{"id":16627,"date":"2026-01-07T08:37:03","date_gmt":"2026-01-07T07:37:03","guid":{"rendered":"https:\/\/webhosting.de\/http-status-codes-crawling-hosting-optimierung-crawlboost\/"},"modified":"2026-01-07T08:37:03","modified_gmt":"2026-01-07T07:37:03","slug":"http%e3%82%b9%e3%83%86%e3%83%bc%e3%82%bf%e3%82%b9%e3%82%b3%e3%83%bc%e3%83%89-%e3%82%af%e3%83%ad%e3%83%bc%e3%83%ab-%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0-%e6%9c%80%e9%81%a9%e5%8c%96-cra","status":"publish","type":"post","link":"https:\/\/webhosting.de\/ja\/http-status-codes-crawling-hosting-optimierung-crawlboost\/","title":{"rendered":"HTTP \u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\uff1a\u30af\u30ed\u30fc\u30eb\u3068\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3078\u306e\u5f71\u97ff"},"content":{"rendered":"<p><strong>HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/strong> \u30af\u30ed\u30fc\u30e9\u30fc\u306e\u8981\u6c42\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u8aad\u307f\u8fbc\u307f\u3001\u30da\u30fc\u30b8\u304c\u691c\u7d22\u306b\u8868\u793a\u3055\u308c\u308b\u304b\u3069\u3046\u304b\u306a\u3069\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002200\u3001301\u3001404\u3001503 \u306a\u3069\u306e\u5fdc\u7b54\u304c\u3001\u30af\u30ed\u30fc\u30eb\u3001\u30af\u30ed\u30fc\u30eb\u4e88\u7b97\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u3092\u3069\u306e\u3088\u3046\u306b\u9023\u643a\u3055\u305b\u3001\u5178\u578b\u7684\u306a\u969c\u5bb3\u306f\u3069\u306e\u3088\u3046\u306a\u3082\u306e\u304b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002.<\/p>\n\n<h2>\u4e2d\u5fc3\u70b9<\/h2>\n<ul>\n  <li><strong>\u30af\u30ed\u30fc\u30eb\u4e88\u7b97<\/strong> \u30af\u30ea\u30fc\u30f3\u306a\u30b9\u30c6\u30fc\u30bf\u30b9\u5fdc\u7b54\u306b\u76f4\u63a5\u4f9d\u5b58\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>2xx\/3xx<\/strong> \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u3092\u53ef\u80fd\u306b\u3057\u30014xx\/5xx \u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>\u8ee2\u9001<\/strong> \u30c1\u30a7\u30fc\u30f3\u3084\u30eb\u30fc\u30d7\u306f\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002.<\/li>\n  <li><strong>\u30b5\u30fc\u30d0\u30fc\u6642\u9593<\/strong> \u305d\u3057\u3066\u3001\u7a3c\u50cd\u6642\u9593\u306f\u30af\u30ed\u30fc\u30e9\u30fc\u306e\u4fe1\u983c\u6027\u3092\u5f62\u6210\u3057\u307e\u3059\u3002.<\/li>\n  <li><strong>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/strong> \u30ed\u30b0\u3001GSC\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u3092\u4f7f\u3063\u3066\u904b\u55b6\u3057\u3066\u308b\u3088\u3002.<\/li>\n<\/ul>\n\n<h2>\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u304c\u30af\u30ed\u30fc\u30eb\u3092\u5236\u5fa1\u3059\u308b\u7406\u7531<\/h2>\n<p>\u30af\u30ed\u30fc\u30e9\u30fc\u306f\u307e\u305a <strong>\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/strong>, \u3001\u305d\u306e\u5f8c\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u8a55\u4fa1\u304c\u7d9a\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u30bf\u30a4\u30c8\u30eb\u30bf\u30b0\u3084\u5185\u90e8\u30ea\u30f3\u30af\u3088\u308a\u3082\u56de\u7b54\u306e\u6b63\u78ba\u6027\u3092\u512a\u5148\u3057\u3066\u3044\u307e\u3059\u3002200 OK \u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5373\u5ea7\u306b\u8aad\u307f\u8fbc\u307f\u307e\u3059\u304c\u30014xx \u304a\u3088\u3073 5xx \u306f\u6642\u9593\u3001\u4e88\u7b97\u3001\u4fe1\u983c\u3092\u640d\u306a\u3044\u307e\u3059\u3002\u30a8\u30e9\u30fc\u304c\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u3068\u3001\u30dc\u30c3\u30c8\u306f\u30a2\u30af\u30bb\u30b9\u3092\u6e1b\u3089\u3057\u3001\u65b0\u3057\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u767b\u9332\u3092\u9045\u3089\u305b\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u660e\u78ba\u306a\u30eb\u30fc\u30eb\u306b\u3088\u3063\u3066 SEO \u306e\u640d\u5931\u304c\u9759\u304b\u306b\u767a\u751f\u3057\u307e\u3059\u3002 <strong>\u30b5\u30fc\u30d0\u30fc\u306e\u5fdc\u7b54<\/strong> \u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\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\/01\/httpstatus-serverraum-5821.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>2xx: \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3078\u306e\u76f4\u63a5\u30a2\u30af\u30bb\u30b9<\/h2>\n<p>200 OK \u306f\u30af\u30ed\u30fc\u30e9\u30fc\u306b\u3068\u3063\u3066 <strong>\u9752\u4fe1\u53f7<\/strong>. \u79c1\u306f\u3001\u5185\u5bb9\u304c\u5b8c\u5168\u306a\u672c\u7269\u306e\u30da\u30fc\u30b8\u306b\u306e\u307f 200 \u3092\u8fd4\u3057\u3001200 \u3092\u8fd4\u3059\u304c\u4ed8\u52a0\u4fa1\u5024\u306e\u306a\u3044\u30bd\u30d5\u30c8 404 \u3092\u9632\u304e\u307e\u3059\u3002\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u4e4f\u3057\u3044\u3001H1 \u304c\u6b20\u843d\u3057\u3066\u3044\u308b\u3001\u30c6\u30ad\u30b9\u30c8\u304c\u307b\u307c\u540c\u4e00\u3067\u3042\u308b\u3068\u3044\u3063\u305f\u5834\u5408\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u8a2d\u5b9a\u30df\u30b9\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002 \u3053\u3053\u3067\u6574\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30ed\u30fc\u30eb\u4e88\u7b97\u3092\u7bc0\u7d04\u3057\u3001\u30c6\u30fc\u30de\u306e\u95a2\u9023\u6027\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30b9\u30cb\u30da\u30c3\u30c8\u3068\u5185\u90e8\u30ea\u30f3\u30af\u3092\u6700\u9069\u5316\u3057\u3066\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u3068\u30e6\u30fc\u30b6\u30fc\u304c <strong>\u547c\u3073\u304b\u3051<\/strong> \u6b63\u3057\u3044\u76ee\u6a19\u3092\u9054\u6210\u3059\u308b\u3002.