{"id":7263,"date":"2013-12-03T06:00:54","date_gmt":"2013-12-02T21:00:54","guid":{"rendered":"http:\/\/www.suzukikenichi.com\/blog\/?p=7263"},"modified":"2013-12-03T07:04:22","modified_gmt":"2013-12-02T22:04:22","slug":"redirecting-old-pages-to-a-single-page-is-seen-as-a-soft-404","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/redirecting-old-pages-to-a-single-page-is-seen-as-a-soft-404\/","title":{"rendered":"\u524a\u9664\u3057\u305f\u30da\u30fc\u30b8\u3092\u5358\u4e00\u306e\u30da\u30fc\u30b8\u306b\u307e\u3068\u3081\u3066301\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3068\u30bd\u30d5\u30c8404\u306b\u306a\u308b"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u5bfe\u8c61: \u4e2d\u7d1a]<\/p>\n<p class=\"p40-b\">\u524a\u9664\u3057\u305f\u30da\u30fc\u30b8\u3092\u3044\u304f\u3064\u30821\u3064\u306e\u30da\u30fc\u30b8\u306b<a href=\"\/\/www.suzukikenichi.com\/blog\/301%E3%83%AA%E3%83%80%E3%82%A4%E3%83%AC%E3%82%AF%E3%83%88%E3%81%AE%E8%A8%AD%E5%AE%9A%E6%96%B9%E6%B3%95\/\">301\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/a>\u3059\u308b\u3068\u3001<a href=\"https:\/\/support.google.com\/webmasters\/answer\/181708?hl=ja\">\u30bd\u30d5\u30c8404<\/a>\u3068\u3057\u3066Google\u306b\u306f\u8a8d\u8b58\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<h2>\u8907\u6570\u306e\u53e4\u3044\u30da\u30fc\u30b8\u30921\u3064\u306e\u30da\u30fc\u30b8\u306b\u307e\u3068\u3081\u3066\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u306a\u3044<\/h2>\n<p>\u82f1\u8a9e\u7248\u306eGoogle\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u5411\u3051\u516c\u5f0f\u30d5\u30a9\u30fc\u30e9\u30e0\u3067\u3001Google\u793e\u54e1\u306eJohn Mueller\uff08\u30b8\u30e7\u30f3\u30fb\u30df\u30e5\u30fc\u30e9\u30fc\uff09\u6c0f\u304c<a href=\"https:\/\/productforums.google.com\/forum\/#!msg\/webmasters\/mqkJX5X1mz8\/_MCdcfXzFO8J\">\u6b21\u306e\u3088\u3046\u306b\u30b3\u30e1\u30f3\u30c8<\/a>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<blockquote><p>\u53e4\u3044\u30da\u30fc\u30b8\u305f\u3061\u3092\u5358\u4e00\u306e\u30da\u30fc\u30b8\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3068\u3001\u30bd\u30d5\u30c8404\u3068\u3057\u3066\u307f\u306a\u3055\u308c\u308b\u3002\u3053\u308c\u306f\u57fa\u672c\u7684\u306b\u306f\u3001\u79c1\u305f\u3061\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u304a\u3044\u3066\u306f404\u3001\u300c\u30da\u30fc\u30b8\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u300d\u3068\u540c\u3058\u3088\u3046\u306b\u6271\u308f\u308c\u308b\u3002<\/p>\n<p>\u4e00\u822c\u7684\u306b\u306f\u3001\uff08\u306a\u304f\u306a\u3063\u305fURL\u306b\u5bfe\u3057\u3066\u306f\uff09\u30a8\u30e9\u30fc\u3060\u3068\u306f\u3063\u304d\u308a\u308f\u304b\u308b\u30da\u30fc\u30b8\u3092\u4f7f\u3044\u3001404\u306eHTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u8fd4\u3059\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u308b\u89e3\u6c7a\u7b56\u306b\u306a\u308b\u3002<\/p><\/blockquote>\n<p>\u5185\u5bb9\u304c\u53e4\u304f\u306a\u3063\u305f\u308a\u524a\u9664\u3057\u305f\u308a\u3057\u305f\u30da\u30fc\u30b8\u3092<a href=\"http:\/\/web-tan.forum.impressrd.jp\/e\/2012\/11\/30\/14242\/page=0,1#f4\">\u3059\u3079\u3066\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u306b301\u30ea\u30c0\u30a4\u30ec\u30af\u30c8<\/a>\u3059\u308b\u3053\u3068\u306f\u3001\u30bd\u30d5\u30c8404\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u308b\u3057\u3084\u3063\u3066\u306f\u3044\u3051\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u30c8\u30c3\u30d7\u30da\u30fc\u30b8\u3067\u306f\u306a\u304b\u3063\u305f\u3068\u3057\u3066\u3082\u3001\u672c\u6765\u306a\u3089404\u3092\u8fd4\u3059\u3079\u304d\u30da\u30fc\u30b8\u30921\u3064\u306e\u540c\u3058\u30da\u30fc\u30b8\u306b\u307e\u3068\u3081\u3066\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3053\u3068\u306f\u540c\u69d8\u306b\u30bd\u30d5\u30c8404\u3068\u3057\u3066\u51e6\u7406\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p60-b