{"id":16405,"date":"2026-08-05T07:10:38","date_gmt":"2026-08-04T22:10:38","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=16405"},"modified":"2026-08-05T07:07:07","modified_gmt":"2026-08-04T22:07:07","slug":"is-it-safe-to-automatically-extend-unavailable_after-googles-take","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/is-it-safe-to-automatically-extend-unavailable_after-googles-take\/","title":{"rendered":"unavailable_after\u3092\u672a\u6765\u306e\u65e5\u4ed8\u306b\u81ea\u52d5\u66f4\u65b0\u3057\u3066\u3082\u5927\u4e08\u592b\uff1f Google\u306e\u898b\u89e3"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n<p>\u672a\u6765\u306e\u65e5\u4ed8\u306b <a href=\"https:\/\/developers.google.com\/search\/docs\/crawling-indexing\/robots-meta-tag#:~:text=in%20search%20results.-,unavailable_after,-%3A%20%5Bdate\/\"><code>unavailable_after<\/code> \u30bf\u30b0<\/a>\u3092\u81ea\u52d5\u7684\u306b\u5909\u66f4\u3057\u7d9a\u3051\u3066\u3082 Google \u306f\u6b63\u5e38\u306b\u51e6\u7406\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p class=\"p60-b\"><code>unavailable_after<\/code> \u306f\u3001\u6307\u5b9a\u3057\u305f\u65e5\u6642\u4ee5\u964d\u306b\u305d\u306e\u30da\u30fc\u30b8\u3092\u691c\u7d22\u7d50\u679c\u306b\u8868\u793a\u3057\u306a\u3044\u3088\u3046\u306b\u6307\u793a\u3059\u308b <code>meta<\/code> \u30bf\u30b0\u3067\u3059\u3002<\/p>\n<h2>\u672a\u6765\u306e\u65e5\u4ed8\u306b unavailable_after \u3092\u81ea\u52d5\u66f4\u65b0\u3057\u305f\u3044<\/h2>\n<p>\u6b21\u306e\u3088\u3046\u306a\u8da3\u65e8\u306e\u8cea\u554f\u304c <a href=\"https:\/\/www.linkedin.com\/posts\/javierlorente_seo-google-activity-7487492111345369088-Nk-V\/\">LinkedIn \u306b\u6295\u7a3f<\/a>\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<blockquote><p>\n\u30af\u30e9\u30b7\u30d5\u30a1\u30a4\u30c9 \u30b5\u30a4\u30c8\uff08\u6c42\u4eba\u30fb\u4e0d\u52d5\u7523\u30fb\u4e2d\u53e4\u54c1\u58f2\u8cb7\u306a\u3069\u3092\u7d39\u4ecb\u3059\u308b\u30b5\u30a4\u30c8\uff09\u306e SEO \u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u3092\u62c5\u5f53\u3057\u3066\u3044\u308b\u3002<br \/>\u3053\u306e\u30b5\u30a4\u30c8\u3067\u306f\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5165\u308c\u66ff\u308f\u308a\u304c\u975e\u5e38\u306b\u6fc0\u3057\u3044\u3002<\/p>\n<ul>\n<li><strong>\u30b5\u30a4\u30c8\u306e\u72b6\u6cc1\uff1a<\/strong>\u5e38\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3055\u308c\u3066\u3044\u308bURL\u306e\u30d9\u30fc\u30b9\u306f\u7d04 5,000 \u4ef6\u3002\u6bce\u6708\u7d04 10,000 \u4ef6\u306e\u65b0\u3057\u3044\u6c42\u4eba\u30fb\u51fa\u54c1\u60c5\u5831\u304c\u751f\u6210\u3055\u308c\u308b\u304c\u3001\u5404\u30da\u30fc\u30b8\u306e\u5bff\u547d\u306f 24 \u301c 72 \u6642\u9593\u3068\u975e\u5e38\u306b\u77ed\u3044\u3002<\/li>\n<li><strong>\u8ab2\u984c\uff1a<\/strong>404\u30a8\u30e9\u30fc\u306e\u5927\u91cf\u767a\u751f\u3092\u9632\u304e\u3001\u30af\u30ed\u30fc\u30eb\u30d0\u30b8\u30a7\u30c3\u30c8\u3092\u9069\u5207\u306b\u7ba1\u7406\u3059\u308b\u305f\u3081\u3001\u77ed\u5bff\u547d\u306e\u30da\u30fc\u30b8\u3059\u3079\u3066\u306b <code>unavailable_after