<\/p>\n\n<h2>3xx: \u640d\u5931\u306e\u306a\u3044\u8ee2\u9001<\/h2>\n<p>301 \u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6052\u4e45\u7684\u306b\u79fb\u52d5\u3057\u3001\u65b0\u3057\u3044 URL \u306b\u30b7\u30b0\u30ca\u30eb\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002302 \u306f\u4e00\u6642\u7684\u306a\u89e3\u6c7a\u7b56\u3092\u8868\u3057\u307e\u3059\u3002 \u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u5b9f\u969b\u306b\u79fb\u52d5\u3057\u305f\u5834\u5408\u306f 301 \u3092\u4f7f\u7528\u3057\u3001\u4f59\u5206\u306a\u30db\u30c3\u30d7\u306f\u6642\u9593\u3068\u4e88\u7b97\u3092\u7121\u99c4\u306b\u3059\u308b\u305f\u3081\u3001\u30c1\u30a7\u30fc\u30f3\u3084\u30eb\u30fc\u30d7\u306f\u524a\u9664\u3057\u307e\u3059\u3002\u5185\u90e8\u30ea\u30f3\u30af\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5185\u90e8 301 \u30c1\u30a7\u30fc\u30f3\u306f\u3001\u81ea\u3089\u4f5c\u308a\u51fa\u3057\u305f\u6e0b\u6ede\u3067\u3059\u3002\u79fb\u52d5\u306b\u3064\u3044\u3066\u306f\u3001\u3059\u3079\u3066\u304c\u76ee\u7684\u306e URL \u3092\u660e\u78ba\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u4e00\u8cab\u3057\u305f\u30eb\u30fc\u30eb\u3092\u8a08\u753b\u3057\u307e\u3059\u3002\u305d\u306e\u91cd\u8981\u6027\u3092\u4ee5\u4e0b\u3067\u8aac\u660e\u3057\u307e\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%81%aa%e3%81%9chttp%e3%83%aa%e3%83%80%e3%82%a4%e3%83%ac%e3%82%af%e3%83%88%e3%83%81%e3%82%a7%e3%83%bc%e3%83%b3%e3%81%af%e3%83%ad%e3%83%bc%e3%83%89%e6%99%82%e9%96%93%e3%82%92%e5%a2%97%e5%8a%a0\/\">\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u30c1\u30a7\u30fc\u30f3<\/a>, \u3001\u6e2c\u5b9a\u53ef\u80fd\u306a\u8aad\u307f\u8fbc\u307f\u6642\u9593\u3068\u30af\u30ed\u30fc\u30eb\u306b\u8ca0\u8377\u304c\u304b\u304b\u308b\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\/01\/httpstatus_besprechung_4728.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>4xx: \u30ea\u30e2\u30fc\u30c8\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u660e\u78ba\u306a\u30b7\u30b0\u30ca\u30eb<\/h2>\n<p>404 \u306f\u660e\u78ba\u306b\u4f1d\u3048\u3066\u3044\u307e\u3059\uff1a\u3053\u306e <strong>\u30ea\u30bd\u30fc\u30b9<\/strong> \u3042\u308a\u307e\u305b\u3093\u3002\u79c1\u306f\u3001\u5b9f\u969b\u306b\u524a\u9664\u3055\u308c\u305f\u30da\u30fc\u30b8\u306b\u306f 404 \u3092\u6b8b\u3057\u3001\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\u306b\u306f 200 \u3092\u9001\u4fe1\u3057\u306a\u3044\u3053\u3068\u3067\u30bd\u30d5\u30c8 404 \u3092\u56de\u907f\u3057\u3066\u3044\u307e\u3059\u3002410 \u306f\u3001\u30da\u30fc\u30b8\u304c\u5b8c\u5168\u306b\u524a\u9664\u3055\u308c\u305f\u3053\u3068\u3092\u3088\u308a\u660e\u78ba\u306b\u793a\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u4ee3\u66ff\u30da\u30fc\u30b8\u304c\u306a\u3044\u53e4\u3044 URL \u306b\u306f\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092\u610f\u56f3\u7684\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 404 \u306e\u5185\u90e8\u30ea\u30f3\u30af\u306f\u4e88\u7b97\u306e\u7121\u99c4\u306a\u306e\u3067\u3001\u79c1\u306f\u305d\u308c\u3089\u3092\u901f\u3084\u304b\u306b\u4fee\u6b63\u3059\u308b\u304b\u3001\u6700\u9069\u306a\u30c6\u30fc\u30de\u306e\u4ee3\u66ff\u30da\u30fc\u30b8\u306b\u610f\u56f3\u7684\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u3092\u5b9f\u969b\u306e <strong>\u4fa1\u5024<\/strong> \u3092\u5c4a\u3051\u308b\u3002<\/p>\n\n<h2>5xx\uff1a\u30b5\u30fc\u30d0\u30fc\u30a8\u30e9\u30fc\u304c\u30dc\u30c3\u30c8\u3068\u30e6\u30fc\u30b6\u30fc\u3092\u9045\u3089\u305b\u308b<\/h2>\n<p>5xx \u306f\u3001\u30b5\u30fc\u30d0\u30fc\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3067\u304d\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002 <strong>\u64cd\u4f5c\u3059\u308b<\/strong>. \u3002\u983b\u7e41\u306b\u767a\u751f\u3059\u308b\u3068\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u306f\u30b5\u30a4\u30c8\u3092\u4fe1\u983c\u3067\u304d\u306a\u3044\u3068\u8a55\u4fa1\u3057\u3001\u8a2a\u554f\u983b\u5ea6\u3092\u6e1b\u3089\u3057\u307e\u3059\u3002\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u305f\u3081\u306b\u3001\u30dc\u30c3\u30c8\u304c\u3044\u3064\u518d\u53d6\u5f97\u3059\u3079\u304d\u304b\u3092\u8a8d\u8b58\u3067\u304d\u308b\u3088\u3046\u306b\u3001503 \u306b\u300cRetry-After\u300d\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002503 \u304c\u7d99\u7d9a\u3059\u308b\u5834\u5408\u306f\u3001\u30ed\u30b0\u3092\u5206\u6790\u3057\u3001CPU\u3001RAM\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001\u30ec\u30fc\u30c8\u5236\u9650\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u89e3\u6d88\u3057\u307e\u3059\u3002WordPress \u306b\u3064\u3044\u3066\u306f\u3001\u3053\u306e\u30ac\u30a4\u30c9\u3067\u5b9f\u7528\u7684\u306a\u30d2\u30f3\u30c8\u3092\u96c6\u3081\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%83%af%e3%83%bc%e3%83%89%e3%83%97%e3%83%ac%e3%82%b9503%e3%82%a8%e3%83%a9%e3%83%bc%e4%bf%ae%e6%ad%a3%e3%81%ae%e3%83%92%e3%83%b3%e3%83%88%e3%81%af%e3%80%81%e5%ae%89%e5%ae%9a%e6%80%a7%e3%81%ae\/\">503\u30a8\u30e9\u30fc<\/a>, \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u6642\u9593\u3092\u7ba1\u7406\u3057\u3001\u77ed\u304f\u6291\u3048\u308b\u305f\u3081\u3067\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\/01\/http-statuscodes-seo-bild-7391.