{"id":6338,"date":"2012-02-08T06:10:13","date_gmt":"2012-02-07T21:10:13","guid":{"rendered":"http:\/\/www.suzukikenichi.com\/blog\/?p=6338"},"modified":"2012-02-08T06:05:39","modified_gmt":"2012-02-07T21:05:39","slug":"why-dont-404-pages-disappear-immediately-from-search-results","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/why-dont-404-pages-disappear-immediately-from-search-results\/","title":{"rendered":"\u5b58\u5728\u3057\u306a\u3044404\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\u304cGoogle\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u306a\u304b\u306a\u304b\u6d88\u3048\u306a\u3044\u306e\u306f\u306a\u305c\uff1f"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u5bfe\u8c61: \u5168\u54e1\uff08\u4e00\u90e8\u3001\u4e0a\u7d1a\uff09]<\/p>\n<blockquote><p>404\u306eURL\u3092\u81ea\u7136\u306b\u524a\u9664\u3059\u308b\u306e\u306bGoogle\u306f\u3069\u3046\u3057\u3066\u305d\u3093\u306a\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u306e\u3067\u3059\u304b\uff1f<\/p><\/blockquote>\n<p>\u4e0a\u306e\u8cea\u554f\u306bGoogle\u306eMatt Cutts(\u30de\u30c3\u30c8\u30fb\u30ab\u30c3\u30c4)\u6c0f\u304c\u56de\u7b54\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"\/\/www.youtube.com\/embed\/H5UJVgO2v1E?rel=0\" frameborder=\"0\" allowfullscreen><\/iframe><\/p>\n<blockquote><p>\u7406\u8ad6\u7684\u306b\u306f\u3001404\u306f\u4e00\u6642\u7684\u306a\u3082\u306e\u3068\u3044\u3046\u3053\u3068\u304c\u3001\u3068\u3082\u3059\u308b\u3068\u3042\u308a\u3048\u308b\u3002\u30da\u30fc\u30b8\u304c\u306a\u304f\u306a\u3063\u305f\u3068\u3057\u3066\u3082\u5f8c\u3067\u623b\u3063\u3066\u304f\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n<p>\u3053\u306e\u30da\u30fc\u30b8\u306f\u5b8c\u5168\u306b\u306a\u304f\u306a\u3063\u3066\u3082\u3046\u7d76\u5bfe\u306b\u623b\u3063\u3066\u3053\u306a\u3044\u3068\u672c\u5f53\u306b\u30b7\u30b0\u30ca\u30eb\u3092\u9001\u308a\u305f\u3044\u306a\u3089\u3001\u6280\u8853\u7684\u306b\u306f410\u3068\u547c\u3070\u308c\u308bHTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u304c\u3042\u308b\u3002\u3060\u3051\u3069\u3001\u5c11\u306a\u304f\u3068\u30822007\u5e74\u306b\u6700\u5f8c\u306b\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3068\u304d\u306b\u306f\u50d5\u305f\u3061\u306f\u4e21\u65b9\u3068\u3082\u5b9f\u8cea\u7684\u306b\u540c\u3058\u3088\u3046\u306b\u6271\u3063\u3066\u3044\u305f\u3002<\/p>\n<p>\u3069\u3046\u3057\u3066\u305d\u3093\u306a\u6642\u9593\u304c\u304b\u304b\u308b\u304b\u3068\u3044\u3046\u672c\u984c\u306b\u623b\u308b\u3068\u3001\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u306f\u3061\u3087\u3063\u3068\u5909\u308f\u3063\u305f\u3053\u3068\u3092\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3093\u3060\u3002<\/p>\n<p>\u5893\u7a74\u3092\u6398\u308b\u306e\u3092\u3068\u304d\u3069\u304d\u898b\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u305f\u3068\u3048\u3070\uff08\u8aa4\u3063\u3066\uff09\u691c\u7d22\u7d50\u679c\u304b\u3089\u30b5\u30a4\u30c8\u3092\u5b8c\u5168\u306b\u524a\u9664\u3057\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u30b5\u30a4\u30c8\u3092\u505c\u6b62\u3059\u308b\u3068\u304d\u306b\u5f8c\u3067\u5fa9\u65e7\u3059\u308b\u3053\u3068\u3092\u793a\u3059503\u306e\u4ee3\u308f\u308a\u306b404\u3092\u8fd4\u3057\u3066\u3057\u307e\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3093\u3060\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u300c\u3053\u308c\u306f404\u3060\u300d\u3068\u3059\u3050\u306b\u8a8d\u8b58\u3057\u3066\u6c38\u4e45\u306