meta<\/code> \u30bf\u30b0\u3092\u5b9f\u88c5\u3057\u305f\u3044\u3068\u8003\u3048\u3066\u3044\u308b\u3002<\/li>\n<li><strong>\u61f8\u5ff5\uff1a<\/strong>\u30e6\u30fc\u30b6\u30fc\u304c\u63b2\u8f09\u671f\u9650\u3092\u5ef6\u9577\uff08\u66f4\u65b0\uff09\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u52d5\u7684\u306b <code>unavailable_after<\/code> \u306e\u65e5\u4ed8\u3092\u672a\u6765\u3078\u66f4\u65b0\u3057\u7d9a\u3051\u308b\u4ed5\u69d8\u306b\u306a\u308b\u3002<\/li>\n<\/ul>\n<p class=\"p30-t\"><strong>\u3010Google \u691c\u7d22\u30c1\u30fc\u30e0\u3078\u306e\u8cea\u554f\u3011<\/strong><\/p>\n<ul>\n<li>\u540c\u4e00URL\u3067 <code>unavailable_after<\/code> \u306e\u65e5\u4ed8\u304c\u4f55\u5ea6\u3082\u5148\u9001\u308a\u306b\u5909\u66f4\u3055\u308c\u305f\u5834\u5408\u3001\u691c\u7d22\u9806\u4f4d\u3084\u30b5\u30a4\u30c8\u8a55\u4fa1\u3078\u306e\u60aa\u5f71\u97ff\u306b\u3064\u306a\u304c\u308b\u5fc3\u914d\u306f\u306a\u3044\u304b\uff1f<\/li>\n<li>\u30bf\u30b0\u306e\u65e5\u4ed8\u304c\u983b\u7e41\u306b\u5909\u308f\u308b\u3053\u3068\u3067\u3001Googlebot \u304c\u6700\u7d42\u7684\u306b\u3053\u306e\u30bf\u30b0\u3092\u7121\u8996\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3057\u307e\u308f\u306a\u3044\u304b\uff1f<\/li>\n<li>\u3053\u306e\u3088\u3046\u306b\u9ad8\u983b\u5ea6\u3067\u5909\u66f4\u304c\u767a\u751f\u3059\u308b\u74b0\u5883\u3067\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406\u3068\u3057\u3066\u30bf\u30b0\u3092\u52d5\u7684\u306b\u5229\u7528\u3059\u308b\u3053\u3068\u306f\u554f\u984c\u306a\u3044\u304b\uff1f<\/li>\n<\/ul>\n<\/blockquote>\n<p class=\"p30-t\">\u691c\u7d22\u30c1\u30fc\u30e0\u306e Gary Illyes\uff08\u30b2\u30a4\u30ea\u30fc\u30fb\u30a4\u30ea\u30a7\u30fc\u30b7\u30e5\uff09\u6c0f\u306f<a href=\"https:\/\/www.linkedin.com\/feed\/update\/urn:li:activity:7487492111345369088?commentUrn=urn%3Ali%3Acomment%3A%28activity%3A7487492111345369088%2C7487577008030543872%29&#038;dashCommentUrn=urn%3Ali%3Afsd_comment%3A%287487577008030543872%2Curn%3Ali%3Aactivity%3A7487492111345369088%29\">\u3053\u3046\u56de\u7b54<\/a>\u3057\u307e\u3057\u305f\u3002<\/p>\n<div class=\"p40-b\">\n<blockquote><p>\u3044\u3044\u8cea\u554f\u3060\u2026\u2026\u3002\u6b63\u76f4\u5206\u304b\u3089\u306a\u3044\u306e\u3067\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n<p>\u76f4\u611f\u7684\u306b\u306f\u3001<code>unavailable_after<\/code> \u306e\u65e5\u4ed8\u3092\u5148\u9001\u308a\u3059\u308b\u3053\u3068\u81ea\u4f53\u306f\u554f\u984c\u306a\u3044\u306f\u305a\u3060\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u65b0\u3057\u3044\u65e5\u4ed8\u3092 Google \u304c\u8a8d\u8b58\u3059\u308b\u306b\u306f\u3001\u30da\u30fc\u30b8\u3092\u518d\u5ea6\u30af\u30ed\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u3044\u3046\u70b9\u306f\u62bc\u3055\u3048\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308b\u3002<code>unavailable_after <\/code>\u306e\u65e5\u4ed8\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u9078\u629e\u4ee5\u5916\u306b\u306f\u5f71\u97ff\u305b\u305a\u3001\u300c\u3053\u306e\u30da\u30fc\u30b8\u306f\u3082\u3046\u524a\u9664\u3057\u3066\u3044\u3044\u300d\u3068\u3044\u3046\u30b7\u30b0\u30ca\u30eb\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b\u3060\u3051\u3060\u3002<\/p><\/blockquote>\n<\/div>\n<h2>unavailable_after \u306f\u7d14\u7c8b\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u9078\u629e\u30b7\u30b0\u30ca\u30eb<\/h2>\n<p><code>unavailable_after<\/code> \u306e\u65e5\u4ed8\u3092\u5148\u3078\u5ef6\u3070\u3057\u305f\u5834\u5408\u3001\u305f\u3068\u3048\u305d\u308c\u304c\u983b\u7e41\u3067\u3042\u3063\u3066\u3082\u3001\u30e9\u30f3\u30ad\u30f3\u30b0\u3078\u306e\u60aa\u5f71\u97ff\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<br \/>\u3053\u306e\u30bf\u30b0\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u9078\u629e\u306e\u30b7\u30b0\u30ca\u30eb\u3068\u3057\u3066\u7d14\u7c8b\u306b\u6a5f\u80fd\u3057\u3001\u300c\u3053\u306e\u6642\u70b9\u3067\u524a\u9664\u3057\u3066\u3088\u3044\u300d\u3068\u3044\u3046\u4e88\u7d04\u6307\u793a\u3092\u4e0e\u3048\u308b\u5f79\u5272\u3092\u679c\u305f\u3059\u3060\u3051\u3060\u304b\u3089\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u66f4\u65b0\u5f8c\u306e\u30bf\u30b0\u3092 Googlebot \u304c\u8aad\u307f\u53d6\u308b\u306b\u306f\u3001\u305d\u306e\u30da\u30fc\u30b8\u3092\u518d\u5ea6\u30af\u30ed\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\u671f\u9650\u5207\u308c\u306e\u76f4\u524d\u306b\u65e5\u4ed8\u3092\u5ef6\u9577\u3057\u3066\u3082\u3001\u305d\u306e URL \u306b\u5bfe\u3059\u308b Googlebot \u306e\u30af\u30ed\u30fc\u30eb\u983b\u5ea6\u304c\u4f4e\u3051\u308c\u3070\u3001\u66f4\u65b0\u3092\u8a8d\u8b58\u3067\u304d\u305a\u3001\u5f53\u521d\u6307\u5b9a\u3055\u308c\u3066\u3044\u305f\u65e5\u4ed8\u3092\u8fce\u3048\u308b\u3068 URL \u304c\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304b\u3089\u524a\u9664\u3055\u308c\u307e\u3059\u3002<br \/>\u3053\u306e\u70b9\u306f\u7559\u610f\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p class=\"p30-t\">\u307e\u305f\u3001<code>unavailable_after<\/code> \u306f <code>meta<\/code> \u30bf\u30b0\u4ee5\u5916\u306b\u3082\u3001<a href=\"https:\/\/developers.google.com\/search\/docs\/crawling-indexing\/robots-meta-tag#xrobotstag\">HTTP \u30d8\u30c3\u30c0\u30fc\u3068\u3057\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/a>\u3067\u3059\u3002<\/p>\n<p>\u3057\u304b\u3057\u306a\u304c\u3089\u3001Google \u304c\u66f4\u65b0\u3055\u308c\u305f\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b HEAD \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u305d\u306e\u305f\u3081\u3001\u5909\u66f4\u5f8c\u306e\u65e5\u4ed8\u3092\u8a8d\u8b58\u3055\u305b\u308b\u306b\u306f\u3001\u901a\u5e38\u3069\u304a\u308a\u30da\u30fc\u30b8\u5168\u4f53\u3092\u53d6\u5f97\u3057\u3066\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u3001\u30a4\u30ea\u30a7\u30fc\u30b7\u30e5\u306f\u88dc\u8db3\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p30-t\">\u306a\u304a\u3001\u5143 Google Search Quality \u30c1\u30fc\u30e0\u30e1\u30f3\u30d0\u30fc\u306e Pedro