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30ad\u30e3\u30c3\u30b7\u30e5\u3001304\u3001ETag\uff1a\u30ea\u30b9\u30af\u306a\u3057\u3067\u4e88\u7b97\u3092\u7bc0\u7d04<\/h2>\n<p>304 Not Modified \u3092\u7bc0\u7d04 <strong>\u5e2f\u57df\u5e45<\/strong>, \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u305d\u306e\u30b3\u30d4\u30fc\u3092\u5f15\u304d\u7d9a\u304d\u4f7f\u7528\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002 \u79c1\u306f\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u304c If-Modified-Since \u3092\u6b63\u3057\u304f\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3001ETag \u307e\u305f\u306f Last-Modified \u3092\u6b63\u78ba\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5909\u66f4\u3055\u308c\u3066\u3044\u306a\u3044 CSS\u3001JavaScript\u3001\u304a\u3088\u3073\u753b\u50cf\u306e\u547c\u3073\u51fa\u3057\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002\u30ed\u30b8\u30c3\u30af\u304c\u6b63\u3057\u304f\u306a\u3044\u5834\u5408\u3001\u30dc\u30c3\u30c8\u306f\u4e0d\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u591a\u6570\u30ed\u30fc\u30c9\u3057\u305f\u308a\u3001\u66f4\u65b0\u3092\u898b\u9003\u3057\u305f\u308a\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3092\u30c6\u30b9\u30c8\u3057\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u30d8\u30c3\u30c0\u30fc\u3092\u78ba\u8a8d\u3057\u3001304 \u30ec\u30b9\u30dd\u30f3\u30b9\u3092\u3059\u3079\u3066\u3067\u4e00\u8cab\u3057\u3066\u7dad\u6301\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u8cc7\u7523<\/strong>.<\/p>\n\n<h2>\u30af\u30ed\u30fc\u30eb\u4e88\u7b97\uff1a\u305d\u308c\u3092\u9ad8\u304f\u4fdd\u3064\u65b9\u6cd5<\/h2>\n<p>\u30af\u30ed\u30fc\u30eb\u4e88\u7b97\u306f\u30013\u3064\u306e\u8981\u7d20\u3001\u3059\u306a\u308f\u3061\u30b3\u30fc\u30c9\u306e\u54c1\u8cea\u3001, <strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong> \u304a\u3088\u3073\u5185\u90e8\u69cb\u9020\u3002\u8ee2\u9001\u30c1\u30a7\u30fc\u30f3\u3001\u91cd\u8907\u30b3\u30f3\u30c6\u30f3\u30c4\u3001TTFB\u306e\u9045\u5ef6\u306a\u3069\u3001\u6642\u9593\u3092\u6d6a\u8cbb\u3059\u308b\u8981\u7d20\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002\u5185\u90e8\u30ea\u30f3\u30af\u306f\u3001\u30dc\u30c3\u30c8\u304c\u512a\u5148\u9806\u4f4d\u3092\u3088\u308a\u8fc5\u901f\u306b\u8a8d\u8b58\u3067\u304d\u308b\u3088\u3046\u3001\u5c11\u6570\u306e\u660e\u78ba\u306a\u30d1\u30b9\u306b\u307e\u3068\u3081\u307e\u3059\u3002\u30a8\u30e9\u30fc\u306e\u3042\u308b\u30da\u30fc\u30b8\u3084\u5b64\u7acb\u3057\u305f\u30da\u30fc\u30b8\u306f\u3001\u4e88\u7b97\u3092\u6d88\u8cbb\u3059\u308b\u524d\u306b\u8fc5\u901f\u306b\u4fee\u6b63\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3001\u6b63\u898f\u5316\u3001hreflang \u306e\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3082\u542b\u307e\u308c\u307e\u3059\u3002 <strong>\u30a8\u30e9\u30fc\u4fe1\u53f7<\/strong> \u8d70\u3089\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\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\/01\/httpstatuscodesoffice9941.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u8981\u56e0<\/h2>\n<p>\u512a\u308c\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u30af\u30ea\u30fc\u30f3\u306a\u30b5\u30fc\u30d0\u30fc\u69cb\u6210\u3001\u305d\u3057\u3066\u5bb9\u91cf\u306b\u898b\u5408\u3063\u305f <strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong> 5xx\u306e\u30d4\u30fc\u30af\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u5341\u5206\u306aPHP\u30ef\u30fc\u30ab\u30fc\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30d1\u30e9\u30e1\u30fc\u30bf\u3001\u30ad\u30fc\u30d7\u30a2\u30e9\u30a4\u30d6\u3001HTTP\/2\u307e\u305f\u306fHTTP\/3\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u30dc\u30c3\u30c8\u306e\u30ec\u30fc\u30c8\u5236\u9650\u3082\u3001\u5b9f\u969b\u306e\u30e6\u30fc\u30b6\u30fc\u3092\u30d6\u30ed\u30c3\u30af\u3057\u306a\u3044\u3088\u3046\u306b\u9069\u5207\u306b\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8ca0\u8377\u306e\u30d4\u30fc\u30af\u6642\u306b\u306f\u3001\u30a8\u30c3\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u3068\u9759\u7684\u30a2\u30bb\u30c3\u30c8\u306e\u30eb\u30fc\u30eb\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3068\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u95a2\u9023\u3057\u3066\u3044\u308b\u7406\u7531\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3061\u3089\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/webhosting.de\/ja\/%e3%81%aa%e3%81%9c-http-%e3%82%b9%e3%83%86%e3%83%bc%e3%82%bf%e3%82%b9%e3%82%b3%e3%83%bc%e3%83%89-%e3%83%9b%e3%82%b9%e3%83%86%e3%82%a3%e3%83%b3%e3%82%b0%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc%e3%83%9e\/\">HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u3068\u30b5\u30fc\u30d0\u30fc\u30d1\u30ef\u30fc<\/a>.<\/p>\n\n<h2>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff1a\u30ed\u30b0\u3001GSC\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u3092\u6b63\u3057\u304f\u6d3b\u7528\u3059\u308b<\/h2>\n<p>\u30b5\u30fc\u30d0\u30fc\u30ed\u30b0\u304b\u3089\u59cb\u3081\u307e\u3059\u3002\u306a\u305c\u306a\u3089\u3001\u305d\u308c\u3089\u306f\u5b9f\u969b\u306e <strong>\u304a\u554f\u3044\u5408\u308f\u305b<\/strong> \u8868\u793a\u3057\u3001\u3059\u3079\u3066\u306e\u56de\u7b54\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001Search Console \u3067\u30ab\u30d0\u30ec\u30c3\u30b8\u30a8\u30e9\u30fc\u3001\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002 SEO \u30af\u30ed\u30fc\u30e9\u30fc\u306b\u3088\u308b\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u304a\u3088\u3073\u30e2\u30d0\u30a4\u30eb\u306e\u30af\u30ed\u30fc\u30eb\u3067\u306f\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u30014xx\u30015xx \u3092 1 \u56de\u306e\u5b9f\u884c\u3067\u691c\u51fa\u3057\u307e\u3059\u3002\u8a73\u7d30\u306a\u5206\u6790\u306e\u305f\u3081\u306b\u3001\u30a8\u30e9\u30fc\u3092\u30ea\u30ea\u30fc\u30b9\u3084\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30d4\u30fc\u30af\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3068\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3001CDN \u30eb\u30fc\u30eb\u30bb\u30c3\u30c8\u304c <strong>\u56de\u7b54<\/strong> \u5909\u5316\u3057\u305f\u3002.