b\u6d88\u3057\u3066\u3057\u307e\u3046\u3088\u308a\u306f\u3001\u3080\u3057\u308d\u3082\u3046\u5c11\u3057\u6642\u9593\u7684\u306a\u4f59\u88d5\u304c\u3042\u3063\u305f\u307b\u3046\u3060\u3044\u3044\u3060\u308d\u3046\u3002\u305d\u3046\u3059\u308c\u3070\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u304c\u9593\u9055\u3044\u3092\u72af\u3057\u3066\u3082\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u6d88\u3059\u524d\u306b\u6570\u56de\u30c1\u30a7\u30c3\u30af\u3057\u3066\u672c\u5f53\u306b\u306a\u304f\u306a\u3063\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3067\u304d\u308b\u3002<\/p>\n<p>\u305f\u3060\u3053\u308c\u306f\u3001\u3042\u3061\u3089\u3092\u7acb\u3066\u308c\u3070\u3053\u3061\u3089\u304c\u7acb\u305f\u305a\u3067\u3044\u3064\u3082\u6271\u3044\u306b\u304f\u3044\u554f\u984c\u306a\u3093\u3060\u3002<\/p>\n<p>\u3060\u304b\u3089\u50d5\u3089\u304c\u805e\u3044\u305f\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3084\u4e0d\u6e80\u3001\u3069\u3046\u3057\u305f\u3089\u30e6\u30fc\u30b6\u30fc\u3092\u6e80\u8db3\u3055\u305b\u3089\u308c\u308b\u304b\u3069\u3093\u306a\u3053\u3068\u3092\u30e6\u30fc\u30b6\u30fc\u306f\u5606\u3044\u3066\u3044\u308b\u306e\u304b\u3068\u3044\u3063\u305f\u3053\u3068\u306b\u57fa\u3065\u3044\u3066\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3088\u3046\u306b\u52aa\u3081\u3066\u3044\u308b\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u30da\u30fc\u30b8\u306e\u53d6\u5f97\u3092\u3042\u3068\u6570\u56de\u8a66\u307f\u3066\u304b\u3089\u672c\u5f53\u306b\u306a\u304f\u306a\u3063\u305f\u3053\u3068\u3092\u78ba\u8a3c\u3057\u3088\u3046\u3068\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3057\u3001\u4e00\u65b9\u3067\u4e00\u6642\u7684\u306a\u4e0d\u5177\u5408\u304c\u30b5\u30fc\u30d0\u30fc\u306b\u3042\u3063\u305f\u3068\u3057\u3066Google\u304c3\u5e74\u30824\u5e74\u3082\u30c1\u30a7\u30c3\u30af\u3057\u306b\u623b\u3063\u3066\u3053\u306a\u3044\u3068\u3057\u305f\u3089\u3072\u3069\u304f\u5acc\u3060\u308d\u3046\u3002<\/p>\n<p>\u3060\u304b\u3089\u3042\u308b\u7a2e\u3001\u91e3\u308a\u5408\u3044\u3092\u53d6\u308d\u3046\u3068\u3057\u3066\u3044\u308b\u3093\u3060\u3002<\/p>\n<p>\u3067\u3082\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u304f\u308c\u3066\u3042\u308a\u304c\u3068\u3046\u3002\u30af\u30ed\u30fc\u30eb\u30c1\u30fc\u30e0\u3068\u50d5\u306f\u3044\u3064\u3067\u3082\u8a71\u305b\u308b\u304b\u3089\u3001\u4eca\u306f410\u306e\u307b\u3046\u304c\uff08404\u3088\u308a\u3082\uff09\u901f\u304f\u4e8b\u3092\u51e6\u7406\u3057\u3066\u304f\u308c\u308b\u306e\u304b\u3001\u305d\u308c\u3068\u3082\u4eca\u3067\u3082\uff08404\u3068\uff09\u540c\u3058\u3088\u3046\u306b\u6271\u308f\u308c\u3066\u3044\u308b\u306e\u304b\u805e\u3044\u3066\u307f\u308b\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u304c\u30df\u30b9\u3057\u3066\u3057\u307e\u3063\u305f\u308a\u30b5\u30fc\u30d0\u30fc\u304c\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3067\u30c0\u30a6\u30f3\u3057\u3066\u3057\u307e\u3063\u305f\u308a\u30a6\u30a7\u30d6\u30db\u30b9\u30c8\u304c\u69cb\u6210\u3092\u4f55\u304b\u8aa4\u3063\u305f\u308a\u3057\u305f\u3068\u3057\u3066\u3082\u3001\u9577\u671f\u7684\u306a\u30c0\u30e1\u30fc\u30b8\u3092\u5f15\u304d\u8d77\u3053\u3055\u305a\u306b\u5fa9\u65e7\u3059\u308b\u9053\u304c\u6b8b\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306b\u3001\u5f53\u9762\u306e\u9593\u306f\u5b89\u5168\u57df\u3092\u7d44\u307f\u8fbc\u3080\u3064\u3082\u308a\u3060\u3002<\/p><\/blockquote>\n<p