\u30ed\u30c3\u30af\u306b\u3088\u3063\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u30fb\u30b9\u30bf\u30f3\u30d7\u3092\u9632\u3044\u3067\u3044\u308b\u3002\u30b3\u30f3\u30c6\u30f3\u30c4\u66f4\u65b0\u5f8c\u306f\u3001\u3059\u3079\u3066\u3092\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u7834\u68c4\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5f71\u97ff\u3092\u53d7\u3051\u308b\u30ad\u30fc\u3092\u7279\u5225\u306b\u524a\u9664\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30b3\u30fc\u30eb\u30c9\u30b9\u30bf\u30fc\u30c8\u304c\u6e1b\u308a\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u304c\u5b89\u5b9a\u3057\u3001\u30af\u30a8\u30ea\u8ca0\u8377\u304c\u5927\u5e45\u306b\u8efd\u6e1b\u3055\u308c\u307e\u3057\u305f\u3002.<\/p>\n\n<ul>\n  <li>\u79c1\u306f\u6c38\u7d9a\u7684\u306a\u30b0\u30eb\u30fc\u30d7\u3068\u305d\u3046\u3067\u306a\u3044\u30b0\u30eb\u30fc\u30d7\u3092\u533a\u5225\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u5927\u304d\u306a\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u5727\u7e2e\u3059\u308b\u3002.<\/li>\n  <li>\u79c1\u306f\u3001\u6700\u521d\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u5168\u8ca0\u62c5\u3092\u8ca0\u308f\u306a\u3044\u3088\u3046\u306b\u3001\u30c7\u30d7\u30ed\u30a4\u5f8c\u306b\u91cd\u8981\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30d7\u30e9\u30a4\u30e0\u3059\u308b\u3002.<\/li>\n  <li>\u79c1\u306f\u3001\u672c\u7269\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30fb\u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u5229\u7528\u53ef\u80fd\u306a\u5834\u5408\u306b\u3001\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u304c\u6052\u4e45\u7684\u306a\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u60aa\u7528\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u3066\u3044\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>\u8868\uff1a\u30b3\u30b9\u30c8\u8981\u56e0\u3068\u56fa\u5b9a\u8cbb<\/h2>\n\n<p>\u4ee5\u4e0b\u306e\u6982\u8981\u306f\u3001\u5178\u578b\u7684\u306a\u30b3\u30b9\u30c8\u30c9\u30e9\u30a4\u30d0\u30fc\u3068\u305d\u306e\u5f71\u97ff\u3001\u305d\u3057\u3066\u305d\u308c\u3089\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u79c1\u304c\u5177\u4f53\u7684\u306b\u884c\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3002 <strong>\u8ca0\u8377<\/strong> \u3092\u4e0b\u3052\u308b\u3002<\/p>\n\n<table>\n  <thead>\n    <tr>\n      <th>\u554f\u984c\u306e\u7a2e\u985e<\/th>\n      <th>\u5178\u578b\u7684\u306a\u30af\u30a8\u30ea\u30fc\uff0f\u30d1\u30bf\u30fc\u30f3<\/th>\n      <th>\u7d50\u679c<\/th>\n      <th>\u8fc5\u901f\u306a\u4fee\u6b63<\/th>\n      <th>\u6c38\u4e45\u7684\u306a\u52b9\u679c<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>\u30e1\u30bfN+1<\/td>\n      <td>\u6295\u7a3f\u3054\u3068\u306e get_post_meta<\/td>\n      <td>\u5c0f\u3055\u306a\u30d2\u30c3\u30c8\u304c\u591a\u3044<\/td>\n      <td>IN()\u306b\u3088\u308b\u4e00\u62ec\u30ed\u30fc\u30c9<\/td>\n      <td>\u3088\u308a\u5c11\u306a\u3044 <strong>\u30af\u30a8\u30ea<\/strong><\/td>\n    <\/tr>\n    <tr>\n      <td>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306a\u3057<\/td>\n      <td>meta_key LIKE \u201a%\u2018<\/td>\n      <td>\u30d5\u30eb\u30c6\u30fc\u30d6\u30eb\u30b9\u30ad\u30e3\u30f3<\/td>\n      <td>meta_key\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/td>\n      <td>\u30b7\u30e7\u30fc\u30bf\u30fc <strong>\u30e9\u30f3\u30bf\u30a4\u30e0<\/strong><\/td>\n    <\/tr>\n    <tr>\n      <td>\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9-\u30d6\u30ed\u30fc\u30c8<\/td>\n      <td>\u81a8\u5f35\u3057\u305fwp_options<\/td>\n      <td>\u3088\u308a\u9ad8\u3044TTFB<\/td>\n      <td>\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u306e\u524a\u6e1b<\/td>\n      <td>\u3088\u308a\u901f\u304f <strong>\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/strong><\/td>\n    <\/tr>\n    <tr>\n      <td>\u5916\u90e8\u901a\u8a71<\/td>\n      <td>\u30da\u30fc\u30b8\u30d3\u30e5\u30fc\u3054\u3068\u306eAPI<\/td>\n      <td>\u30d6\u30ed\u30c3\u30af\u5f85\u6a5f\u6642\u9593<\/td>\n      <td>\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30fb\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/td>\n      <td>\u5b9a\u6570 <strong>\u56de\u7b54<\/strong><\/td>\n    <\/tr>\n    <tr>\n      <td>\u30c8\u30e9\u30f3\u30b8\u30a8\u30f3\u30c4\u306e\u6b7b\u4f53<\/td>\n      <td>\u8cde\u5473\u671f\u9650\u5207\u308c\u3060\u304c\u3001\u5165\u624b\u53ef\u80fd<\/td>\n      <td>\u3088\u308a\u591a\u304f\u306eDB\u91cf<\/td>\n      <td>\u5b9a\u671f\u7684\u306a\u6e05\u6383<\/td>\n      <td>\u3088\u308a\u30b9\u30ea\u30e0\u306b <strong>\u30c7\u30fc\u30bf<\/strong><\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n<h2>\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\uff1a\u30ea\u30fc\u30c9\u30fb\u30ec\u30d7\u30ea\u30ab\u3068\u30a8\u30c3\u30b8\u30fb\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/h2>\n\n<p>\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u7406\u89e3\u3057\u3001\u66f8\u304d\u8fbc\u307f\u304c\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30d1\u30b9\uff08\u30c1\u30a7\u30c3\u30af\u30a2\u30a6\u30c8\u3001\u30b3\u30e1\u30f3\u30c8\uff09\u3092\u30de\u30b9\u30bf\u30fc\u30b7\u30b9\u30c6\u30e0\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u7d9a\u3051\u308c\u3070\u3001\u8aad\u307f\u8fbc\u307f\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u66f8\u304d\u8fbc\u307f\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8ca0\u8377\u306f\u5207\u308a\u96e2\u3055\u308c\u308b\u3002\u30a8\u30c3\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u306f\u3001\u533f\u540d\u30e6\u30fc\u30b6\u30fc\u306e\u52d5\u7684\u306a\u30af\u30a8\u30ea\u3092\u5287\u7684\u306b\u6e1b\u3089\u3059\u3002\u660e\u78ba\u306a\u7121\u52b9\u5316\u30b3\u30f3\u30bb\u30d7\u30c8\u306f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u5b8c\u5168\u306b\u7a7a\u306b\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5909\u66f4\u304c\u3059\u3050\u306b\u898b\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3042\u308b\u3002.<\/p>\n\n<ul>\n  <li>\u79c1\u306f\u672c\u5f53\u306b\u305d\u3046\u601d\u3046 <strong>\u9759\u7684<\/strong> \u30da\u30fc\u30b8\u90e8\u5206\uff08\u30ca\u30d3\u30b2\u30fc\u30b7\u30e7\u30f3\u3001\u30d5\u30c3\u30bf\u30fc\u3001\u30ea\u30b9\u30c8\uff09\u3092\u9577\u304f\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u52d5\u7684\u9818\u57df\u3092\u77ed\u304f\u3059\u308b\u3002.<\/li>\n  <li>\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u30d0\u30a4\u30d1\u30b9\u3059\u308b\u304c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u7121\u99c4\u306e\u306a\u3044\u30af\u30a8\u30ea\u304b\u3089\u6069\u6075\u3092\u53d7\u3051\u308b\u3002.<\/li>\n  <li>\u79c1\u306f\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9045\u5ef6\u3092\u76e3\u8996\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u9023\u3059\u308b\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u53b3\u5bc6\u306b\u4e00\u8cab\u3055\u305b\u3066\u3044\u308b\u3002.