<\/p>\n\n<h3>\u6982\u8981\uff1a\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3068\u5bfe\u5fdc\u7b56<\/h3>\n<p>\u6b21\u306e\u8868\u306f\u3001\u5178\u578b\u7684\u306a\u56de\u7b54\u3092\u9069\u5207\u306a\u30b9\u30c6\u30c3\u30d7\u306b\u5206\u985e\u3057\u3001\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u5f37\u8abf\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u79c1\u306f\u3001\u65e5\u5e38\u7684\u306a\u8fc5\u901f\u306a\u610f\u601d\u6c7a\u5b9a\u306e\u6307\u91dd\u3068\u3057\u3066\u3053\u306e\u8868\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n<table>\n  <thead>\n    <tr>\n      <th>\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/th>\n      <th>\u30af\u30ed\u30fc\u30e9\u30fc\u306e\u53cd\u5fdc<\/th>\n      <th>\u30a2\u30af\u30b7\u30e7\u30f3<\/th>\n      <th>\u30db\u30b9\u30c6\u30a3\u30f3\u30b0\u306b\u95a2\u3059\u308b\u6ce8\u610f<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td><strong>200<\/strong> OK<\/td>\n      <td>\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u53d6\u5f97\u3055\u308c\u3001\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002<\/td>\n      <td>\u672c\u7269\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u63d0\u4f9b\u3057\u3001\u30bd\u30d5\u30c8404\u3092\u56de\u907f\u3059\u308b<\/td>\n      <td>TTFB\u3092\u4f4e\u304f\u4fdd\u3061\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u6e29\u3081\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>301<\/strong> \u6052\u4e45\u7684\u306b\u79fb\u52d5\u3057\u307e\u3057\u305f<\/td>\n      <td>\u30bf\u30fc\u30b2\u30c3\u30c8URL\u3078\u306e\u4fe1\u53f7<\/td>\n      <td>\u30c1\u30a7\u30fc\u30f3\u3092\u524a\u9664\u3057\u3001\u5185\u90e8\u30ea\u30f3\u30af\u3092\u66f4\u65b0\u3059\u308b<\/td>\n      <td>\u30ea\u30e9\u30a4\u30c8\u30eb\u30fc\u30eb\u3092\u660e\u78ba\u306b\u4fdd\u3064<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>302<\/strong> \u767a\u898b<\/td>\n      <td>\u4e00\u6642\u7684\u3001\u30bd\u30fc\u30b9\u306f\u4fe1\u53f7\u3092\u4fdd\u6301<\/td>\n      <td>\u77ed\u671f\u9593\u306e\u307f\u4f7f\u7528<\/td>\n      <td>\u5b9a\u671f\u7684\u306b\u78ba\u8a8d\u3059\u308b<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>304<\/strong> \u5909\u66f4\u306a\u3057<\/td>\n      <td>\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u4f7f\u7528\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306a\u3057<\/td>\n      <td>ETag\/Last-Modified \u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308b<\/td>\n      <td>CDN \u306b\u3088\u308b\u30a2\u30bb\u30c3\u30c8\u306e\u914d\u4fe1<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>404<\/strong> \u898b\u3064\u304b\u308a\u307e\u305b\u3093<\/td>\n      <td>URL\u304c\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u524a\u9664\u3055\u308c\u307e\u3059<\/td>\n      <td>\u5185\u90e8\u30ea\u30f3\u30af\u3092\u4fee\u6b63\u3057\u3001\u30bd\u30d5\u30c8404\u3092\u56de\u907f\u3059\u308b<\/td>\n      <td>\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\u3092\u30b9\u30ea\u30e0\u306b\u4fdd\u3064<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>410<\/strong> Gone<\/td>\n      <td>\u3088\u308a\u8fc5\u901f\u306a\u9664\u53bb<\/td>\n      <td>\u6052\u4e45\u7684\u306b\u524a\u9664\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u4f7f\u7528<\/td>\n      <td>\u771f\u306e\u9078\u629e\u80a2\u304c\u3042\u308b\u5834\u5408\u306b\u306e\u307f\u8ee2\u9001<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>500<\/strong> \u5185\u90e8\u30a8\u30e9\u30fc<\/td>\n      <td>\u30dc\u30c3\u30c8\u304c\u8a2a\u554f\u6570\u3092\u6e1b\u3089\u3059<\/td>\n      <td>\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3001\u539f\u56e0\u3092\u4fee\u6b63\u3059\u308b<\/td>\n      <td>\u30ea\u30bd\u30fc\u30b9\u3068\u5236\u9650\u306e\u5897\u52a0<\/td>\n    <\/tr>\n    <tr>\n      <td><strong>503<\/strong> \u30b5\u30fc\u30d3\u30b9\u5229\u7528\u4e0d\u53ef<\/td>\n      <td>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30e2\u30fc\u30c9\u3092\u53d7\u3051\u5165\u308c\u308b<\/td>\n      <td>\u201e\u300c\u518d\u8a66\u884c\u5f8c\u300d\u3092\u8a2d\u5b9a\u3057\u3001\u6642\u9593\u3092\u77ed\u304f\u4fdd\u3064<\/td>\n      <td>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u8a08\u753b<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\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\/01\/httpstatus-crawling-hosting-4728.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u30a8\u30e9\u30fc\u51e6\u7406\uff1a\u79c1\u304c\u6700\u521d\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068<\/h2>\n<p>\u79c1\u306f\u307e\u305a <strong>\u30b9\u30b3\u30fc\u30d7<\/strong>\uff1a\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3059\u3079\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u30dc\u30c3\u30c8\u306e\u307f\u304b\u3001\u30e2\u30d0\u30a4\u30eb\u306e\u307f\u304b\uff1f\u305d\u306e\u5f8c\u3001\u30b5\u30fc\u30d0\u30fc\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001CDN \u306e\u3044\u305a\u308c\u3067\u6700\u5f8c\u306b\u5909\u66f4\u304c\u3042\u3063\u305f\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u8ca0\u8377\u304c\u304b\u304b\u3063\u305f\u5834\u5408\u306b\u306e\u307f\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u306f\u3001\u4e00\u6642\u7684\u306b\u30ea\u30bd\u30fc\u30b9\u3092\u5897\u3084\u3057\u3001\u30c8\u30ec\u30fc\u30b9\u3067\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u63a2\u3057\u307e\u3059\u3002 5xx \u304c\u7e70\u308a\u8fd4\u3057\u767a\u751f\u3059\u308b\u5834\u5408\u306f\u3001\u30ed\u30b0\u30d1\u30bf\u30fc\u30f3\u3068\u30b9\u30c6\u30fc\u30bf\u30b9\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5dee\u3057\u8feb\u3063\u305f\u554f\u984c\u3092\u8fc5\u901f\u306b\u89e3\u6c7a\u3057\u3001\u305d\u308c\u304c <strong>\u30af\u30ed\u30fc\u30eb\u4e88\u7b97<\/strong> \u3055\u3089\u306b\u5f15\u304d\u4e0b\u3052\u308b\u3002.