{"id":10804,"date":"2020-08-28T06:45:42","date_gmt":"2020-08-27T21:45:42","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=10804"},"modified":"2020-08-31T06:30:36","modified_gmt":"2020-08-30T21:30:36","slug":"when-to-update-date-modified","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/when-to-update-date-modified\/","title":{"rendered":"\u8a18\u4e8b\u306e\u66f4\u65b0\u65e5\u6642\u306f\u3069\u3093\u306a\u3068\u304d\u306b\u66f4\u65b0\u3059\u3079\u304d\u304b\uff1f \u5c11\u3057\u306e\u5909\u66f4\u3067\u3082\u66f4\u65b0\u3057\u305f\u307b\u3046\u304c\u3044\u3044\u306e\u304b\uff1f"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u521d\u7d1a]<\/p>\n<p class=\"p60-b\">\u8a18\u4e8b\u306e\u66f4\u65b0\u65e5\u6642\u306f\u3069\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u66f4\u65b0\u3059\u308b\u306e\u304c\u9069\u5207\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<br \/>\u305f\u3068\u3048\u3070\u3001,\uff08\u30b3\u30f3\u30de\uff09\u3092 1 \u3064\u8ffd\u52a0\u3057\u305f\u3060\u3051\u3067\u3082\u66f4\u65b0\u3059\u3079\u304d\u306a\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<h2>\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u3068\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u3067\u7570\u306a\u308b<\/h2>\n<p>Google \u306eJohn Mueller\uff08\u30b8\u30e7\u30f3\u30fb\u30df\u30e5\u30fc\u30e9\u30fc\uff09\u6c0f\u306f\u3001\u539f\u5247\u7684\u306b\u3001\u6b21\u306e\u3088\u3046\u306a\u57fa\u6e96\u306b\u57fa\u3065\u304f\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u65e5\u6642: \u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5927\u5e45\u306b\u5909\u66f4\u3057\u305f\u3068\u304d\u306b\u66f4\u65b0\u3059\u308b<\/strong><\/li>\n<li><strong>\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u306e\u66f4\u65b0\u65e5\u6642: \u518d\u30af\u30ed\u30fc\u30eb\u304c\u5fc5\u8981\u306a\u5909\u66f4\u3067\u3042\u308c\u3070\u66f4\u65b0\u3059\u308b<\/strong><\/li>\n<\/ul>\n<blockquote class=\"twitter-tweet\" data-conversation=\"none\">\n<p lang=\"en\" dir=\"ltr\">(this thread has gotten better, but different :-))<br \/>For SD, I&#39;d use significant content updates (since that&#39;s shown &amp; would be misleading otherwise). For Sitemaps, any change that requires recrawling is fine to flag. I doubt you&#39;d notice a difference in SEO.<\/p>\n<p>&mdash; &#x1f34c; John &#x1f34c; (@JohnMu) <a href=\"https:\/\/twitter.com\/JohnMu\/status\/1299069359915233282?ref_src=twsrc%5Etfw\">August 27, 2020<\/a><\/p><\/blockquote>\n<p> <script defer src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u3068\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u3067\u306f\u3001\u57fa\u6e96\u304c\u7570\u306a\u3063\u3066\u304f\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u306d\uff08\u305d\u308c\u307b\u3069\u5927\u304d\u306a\u9055\u3044\u306f\u306a\u3044\u3088\u3046\u306b\u3082\u601d\u3044\u307e\u3059\u304c\uff09\u3002<\/p>\n<p>\u88dc\u8db3\u3067\u3059\u304c\u3001\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u3067\u306e\u66f4\u65b0\u65e5\u6642\u306f <code>dateModified<\/code> \u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<br \/>\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u3067\u306e\u66f4\u65b0\u65e5\u6642\u306f\u3001<code>&lt;lastmod&gt;<\/code> \u5024\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u30df\u30e5\u30fc\u30e9\u30fc\u6c0f\u306f\u89e6\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001<strong>\u30da\u30fc\u30b8\u4e0a\u306b\u8868\u793a\u3059\u308b\u66f4\u65b0\u65e5\u6642\u3082\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u5927\u5e45\u306b\u5909\u66f4\u3057\u305f\u3068\u304d\u306b\u66f4\u65b0<\/strong>\u3059\u308b\u306e\u304c\u9069\u5207\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u306b\u3057\u3066\u3082\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u306b\u3057\u3066\u3082\u3001,\uff08\u30b3\u30f3\u30de\uff09\u3092 1 \u3064\u8ffd\u52a0\u3057\u305f\u304f\u3089\u3044\u306e\u3055\u3055\u3044\u306a\u5909\u66f4\u3067\u306f\u66f4\u65b0\u65e5\u6642\u3092\u66f4\u65b0\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u306d\u3002<\/p>\n<p class=\"p30-t