<\/li>\n<\/ul>\n\n<h2>\u30d7\u30e9\u30b0\u30a4\u30f3\u306b\u304a\u3051\u308b\u5805\u7262\u306a\u30b3\u30fc\u30c9\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n<p>\u512a\u308c\u305f\u30b3\u30fc\u30c9\u306f\u81ea\u52d5\u7684\u306b\u8ca0\u8377\u306e\u30d4\u30fc\u30af\u3092\u56de\u907f\u3059\u308b\u3002\u79c1\u306f\u5e38\u306b\u4e8b\u524d\u306b\u30af\u30a8\u30ea\u30fc\u3092\u66f8\u304d\u3001\u7d50\u679c\u30bb\u30c3\u30c8\u306b\u53b3\u3057\u3044\u5236\u9650\u3092\u8a2d\u3051\u3066\u3044\u308b\u3002\u5b9a\u671f\u7684\u306a\u30bf\u30b9\u30af\u306b\u306f\u3001\u4f55\u5ea6\u3082\u767a\u706b\u3059\u308b\u3088\u3046\u306a\u4e71\u66b4\u306a\u30d5\u30c3\u30af\u3067\u306f\u306a\u304f\u3001\u5c02\u7528\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u4f7f\u3046\u3002\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3068\u304d\u306f\u3001\u5b64\u5150\u304c\u6b8b\u3089\u306a\u3044\u3088\u3046\u306b\u30c7\u30fc\u30bf\u3092\u6574\u7406\u3059\u308b\u3002.<\/p>\n\n<ul>\n  <li><strong>\u6e96\u5099\u3055\u308c\u305f\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8<\/strong> \u30a8\u30b9\u30b1\u30fc\u30d4\u30f3\u30b0\u306e\u306a\u3044\u52d5\u7684SQL\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u306f\u4f7f\u7528\u3057\u306a\u3044\u3002.<\/li>\n  <li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4ed8\u304d\u30ab\u30e9\u30e0\u306eORDER\/WHERE\u3092\u4f7f\u7528\u3057\u305f\u9650\u5b9a\u7684\u306aSELECT\u3002 <strong>\u30d0\u30c3\u30c1<\/strong> \u4f55\u79d2\u306b\u3082\u308f\u305f\u308b1\u56de\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3067\u306f\u306a\u304f\u3002.<\/li>\n  <li><strong>pre_get_posts<\/strong> \u3059\u3079\u3066\u306e\u30af\u30a8\u30ea\u304c\u8ffd\u52a0\u306e\u30b0\u30ed\u30fc\u30d0\u30eb\u30d5\u30a3\u30eb\u30bf\u3092\u53d7\u3051\u308b\u3053\u3068\u304c\u306a\u3044\u3088\u3046\u306b\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u8003\u616e\u3057\u306a\u304c\u3089\u3001\u63a7\u3048\u3081\u306b\u3002.<\/li>\n  <li><strong>REST\/AJAX<\/strong> \u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u3001\u30d0\u30c3\u30af\u30aa\u30d5\u3092\u6301\u3064\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3002\u30dd\u30fc\u30ea\u30f3\u30b0\u306e\u305f\u3081\u306e\u79d2\u9593\u9694\u306f\u306a\u3044\u3002.<\/li>\n  <li><strong>\u30a2\u30f3\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30eb\u30fc\u30c1\u30f3<\/strong> \u30c6\u30fc\u30d6\u30eb\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3001\u30c8\u30e9\u30f3\u30b8\u30a7\u30f3\u30c8\u3092\u4e00\u8cab\u3057\u3066\u524a\u9664\u3059\u308b\u3002.<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full is-resized\">\n  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/webhosting.de\/wp-content\/uploads\/2026\/02\/wordpress-plugin-abfrage-7345.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u8fc5\u901f\u306a\u6210\u529f\u306e\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u30fb\u30d0\u30a4\u30fb\u30b9\u30c6\u30c3\u30d7\u30fb\u30d7\u30e9\u30f3<\/h2>\n\n<p>\u307e\u305a\u73fe\u72b6\u3092\u6e2c\u5b9a\u3057\u3001\u30af\u30a8\u30ea\u3001TTFB\u3001\u30b3\u30f3\u30d7\u30ea\u30fc\u30c8\u306e\u6570\u5024\u3092\u4fdd\u5b58\u3059\u308b\u3002 <strong>\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u6642\u9593<\/strong>. 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