p30-t\">\u306a\u304a\u3001\u30df\u30e5\u30fc\u30e9\u30fc\u6c0f\u306e\u30b3\u30e1\u30f3\u30c8\u3092\u5f15\u7528\u3057\u305f\u516c\u5f0f\u30d8\u30eb\u30d7\u30d5\u30a9\u30fc\u30e9\u30e0\u306e\u6295\u7a3f\u306e\u8cea\u554f\u8005\u306e\u72b6\u6cc1\u3067\u306f\u3001\u30bd\u30d5\u30c8404\u306e\u901a\u77e5\u304c\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u30c4\u30fc\u30eb\u306b\u5c4a\u3044\u3066\u3044\u307e\u3059\u304c\u3001\u6700\u7d42\u7684\u306b\u306f\u610f\u56f3\u3059\u308b\u7d50\u679c\u306b\u306a\u308b\u306e\u3067\u3053\u308c\u306f\u3053\u308c\u3067\u554f\u984c\u304c\u306a\u3044\u3088\u3046\u3067\u3059\u3002<br \/>\n\u8a73\u7d30\u3092\u77e5\u308a\u305f\u3051\u308c\u3070\u53c2\u7167\u5143\u306e\u30b9\u30ec\u30c3\u30c9\u3092\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>PageRank\u3092\u6551\u3046\u305f\u3081\u306e\u3001404\u4ee3\u308f\u308a\u306e301\u3082NG<\/h2>\n<p>\u30b5\u30a4\u30c8\u3092\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\u3057\u305f\u308a\u30c9\u30e1\u30a4\u30f3\u3092\u79fb\u8ee2\u3059\u308b\u969b\u306b\u3001\u65b0\u3057\u3044\u30b5\u30a4\u30c8\u3078\u306f\u79fb\u884c\u3057\u306a\u3044\u4e88\u5b9a\u306eURL\u304c\u51fa\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u3053\u3067\u3001\u305d\u306e\u306a\u304f\u306a\u308b\u30da\u30fc\u30b8\u304c\u6301\u3064PageRank\u3092\u5931\u3044\u305f\u304f\u306a\u3044\u3068\u304d\u306f\u3001\u4e0b\u306e\u65b9\u6cd5\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u4ee5\u524d\u306b<a href=\"\/\/www.suzukikenichi.com\/blog\/you-should-not-301-redirect-all-non-existed-pages-to-home-page\/\">\u3053\u306e\u30d6\u30ed\u30b0\u3067\u7d39\u4ecb<\/a>\u3057\u307e\u3057\u305f\u3002<\/p>\n<blockquote><p>\u300c\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\uff08\u307e\u305f\u306f\u79fb\u8ee2\uff09\u3057\u305f\u305f\u3081\u3001\u8a72\u5f53\u30da\u30fc\u30b8\u306f\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u300d\u3068\u3044\u3046\u8aac\u660e\u30da\u30fc\u30b8\u3092\u4f5c\u3063\u3066301\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3002<\/p><\/blockquote>\n<p>\u3068\u3053\u308d\u304c\u3001\u3053\u308c\u3082\u5358\u4e00\u306e\u30da\u30fc\u30b8\u306b\u306a\u304f\u306a\u3063\u305f\u30da\u30fc\u30b8\u3092301\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7d50\u679c\u3068\u3057\u3066\u3001\u30bd\u30d5\u30c8404\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3092<a href=\"http:\/\/b.hatena.ne.jp\/entry\/www.suzukikenichi.com\/blog\/you-should-not-301-redirect-all-non-existed-pages-to-home-page\/\">\u306f\u3066\u306a\u30d6\u30c3\u30af\u30de\u30fc\u30af<\/a>\u306b\u767b\u9332\u3057\u3066\u304f\u308c\u305f\u30e6\u30fc\u30b6\u30fc\u3055\u3093\u304c\u3053\u3093\u306a\u30b3\u30e1\u30f3\u30c8\u3092\u66f8\u304d\u8fbc\u3093\u3067\u3044\u307e\u3057\u305f\u3002<\/p>\n<blockquote><p>\u201c\u300c\u30ea\u30cb\u30e5\u30fc\u30a2\u30eb\uff08\u307e\u305f\u306f\u79fb\u8ee2\uff09\u3057\u305f\u305f\u3081\u3001\u8a72\u5f53\u30da\u30fc\u30b8\u306f\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u300d\u3068\u3044\u3046\u8aac\u660e\u30da\u30fc\u30b8\u3092\u4f5c\u3063\u3066301\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3002\u201d\u3053\u308c\u3092\u3084\u3063\u305f\u3089\u30bd\u30d5\u30c8404\u306e\u8b66\u544a\u304c\u6765\u305f\u30fb\u30fb\u30fb\u30fb\u30fb<\/p><\/blockquote>\n<p>\u3064\u3044\u6700\u8fd1\u4ed8\u3044\u305f\u3070\u304b\u308a\u306e\u30b3\u30e1\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<p