<\/p>\n\n<h2>\u30ea\u30ea\u30fc\u30b9\u524d\u306e\u6280\u8853\u30c1\u30a7\u30c3\u30af<\/h2>\n<p>\u30ed\u30fc\u30eb\u30a2\u30a6\u30c8\u306e\u524d\u306b\u3001\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u30d1\u30b9\u3092 <strong>\u30b9\u30c6\u30fc\u30b8\u30f3\u30b0<\/strong>-\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u30e9\u30a4\u30d6\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u6bd4\u8f03\u3059\u308b\u3002\u91cd\u8981\u306aURL\u306e\u30ea\u30b9\u30c8\u3092\u7528\u610f\u3057\u3066\u304a\u304f\uff1a\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3001\u30ab\u30c6\u30b4\u30ea\u30fc\u3001\u88fd\u54c1\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u691c\u7d22\u3001\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u3001API\u3002\u305d\u306e\u5f8c\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u3001\u30d0\u30ea\u30a2\u30d6\u30eb\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u30eb\u30fc\u30eb\u3001\u6b63\u898f\u5316\u306a\u3069\u306e\u30d8\u30c3\u30c0\u30fc\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3002\u6a5f\u80fd\u30d5\u30e9\u30b0\u306b\u3064\u3044\u3066\u306f\u3001\u610f\u56f3\u305b\u305a\u306b302\u3084404\u3092\u751f\u6210\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u660e\u78ba\u306a\u6761\u4ef6\u3092\u8a2d\u5b9a\u3059\u308b\u3002 \u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3001\u30ed\u30fc\u30c9\u6642\u9593\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u7d50\u679c\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u305f\u5834\u5408\u306b\u306e\u307f\u3001 <strong>\u30ea\u30ea\u30fc\u30b9<\/strong> \u7121\u6599\u3060\u3002<\/p>\n\n<h2>robots.txt\u3001\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u3001\u304a\u3088\u3073\u30b5\u30d6URL<\/h2>\n<p>\u79c1\u306f\u307e\u305a\u3001\u6b21\u306e\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3002 <strong>robots.txt<\/strong> 200 \u3067\u5b89\u5b9a\u3057\u3066\u5fdc\u7b54\u3057\u307e\u3059\u3002robots.txt \u3067 5xx \u307e\u305f\u306f 403 \u3092\u8fd4\u3059\u3068\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u304c\u4e0d\u5b89\u306b\u306a\u308a\u3001\u30af\u30ed\u30fc\u30eb\u304c\u6291\u5236\u3055\u308c\u307e\u3059\u3002robots.txt \u3067 404 \u3092\u8fd4\u3059\u3053\u3068\u306f\u300c\u5236\u9650\u306a\u3057\u300d\u3068\u307f\u306a\u3055\u308c\u307e\u3059\u304c\u3001\u30af\u30ed\u30fc\u30eb\u306b\u554f\u984c\u306e\u3042\u308b\u30b5\u30a4\u30c8\u306b\u3068\u3063\u3066\u306f\u60aa\u3044\u30b7\u30b0\u30ca\u30eb\u3068\u306a\u308a\u307e\u3059\u3002 <strong>\u30b5\u30a4\u30c8\u30de\u30c3\u30d7<\/strong> \u79c1\u306f 200 \u306e\u307f\u3092\u53d7\u3051\u5165\u308c\u3001\u30d5\u30a1\u30a4\u30eb\u306f\u5c0f\u3055\u304f\u3001gzip \u3067\u5727\u7e2e\u3055\u308c\u3001\u6b63\u3057\u3044 lastmod \u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u6301\u3064\u3082\u306e\u306e\u307f\u3068\u3057\u307e\u3059\u3002\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u3078\u306e 3xx \u306f\u6280\u8853\u7684\u306b\u306f\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u76f4\u63a5\u306e 200 \u5fdc\u7b54\u3092\u512a\u5148\u3057\u3066\u56de\u907f\u3057\u307e\u3059\u3002 <strong>\u30d5\u30a3\u30fc\u30c9<\/strong>, <strong>AMP<\/strong>- \u307e\u305f\u306f <strong>API<\/strong>-\u30ea\u30bd\u30fc\u30b9\u306b\u3064\u3044\u3066\u306f\u3001HTML\u30da\u30fc\u30b8\u304c200\u3092\u8fd4\u3059\u5834\u5408\u306b404\u30845xx\u3092\u8fd4\u3055\u306a\u3044\u3088\u3046\u6ce8\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3084\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u306e\u8a55\u4fa1\u304c\u4e0d\u5b89\u5b9a\u306b\u4e2d\u65ad\u3057\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3059\u3002.<\/p>\n\n<h2>Canonical\u3001Hreflang\u3001\u304a\u3088\u3073\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u306f 200 \u306e\u307f<\/h2>\n<p>\u6b21\u306e\u3088\u3046\u306a\u4fe1\u53f7 <strong>rel=canonical<\/strong>, <strong>hreflang<\/strong> \u307e\u305f\u306f\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8URL\u3068\u53c2\u7167URL\u304c200\u3067\u6700\u7d42\u7684\u306b\u30ed\u30fc\u30c9\u3055\u308c\u305f\u5834\u5408\u306b\u306e\u307f\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u30023xx\u3001404\u3001noindex URL\u3078\u306e\u6b63\u898f\u5316URL\u306f\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u3092\u6df7\u4e71\u3055\u305b\u308b\u305f\u3081\u907f\u3051\u3066\u3044\u307e\u3059\u3002hreflang\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u9006\u53c2\u7167<\/strong> \u305d\u3057\u3066\u3001\u3069\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3082\u6700\u7d42\u7684\u306b\u306f 200 \u3067\u7d42\u308f\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30da\u30fc\u30b8\u756a\u53f7\u4ed8\u304d\u30ea\u30b9\u30c8 (page=2,3,\u2026) \u306f\u3001\u78ba\u5b9f\u306b 200 \u3092\u8fd4\u3055\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u79c1\u306f\u3001\u7d50\u679c\u304c\u306a\u3044\u5834\u5408\u306b\u660e\u78ba\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3068\u5185\u90e8\u30ea\u30f3\u30af\u3092\u63d0\u4f9b\u3057\u3001\u305d\u308c\u3067\u3082\u6b63\u3057\u3044\u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u9001\u4fe1\u3059\u308b\u3053\u3068\u3067\u3001\u7a7a\u306e\u30da\u30fc\u30b8\u304c\u30bd\u30d5\u30c8 404 \u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002.