p40-b\">\u3061\u306a\u307f\u306b\u30df\u30e5\u30fc\u30e9\u30fc\u6c0f\u306e\u30a2\u30c9\u30d0\u30a4\u30b9\u306f\u3001\u8efd\u5fae\u306a\u5909\u66f4\u3092\u30b5\u30a4\u30c8\u5168\u4f53\u306b\u5b9f\u884c\u3057\u305f\u3089\u3059\u3079\u3066\u306e\u8a18\u4e8b\u306e\u66f4\u65b0\u65e5\u6642\uff08\u304a\u305d\u3089\u304f\u30da\u30fc\u30b8\u306b\u8868\u793a\u3057\u3066\u3044\u308b\u66f4\u65b0\u65e5\u6642\uff09\u304c\u66f4\u65b0\u3055\u308c\u3066\u3057\u307e\u3044\u3001\u3053\u308c\u306f\u30b9\u30d1\u30e0\u3068\u3057\u3066\u898b\u3089\u308c\u3066\u3057\u307e\u308f\u306a\u3044\u304b\u3068\u3044\u3046<a href=\"https:\/\/twitter.com\/lilyraynyc\/status\/1299045156629417984\">\u8cea\u554f<\/a>\u306b\u5bfe\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2>CMS \u3060\u3068\u6709\u7121\u3092\u8a00\u308f\u3055\u305a\u66f4\u65b0\u3055\u308c\u3066\u3057\u307e\u3046<\/h2>\n<p>\u30df\u30e5\u30fc\u30e9\u30fc\u6c0f\u306e\u63a8\u5968\u306f\u7d0d\u5f97\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<p>\u3068\u3053\u308d\u304c\u3001CMS \u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3068\u5927\u62b5\u306e\u5834\u5408\u306f\u3001\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u3068\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\uff08\u3068\u3001\u30da\u30fc\u30b8\u306b\u8a18\u8ff0\u3057\u3066\u3044\u308c\u3070\u30da\u30fc\u30b8\u4e0a\u306e\u66f4\u65b0\u65e5\u6642\uff09\u306f\u9023\u52d5\u3057\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002<br \/>1 \u3064\u3092\u66f4\u65b0\u3057\u3066\u3001\u3082\u3046 1 \u3064\u306f\u66f4\u65b0\u3057\u306a\u3044\u3068\u3044\u3046\u306e\u306f\u3001\u305d\u3046\u3044\u3046\u69cb\u6210\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u3061\u3087\u3063\u3068\u3057\u305f\u5909\u66f4\u3067\u3082\u66f4\u65b0\u65e5\u6642\u3092\u5909\u3048\u3066\u3057\u307e\u3063\u305f\u304b\u3089\u3068\u3044\u3063\u3066\u305d\u308c\u3060\u3051\u3067 Google \u306b\u30b9\u30d1\u30e0\u6271\u3044\u3055\u308c\u308b\u3068\u306f\u601d\u3048\u307e\u305b\u3093\u3002<br \/>\u305d\u308c\u3067\u3082\u3001\u9069\u5207\u304b\u3068\u554f\u308f\u308c\u308c\u3070\u9069\u5207\u3067\u306f\u306a\u3044\u3088\u3046\u306b\u601d\u3048\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u306e <code>&lt;lastmod&gt;<\/code> \u306b\u95a2\u3057\u3066\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\u4e0d\u6b63\u78ba\u306a\u5024\u3092\u983b\u7e41\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308b\u3068\u3001\u4fe1\u7528\u3067\u304d\u306a\u3044\u3068\u3057\u3066 <a href=\"https:\/\/support.google.com\/webmasters\/answer\/183668?hl=ja#:~:text=Google%20%E3%81%A7%E3%81%AF%20%3Clastmod%3E%20%E5%80%A4%E3%82%92%E8%AA%AD%E3%81%BF%E5%8F%96%E3%82%8A%E3%81%BE%E3%81%99%E3%81%8C%E3%80%81%E3%81%93%E3%81%AE%E5%80%A4%E3%81%8C%E4%B8%8D%E6%AD%A3%E7%A2%BA%E3%81%A0%E3%81%A3%E3%81%9F%E5%A0%B4%E5%90%88%E3%80%81%E8%AA%AD%E3%81%BF%E5%8F%96%E3%82%8A%E3%82%92%E5%81%9C%E6%AD%A2%E3%81%97%E3%81%BE%E3%81%99\">Google \u304c\u8aad\u307f\u53d6\u308a\u3092\u505c\u6b62\u3059\u308b<\/a>\u3053\u3068\u304c\u3042\u308a\u3048\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8a18\u4e8b\u306e\u66f4\u65b0\u65e5\u6642\u306f\u3069\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u66f4\u65b0\u3059\u308b\u306e\u304c\u9069\u5207\u306a\u306e\u304b\uff1f \u305f\u3068\u3048\u3070\u3001,\uff08\u30b3\u30f3\u30de\uff09\u3092 1 \u3064\u8ffd\u52a0\u3057\u305f\u3060\u3051\u3067\u3082\u66f4\u65b0\u3059\u3079\u304d\u304b\uff1f<\/p>\n","protected":false},"author":1,"featured_media":10805,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,1180],"tags":[26,1076,1495],"class_list":["post-10804","post","type-post","status-publish","format-standard","has-post-thumbnail","category-google-seo","category-semantic-search","tag-sitemap","tag-structured-data","tag-date"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/10804","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=10804"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/10804\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media\/10805"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=10804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=10804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=10804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}