Dias\uff08\u30da\u30c9\u30ed\u30fb\u30c7\u30a3\u30a2\u30b9\uff09\u6c0f\u306f\u3001\u66f4\u65b0\u3092\u5341\u5206\u65e9\u3044\u6bb5\u968e\u3067\u53cd\u6620\u3055\u305b\u308b\u9650\u308a\u3001<code>unavailable_after<\/code> \u306e\u52d5\u7684\u306a\u5ef6\u9577\u306f\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u898f\u6a21\u3067\u3082\u52b9\u679c\u7684\u306b\u6a5f\u80fd\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u3044\u308b\u3001\u3068<a href=\"https:\/\/www.linkedin.com\/feed\/update\/urn:li:activity:7487492111345369088?commentUrn=urn%3Ali%3Acomment%3A%28activity%3A7487492111345369088%2C7488223064955179008%29&#038;dashCommentUrn=urn%3Ali%3Afsd_comment%3A%287488223064955179008%2Curn%3Ali%3Aactivity%3A7487492111345369088%29\">\u30b3\u30e1\u30f3\u30c8<\/a>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p60-t\">\u25c7 \u25c7 \u25c7<\/p>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u306f\u3001<code>unavailable_after<\/code> \u3092\u5c06\u6765\u306e\u65e5\u4ed8\u306b\u983b\u7e41\u306b\u66f4\u65b0\u3057\u3066\u3082\u3001\u30b5\u30a4\u30c8\u3084\u30da\u30fc\u30b8\u306e\u8a55\u4fa1\u306b\u60aa\u3044\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u5341\u5206\u306a\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u3092\u78ba\u4fdd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\u4ee5\u524d\u306e\u6709\u52b9\u671f\u9650\u3092\u8fce\u3048\u308b\u524d\u306b Googlebot \u306b\u66f4\u65b0\u3092\u8a8d\u8b58\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u306e <code>lastmod<\/code> \u3084\u3001\u6c42\u4eba\u30b5\u30a4\u30c8\u3067\u3042\u308c\u3070 <a href=\"https:\/\/developers.google.com\/search\/apis\/indexing-api\/v3\/quickstart\">Indexing API<\/a> \u304c\u624b\u52a9\u3051\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002\uff08Search Console \u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u9001\u4fe1\u30ea\u30af\u30a8\u30b9\u30c8\u306f\u3001\u81ea\u52d5\u5316\u3067\u304d\u306a\u3044\u3057\u5236\u9650\u304c\u3042\u308b\u306e\u3067\u3001\u4eca\u56de\u306e\u3088\u3046\u306b\u5bfe\u8c61\u30da\u30fc\u30b8\u6570\u304c\u591a\u3044\u30b1\u30fc\u30b9\u3067\u306f\u73fe\u5b9f\u7684\u3067\u306f\u306a\u3044\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672a\u6765\u306e\u65e5\u4ed8\u306b unavailable_after \u30bf\u30b0\u3092\u81ea\u52d5\u7684\u306b\u5909\u66f4\u3057\u7d9a\u3051\u3066\u3082 Google \u306f\u6b63\u5e38\u306b\u51e6\u7406\u3057\u3066\u304f\u308c\u308b\u306e\u3060\u308d\u3046\u304b\uff1f<\/p>\n","protected":false},"author":1,"featured_media":16406,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[72],"class_list":["post-16405","post","type-post","status-publish","format-standard","has-post-thumbnail","category-google-seo","tag-unavailable_after"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/16405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/comments?post=16405"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/16405\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media\/16406"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=16405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=16405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=16405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}