class=\"p60-t\">404\u306f\u3001HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9\u306e\u5b9a\u7fa9\u306b\u5f93\u3048\u3070\u3001\u300c\u524a\u9664\u300d\u3067\u306f\u306a\u304f\u300c\u898b\u3064\u304b\u3089\u306a\u304b\u3063\u305f\u300d\u3092\u610f\u5473\u3059\u308b\u306e\u3067\u5fc5\u305a\u3057\u3082\u610f\u56f3\u7684\u306b\u6d88\u3057\u305f\u3053\u3068\u3092\u793a\u3059\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u4e0d\u6ce8\u610f\u3084\u30c8\u30e9\u30d6\u30eb\u306a\u3069\u304c\u539f\u56e0\u3067\u3001\u610f\u56f3\u305b\u305a\u306b404\u3092\u8fd4\u3057\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u3048\u307e\u3059\u3002<\/p>\n<p>\u305d\u3093\u306a\u3068\u304d\u306e\u5bfe\u51e6\u7b56\u3068\u3057\u3066\u3001\u5373\u523b\u6d88\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u306f\u306a\u304f\u3057\u3070\u3089\u304f\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u6b8b\u3057\u3066\u304a\u3044\u3066\u5fa9\u6d3b\u3057\u3084\u3059\u3044\u3088\u3046\u306b\u3057\u3066\u304a\u304f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\u3002<\/p>\n<p class=\"p40-t\">\u30da\u30fc\u30b8\u3092\u524a\u9664\u3057\u305f\u3053\u3068\u3092\u793a\u3059\u3001<a href=\"\/\/www.suzukikenichi.com\/blog\/how-to-set-up-410-gone\/\">410HTTP\u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9<\/a>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Matt Cutts\u6c0f\u306b\u3088\u308c\u3070\u3001Google\u306f404\u3082410\u3082\u540c\u7b49\u306b\u6271\u3046\u3068\u306e\u3053\u3068\u3067\u3059\u3002<br \/>\n\u3064\u307e\u308a410\u3092\u8fd4\u3057\u305f\u3068\u3057\u3066\u3082\u3001404\u306e\u3088\u3046\u306b\u3059\u3050\u306b\u306f\u6d88\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u305f\u3060\u30012007\u5e74\u306e\u72b6\u6cc1\u306a\u306e\u3067\u4eca\u3082\u305d\u3046\u306a\u306e\u304b\u306f\u5206\u304b\u3089\u306a\u3044\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>2010\u5e74\u306e\u7c73\u56fd\u7248\u306e\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u5411\u3051\u516c\u5f0f\u30d8\u30eb\u30d7\u30d5\u30a9\u30fc\u30e9\u30e0\u306e<a href=\"http:\/\/www.google.com\/support\/forum\/p\/Webmasters\/thread?tid=1a81fe7ab3209841&#038;hl=en&#038;start=40\">\u30b9\u30ec\u30c3\u30c9<\/a>\u3067\u306f\u3001Google\u793e\u54e1\u306eJohn Mueller(\u30b8\u30e7\u30f3\u30fb\u30df\u30e5\u30fc\u30e9\u30fc)\u6c0f\u306f\u3001410\u306e\u307b\u3046\u304c404\u3088\u308a\u3082\u901f\u304f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u6d88\u6ec5\u3057\u3001404\u3088\u308a\u518d\u8a2a\u554f\u306e\u983b\u5ea6\u306f\u307b\u3093\u306e\u5c11\u3057\u3060\u3051\u4f4e\u304f\u306a\u308b\u3068\u767a\u8a00\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u6570\u30ab\u6708\u524d\u306b\u50d5\u304c\u30df\u30e5\u30fc\u30e9\u30fc\u6c0f\u3068Google+\u306e\u30cf\u30f3\u30b0\u30a2\u30a6\u30c8\u3067\u76f4\u63a5\u8a71\u3057\u305f\u6642\u306f\u3001404\u3068410\u3092\u307b\u3068\u3093\u3069\u540c\u3058\u304f\u6271\u3063\u3066\u3044\u308b\u3068\u8a00\u3063\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\n410\u306e\u307b\u3046\u304c\u518d\u8a2a\u554f\u306e\u983b\u5ea6\u304c\u4f4e\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3068\u306f\u8a00\u3063\u3066\u3044\u305f\u3082\u306e\u306e\u3001410\u306e\u307b\u3046\u304c\u901f\u304f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u6d88\u3048\u308b\u3068\u306f\u660e\u78ba\u306b\u306f\u8a00\u3063\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br 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