class=\"p60-b\">PageRank\u3092\u6551\u3046\u305f\u3081\u306b\u4ee5\u524d\u306f\u4f7f\u3048\u305f\u65b9\u6cd5\u3067\u3059\u304c\u3001\u4eca\u306f\u52b9\u679c\u304c\u306a\u3055\u305d\u3046\u3067\u3059\u306d\u3002<br \/>\n\u300c\u8a72\u5f53\u30da\u30fc\u30b8\u306f\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u300d\u30da\u30fc\u30b8\u306b301\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u3066\u3082404\u76f8\u5f53\u3068\u3057\u3066\u6271\u308f\u308c\u308b\u305f\u3081\u3001PageRank\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2>\u306a\u304f\u306a\u3063\u305f\u30da\u30fc\u30b8\u306e\u5bfe\u51e6\u65b9\u6cd5<\/h2>\n<p>\u5b58\u5728\u3057\u306a\u304f\u306a\u3063\u305f\u30da\u30fc\u30b8\uff08URL\uff09\u306e\u5bfe\u51e6\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li>404\u307e\u305f\u306f<a href=\"\/\/www.suzukikenichi.com\/blog\/how-to-set-up-410-gone\/\">410<\/a>\u306eHTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u3092\u8fd4\u3059\uff08\u308f\u304b\u308a\u3084\u3059\u3044\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\u3092\u7528\u610f\u3057\u3066\u304a\u304f\u3068\u30e6\u30fc\u30b6\u30fc\u306b\u89aa\u5207\uff09<\/li>\n<li>\u95a2\u9023\u3059\u308b\u30da\u30fc\u30b8\u304c\u3042\u308b\u306a\u3089\u3001\u305d\u306eURL\u306b301\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\uff08\u5185\u5bb9\u306b\u95a2\u4fc2\u304c\u306a\u3044\u30da\u30fc\u30b8\u306b\u306f\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3057\u306a\u3044\uff09<\/li>\n<\/ul>\n<p>\u306a\u304f\u306a\u308b\u30da\u30fc\u30b8\u306bSEO\u7684\u306a\u4fa1\u5024\u304c\u3042\u3063\u3066\u3069\u3046\u3057\u3066\u3082404\u3092\u8fd4\u3057\u305f\u304f\u306a\u3044\u3068\u304d\u306f\u3001\u30da\u30fc\u30b8\u306e\u5185\u5bb9\u304c\u53e4\u304f\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3084\u3001EC\u30b5\u30a4\u30c8\u3067\u3042\u308c\u3070\u5546\u54c1\u304c\u8ca9\u58f2\u7d42\u4e86\u3057\u305f\u3053\u3068\u306a\u3069\u3092\u30e6\u30fc\u30b6\u30fc\u306b\u660e\u3089\u304b\u306b\u308f\u304b\u308b\u3088\u3046\u306b\u8aac\u660e\u3057\u3066\u6b8b\u3057\u3066\u304a\u304f\u306e\u304c\u9078\u629e\u80a2\u306b\u306a\u308a\u307e\u3059\u304b\u306d\u3002<\/p>\n<p>\u691c\u7d22\u7d50\u679c\u306b\u51fa\u308b\u3068\u30e6\u30fc\u30b6\u30fc\u3092\u6238\u60d1\u308f\u305b\u308b\u3060\u3051\u306a\u306e\u3067\u3001<a href=\"\/\/www.suzukikenichi.com\/blog\/how-to-use-meta-noindex-nofollow-noarchive\/\">noindex robots meta\u30bf\u30b0<\/a>\u3082\u4ed8\u3051\u3066\u304a\u304d\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n<p>\u3068\u3044\u3063\u3066\u3082\u63a8\u5968\u3059\u308b\u3084\u308a\u65b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u3053\u3093\u306a\u3084\u308a\u65b9\u304c\u8003\u3048\u3089\u308c\u308b\u304b\u306a\u3068\u3044\u3046\u5358\u306a\u308b\u601d\u3044\u3064\u304d\u3067\u3059\u3002<\/p>\n<p>\u306a\u304f\u306a\u3063\u305f\u30da\u30fc\u30b8\u306e\u5bfe\u51e6\u65b9\u6cd5\u306e\u5927\u539f\u5247\u306f\u3001404\/410\u3001\u5185\u5bb9\u304c\u8fd1\u3044\u30da\u30fc\u30b8\u304c\u3042\u308b\u306a\u3089301\u3067\u3059\u3002<\/p>\n<p>404\u30a8\u30e9\u30fc\u306f\u3001\u30b5\u30a4\u30c8\u306e\u30af\u30ed\u30fc\u30eb\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u30e9\u30f3\u30ad\u30f3\u30b0\u306b\u306f\u901a\u5e38\u306f<a 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