<\/p>\n\n<h2>429 \u3068\u30ec\u30fc\u30c8\u5236\u9650\u3092\u6b63\u3057\u304f\u4f7f\u3046<\/h2>\n<p><strong>429 \u30ea\u30af\u30a8\u30b9\u30c8\u304c\u591a\u3059\u304e\u308b<\/strong> \u500b\u3005\u306e\u30dc\u30c3\u30c8\u304c\u653b\u6483\u7684\u3059\u304e\u308b\u5834\u5408\u306b\u3001\u7d30\u304b\u3044\u8abf\u6574\u3092\u884c\u3046\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3067\u3059\u3002\u79c1\u306f <strong>\u518d\u8a66\u884c\u5f8c<\/strong> \u30af\u30ed\u30fc\u30e9\u30fc\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5206\u6563\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u9069\u5207\u306a\u6642\u9593\u6307\u5b9a\u3092\u3057\u3066\u304f\u3060\u3055\u3044\u3002429 \u306f 503 \u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u4ee3\u308f\u308a\u306b\u306f\u306a\u3089\u305a\u3001\u6b63\u5f53\u306a\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002 WAF \u307e\u305f\u306f CDN \u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3001IP\u3001\u30d1\u30b9\u3092\u533a\u5225\u3057\u3066\u3001\u30e1\u30c7\u30a3\u30a2\u30a2\u30bb\u30c3\u30c8\u306f 200\/304 \u3092\u5f15\u304d\u7d9a\u304d\u914d\u4fe1\u3057\u3001HTML \u306f\u4e00\u6642\u7684\u306b\u30b9\u30ed\u30c3\u30c8\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002\u91cd\u8981\uff1a429 \u306f\u6c38\u7d9a\u7684\u306a\u3082\u306e\u306b\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u30dc\u30c3\u30c8\u306f\u30b5\u30a4\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u56f0\u96e3\u3067\u3042\u308b\u3068\u5224\u65ad\u3057\u3001\u4e88\u7b97\u3092\u6e1b\u3089\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>401\/403\/451\uff1a\u610f\u56f3\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b \u2013 \u3057\u304b\u3057\u4e00\u8cab\u6027\u304c\u3042\u308b<\/h2>\n<p><strong>401<\/strong> \u30ed\u30b0\u30a4\u30f3\u4fdd\u8b77\u3055\u308c\u305f\u9818\u57df\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002, <strong>403<\/strong> \u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306b\u5bfe\u3057\u3066\u3002\u79c1\u306f\u3001\u53b3\u683c\u306a\u30dc\u30c3\u30c8\u30d5\u30a3\u30eb\u30bf\u30fc\u306a\u3069\u3092\u901a\u3058\u3066\u3001\u3053\u308c\u3089\u306e\u5fdc\u7b54\u304c\u8aa4\u3063\u3066 Googlebot \u306b\u9069\u7528\u3055\u308c\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u5730\u7406\u7684\u5236\u9650\u3084\u6cd5\u7684\u8981\u4ef6\u304c\u3042\u308b\u5834\u5408\u306f\u3001 <strong>451<\/strong> \u305d\u306e\u7406\u7531\u3092\u793e\u5185\u3067\u8a18\u9332\u3057\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30b9\u30c6\u30a3\u30b7\u30e3\u30eb\uff08\u300c\u30a2\u30af\u30bb\u30b9\u62d2\u5426\u300d\uff09\u306b\u3088\u308b 200 \u5fdc\u7b54\u306f\u4f7f\u7528\u3057\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u30da\u30fc\u30b8\u306f\u30bd\u30d5\u30c8 404 \u3068\u540c\u3058\u3088\u3046\u306a\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002\u4ee3\u66ff\u624b\u6bb5\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u660e\u78ba\u306b\u30ea\u30f3\u30af\u3057\u3001\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f URL \u306f\u6b63\u3057\u3044 4xx \u30b9\u30c6\u30fc\u30bf\u30b9\u3092\u9001\u4fe1\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\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\/01\/serverraum-crawling-5839.png\" alt=\"\" width=\"1536\" height=\"1024\"\/>\n<\/figure>\n\n\n<h2>\u56de\u7b54\u306e\u5747\u7b49\u6027\uff1a\u30e2\u30d0\u30a4\u30eb\u3001\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u3001\u52d5\u7684\u306a\u518d\u751f<\/h2>\n<p>\u30e2\u30d0\u30a4\u30eb\u30dc\u30c3\u30c8\u3068\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u30dc\u30c3\u30c8\u304c\u540c\u3058 <strong>\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/strong> \u898b\u308b\u3002\u52d5\u7684\u306a\u518d\u751f\uff08A\/B \u30c6\u30b9\u30c8\u3001\u6a5f\u80fd\u30d5\u30e9\u30b0\u3001\u5730\u7406\u7684\u30b3\u30f3\u30c6\u30f3\u30c4\uff09\u306f\u3001\u500b\u3005\u306e\u30e6\u30fc\u30b6\u30fc\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u5bfe\u3057\u3066 302\/403 \u3092\u30c8\u30ea\u30ac\u30fc\u3057\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u79c1\u306f <strong>\u53ef\u5909<\/strong>-\u30d8\u30c3\u30c0\u30fc\u306f\u63a7\u3048\u3081\u306b\u3001\u610f\u8b58\u7684\u306b\uff08\u4f8b\uff1aAccept-Language\uff09\u4f7f\u7528\u3057\u3066\u3001\u4e0d\u8981\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5206\u5272\u3092\u907f\u3051\u3001\u3059\u3079\u3066\u306e\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30b9\u304c 200\/304 \u3067\u4e00\u8cab\u3057\u3066\u7d42\u308f\u308b\u3088\u3046\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u30d1\u30ea\u30c6\u30a3\u306e\u7834\u640d\u306f\u3001\u30dc\u30c3\u30c8\u304c 404 \u3092\u8a8d\u8b58\u3059\u308b\u4e00\u65b9\u3067\u30e6\u30fc\u30b6\u30fc\u304c 200 \u3092\u8a8d\u8b58\u3059\u308b\u5834\u5408\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u306e\u554f\u984c\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u79c1\u306f\u3001\u660e\u78ba\u306a\u30eb\u30fc\u30eb\u3068\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3054\u3068\u306e\u30c6\u30b9\u30c8\u306b\u3088\u3063\u3066\u3001\u3053\u306e\u3088\u3046\u306a\u30b1\u30fc\u30b9\u3092\u6392\u9664\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>HEAD\u3001OPTIONS\u3001\u304a\u3088\u3073 API \u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8<\/h2>\n<p>\u591a\u304f\u306e\u30af\u30ed\u30fc\u30e9\u30fc\u3092\u9001\u4fe1 <strong>HEAD<\/strong>-\u7a7a\u304d\u72b6\u6cc1\u3084\u30b5\u30a4\u30ba\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3002\u79c1\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u3001GET \u3068\u540c\u3058\u30ed\u30b8\u30c3\u30af\u3067\u5fdc\u7b54\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30dc\u30c7\u30a3\u306f\u542b\u307e\u308c\u307e\u305b\u3093\u3002GET \u304c 200 \u3092\u8fd4\u3059\u5834\u5408\u3001HEAD \u3067 405 \u3092\u56de\u907f\u3057\u307e\u3059\u3002. <strong>\u30aa\u30d7\u30b7\u30e7\u30f3<\/strong> \u307e\u305f\u3001CORS \u30d7\u30ec\u30d5\u30e9\u30a4\u30c8\u306b\u3064\u3044\u3066\u306f\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30bd\u30fc\u30b9\u304b\u3089\u306e\u30a2\u30bb\u30c3\u30c8\u304c\u6b63\u5e38\u306b\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3088\u3046\u306b\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\u3002 <strong>API\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8<\/strong>, \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6642\u306b\u30c7\u30fc\u30bf\u3092\u63d0\u4f9b\u3059\u308bAPI\u306b\u3064\u3044\u3066\u306f\u3001\u5b89\u5b9a\u3057\u305f200\/304\u3068\u3001\u5b9f\u969b\u306e\u30a8\u30e9\u30fc\u3067\u306f\u660e\u78ba\u306a4xx\u306b\u6ce8\u610f\u3092\u6255\u3063\u3066\u3044\u307e\u3059\u3002API\u304c\u6563\u767a\u7684\u306b5xx\u3092\u8fd4\u3059\u5834\u5408\u306f\u3001HTML\u30da\u30fc\u30b8\u304c200\u3092\u8fd4\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30ed\u30b0\u306b\u5225\u9014\u8a18\u9332\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>CDN \u30eb\u30fc\u30eb\u3001\u30b9\u30c6\u30fc\u30eb\u6226\u7565\u30015xx \u30b7\u30fc\u30eb\u30c9<\/h2>\n<p>CDN \u3067\u306f\u3001200\u3001301\u3001\u304a\u3088\u3073\u9759\u7684\u306a 404 \u3092\u5236\u5fa1\u3057\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u307e\u3059\u304c\u3001 <strong>503<\/strong> \u307e\u305f\u306f\u7ba1\u7406\u30da\u30fc\u30b8\u304c\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u4fdd\u5b58\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <strong>\u3082\u3057\u30a8\u30e9\u30fc\u306a\u3089<\/strong> \u30dc\u30c3\u30c8\u304c\u30a8\u30e9\u30fc\u3092\u8a8d\u8b58\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u4e00\u6642\u7684\u306a 5xx \u3092\u30d0\u30a4\u30d1\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u79c1\u306f <strong>\u30b5\u30ed\u30b2\u30fc\u30c8\u30fb\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb<\/strong> \u30a8\u30c3\u30b8\u4fe1\u53f7\u306b\u3064\u3044\u3066\u306f\u3001HTML \u306e TTL \u3092\u30a2\u30bb\u30c3\u30c8\u3088\u308a\u3082\u77ed\u304f\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002ETag \u306f <strong>\u30af\u30e9\u30b9\u30bf\u5bfe\u5fdc<\/strong> \uff08\u3069\u3053\u3067\u3082\u540c\u3058\u304b\u7121\u52b9\u5316\uff09\u3057\u3066\u3001304 \u304c\u78ba\u5b9f\u306b\u6a5f\u80fd\u3057\u3001\u30cf\u30c3\u30b7\u30e5\u306e\u5dee\u7570\u306b\u3088\u3063\u3066\u5931\u52b9\u3057\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u91cd\u8981\uff1a\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\uff08301\/302\uff09\u306f CDN \u3067\u7121\u671f\u9650\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u3079\u304d\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u53e4\u3044\u30d1\u30b9\u304c\u30c1\u30a7\u30fc\u30f3\u3068\u3057\u3066\u6b8b\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002.<\/p>\n\n<h2>E\u30b3\u30de\u30fc\u30b9\u306e\u4e8b\u4f8b\uff1a\u58f2\u308a\u5207\u308c\u3001\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u3001\u30d5\u30a3\u30eb\u30bf\u30fc<\/h2>\n<p>\u88fd\u54c1\u304c\u4e00\u6642\u7684\u306b\u5728\u5eab\u5207\u308c\u306e\u5834\u5408\u3001\u88fd\u54c1\u30da\u30fc\u30b8\u306f\u305d\u306e\u307e\u307e\u6b8b\u308a\u307e\u3059\u3002 <strong>200<\/strong> \u660e\u78ba\u306a\u8868\u793a\u3068\u3001\u610f\u5473\u306e\u3042\u308b\u5185\u90e8\u30ea\u30f3\u30af\uff08\u30ab\u30c6\u30b4\u30ea\u30fc\u3001\u4ee3\u66ff\u54c1\uff09\u3092\u4ed8\u3051\u308b\u3002\u6c38\u4e45\u306b\u524a\u9664\u3055\u308c\u305f\u5546\u54c1\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u3044\u305a\u308c\u304b\u3092\u9078\u629e\u3059\u308b\u3002 <strong>301<\/strong> \u6700\u9069\u306a\u4ee3\u66ffURL\uff08\u771f\u306b\u4e00\u81f4\u3059\u308b\u5834\u5408\u306e\u307f\uff09\u304a\u3088\u3073 <strong>410<\/strong>, \u9069\u5207\u306a\u4ee3\u66ff\u624b\u6bb5\u304c\u306a\u3044\u5834\u5408\u3002\u79c1\u306f\u3001\u30bd\u30d5\u30c8404\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3059\u308b\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u3078\u306e\u5927\u91cf\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306f\u907f\u3051\u3066\u3044\u307e\u3059\u3002 <strong>\u30d5\u30a3\u30eb\u30bf\u30fc\u304a\u3088\u3073\u30d1\u30e9\u30e1\u30fc\u30bfURL<\/strong> \u79c1\u306f\u660e\u78ba\u306a\u30eb\u30fc\u30eb\u3092\u63a1\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u95a2\u9023\u3059\u308b\u7d44\u307f\u5408\u308f\u305b\u306e\u307f\u3092 200 \u3067\u3001\u305d\u306e\u4ed6\u306f 301 \u3092\u4f7f\u7528\u3057\u3066\u6b63\u898f\u306e URL \u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u304b\u3001noindex \u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30bd\u30d5\u30c8 404 \u691c\u51fa\u5668\u3092\u30c8\u30ea\u30ac\u30fc\u3059\u308b\u3001\u7a7a\u306e\u30da\u30fc\u30b8\u3084\u307b\u307c\u540c\u4e00\u306e\u30da\u30fc\u30b8\u306b 200 \u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u306f\u6c7a\u3057\u3066\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n<h2>Noindex\u3001\u30ed\u30dc\u30c3\u30c8\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u660e\u78ba\u306b\u533a\u5225\u3059\u308b<\/h2>\n<p><strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306a\u3057<\/strong> \u306f\u30b3\u30f3\u30c6\u30f3\u30c4\u4fe1\u53f7\u3067\u3042\u308a\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306f\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u4fe1\u53f7\u3067\u3059\u3002\u30af\u30ed\u30fc\u30e9\u30fc\u3092\u6df7\u4e71\u3055\u305b\u308b\u6df7\u5408\u5f62\u5f0f\u306f\u907f\u3051\u3066\u304f\u3060\u3055\u3044\u3002noindex \u30da\u30fc\u30b8\u3078\u306e 301\u3001\u30ea\u30bd\u30fc\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306e\u300c\u30a2\u30af\u30bb\u30b9\u5236\u9650\u300d\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\u4ed8\u304d 200 \u306f\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002 \u30da\u30fc\u30b8\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u53ef\u80fd\uff08200 + index\uff09\u304b\u3001\u524a\u9664\u6e08\u307f\uff08404\/410\uff09\u304b\u3001\u4e00\u6642\u7684\u306b\u5229\u7528\u4e0d\u53ef\uff08503\u3001Retry-After \u4ed8\u304d\uff09\u306e\u3044\u305a\u308c\u304b\u3067\u3059\u3002robots.txt \u306f\u30af\u30ed\u30fc\u30eb\u306e\u307f\u3092\u30d6\u30ed\u30c3\u30af\u3057\u3001\u3059\u3067\u306b\u77e5\u3089\u308c\u3066\u3044\u308b URL \u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u30d6\u30ed\u30c3\u30af\u3057\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u5b9f\u969b\u306b\u524a\u9664\u3055\u308c\u305f\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u306f <strong>404\/410<\/strong> \u30ed\u30dc\u30c3\u30c8\u306e\u30ed\u30c3\u30af\u306e\u4ee3\u308f\u308a\u306b\u3002.<\/p>\n\n<h2>\u79c1\u304c\u6ce8\u76ee\u3057\u3066\u3044\u308b\u6307\u6a19\u3068\u95be\u5024<\/h2>\n<ul>\n  <li><strong>5xx\u30ec\u30fc\u30c8<\/strong>\uff1a0.1% \u3092\u5927\u5e45\u306b\u4e0b\u56de\u308b\u72b6\u614b\u304c\u6301\u7d9a\u3059\u308b\u5834\u5408\u3002\u30b9\u30d1\u30a4\u30af\u306f\u76f4\u3061\u306b\u8abf\u67fb\u3059\u308b\u3053\u3068\u3002.<\/li>\n  <li><strong>4xx\u30ec\u30fc\u30c8<\/strong>\uff1a\u30b5\u30a4\u30c8\u30bf\u30a4\u30d7\u306b\u5fdc\u3058\u3066 1\uff5e2%\u3002\u5185\u90e8 4xx \u306f 0% \u306b\u5bfe\u3057\u3066\u884c\u3046\u3079\u304d\u3002.<\/li>\n  <li><strong>3xx\u306e\u5272\u5408<\/strong>: \u3067\u304d\u308b\u3060\u3051\u4f4e\u3044\uff1b; <strong>\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30c1\u30a7\u30fc\u30f3<\/strong> 0\u306b\u8a2d\u5b9a\u3002.<\/li>\n  <li><strong>304\u306e\u5272\u5408<\/strong> \u8cc7\u7523\u306e\u5834\u5408\uff1a\u9ad8\u3044\u307b\u3069\u826f\u3044 \u2013 \u30ad\u30e3\u30c3\u30b7\u30e5\u304c\u6a5f\u80fd\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3059\u6307\u6a19\u3002.<\/li>\n  <li><strong>TTFB<\/strong> HTML\u306e\u5834\u5408\uff1a\u5b89\u5b9a\u3057\u3066\u4f4e\u3044\u3002\u5916\u308c\u5024\u306f5xx\/429\u3068\u76f8\u95a2\u95a2\u4fc2\u304c\u3042\u308b\u3002.<\/li>\n  <li><strong>\u30b5\u30a4\u30c8\u30de\u30c3\u30d7-\u5065\u5eb7<\/strong>: 200\u3001\u6709\u52b9\u306a lastmod\u3001\u30ea\u30f3\u30af\u5207\u308c\u306a\u3057\u3002.<\/li>\n  <li><strong>\u30d1\u30ea\u30c6\u30a3<\/strong> \u30e2\u30d0\u30a4\u30eb\u3068\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\uff1a\u540c\u3058\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3068\u6700\u7d42URL\u3002.<\/li>\n<\/ul>\n<p>\u79c1\u306f\u3053\u308c\u3089\u306e\u6307\u6a19\u3092\u3001\u30c7\u30d7\u30ed\u30a4\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u30d4\u30fc\u30af\u3001\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u30a4\u30d9\u30f3\u30c8\u3068\u95a2\u9023\u4ed8\u3051\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30bf\u30fc\u30f3\u3092\u8a8d\u8b58\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <strong>\u30af\u30ed\u30fc\u30eb\u4e88\u7b97<\/strong> \u30e9\u30f3\u30ad\u30f3\u30b0\u304c\u53cd\u5fdc\u3059\u308b\u305a\u3063\u3068\u524d\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002.<\/p>\n\n<h2>\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\uff1a1xx\u3001405\u3001410 \u5bfe 404<\/h2>\n<p><strong>1xx<\/strong>-\u5fdc\u7b54\u306fSEO\u306b\u3068\u3063\u3066\u5b9f\u8cea\u7684\u306b\u7121\u95a2\u4fc2\u3067\u3059\u3002\u30b5\u30fc\u30d0\u30fc\u3068CDN\u304c\u6b63\u3057\u304f\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3060\u3051\u3067\u3059\uff08\u4f8b\uff1aHTTP\/2\/3\uff09\u3002. <strong>405 \u30e1\u30bd\u30c3\u30c9\u304c\u8a31\u53ef\u3055\u308c\u3066\u3044\u307e\u305b\u3093<\/strong> HEAD\/POST \u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a GET 200 \u3092\u8fd4\u3059\u5834\u5408\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u7121\u5bb3\u3067\u3059\u304c\u3001\u4e00\u8cab\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u9078\u629e\u6642\u306b\u306f <strong>404 \u5bfe 410<\/strong> \u79c1\u306f\u3001\u610f\u56f3\u7684\u306b\u524a\u9664\u3057\u305f\u6c38\u7d9a\u7684\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u306f 410 \u3092\u3001\u4e0d\u660e\u307e\u305f\u306f\u8aa4\u3063\u3066\u30ea\u30f3\u30af\u3055\u308c\u305f\u30d1\u30b9\u306b\u306f 404 \u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001 <strong>\u4e00\u8cab\u6027<\/strong>, \u3053\u308c\u306b\u3088\u308a\u3001\u30af\u30ed\u30fc\u30e9\u30fc\u306f\u7e70\u308a\u8fd4\u3057\u30d1\u30bf\u30fc\u30f3\u304b\u3089\u5b66\u7fd2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n<h2>\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u6226\u7565\u3068\u8010\u969c\u5bb3\u6027<\/h2>\n<p>\u79c1\u306f\u3001\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306b\u30a8\u30e9\u30fc\u304c\u3042\u3063\u305f\u5834\u5408\u306b\u7d20\u65e9\u304f\u623b\u308c\u308b\u3088\u3046\u306b\u30ea\u30ea\u30fc\u30b9\u3092\u8a08\u753b\u3057\u3066\u3044\u307e\u3059\u3002 <strong>\u30d6\u30eb\u30fc\/\u30b0\u30ea\u30fc\u30f3<\/strong>-\u30c7\u30d7\u30ed\u30a4\u3001\u7d30\u304b\u3044\u6a5f\u80fd\u30d5\u30e9\u30b0\u3001\u53ef\u9006\u7684\u306a\u66f8\u304d\u63db\u3048\u30eb\u30fc\u30eb\u3002\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306b\u306f\u3001 <strong>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30da\u30fc\u30b8<\/strong>, \u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6\u306e\u5b9f\u884c\u4e2d\u306b 503 \u3092\u8fd4\u3059\u3002\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30ec\u30d9\u30eb\u3067\u306f\u3001\u6b63\u5f53\u306a\u30af\u30ed\u30fc\u30eb\u3092\u59a8\u3052\u305a\u306b\u653b\u6483\u3092\u906e\u65ad\u3059\u308b\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\u3001\u81ea\u52d5\u518d\u8d77\u52d5\u3001\u30ec\u30fc\u30c8\u5236\u9650\u3092\u7528\u610f\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u5bfe\u7b56\u306f\u3059\u3079\u3066\u3001, <strong>200\/304<\/strong> 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