{"id":10321,"date":"2019-12-10T06:15:07","date_gmt":"2019-12-09T21:15:07","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=10321"},"modified":"2019-12-10T06:11:08","modified_gmt":"2019-12-09T21:11:08","slug":"ex-googler-explains-why-google-ignores-rel-canonical-for-syndication","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/ex-googler-explains-why-google-ignores-rel-canonical-for-syndication\/","title":{"rendered":"\u30b7\u30f3\u30b8\u30b1\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u306erel=canonical\u3092Google\u306f\u306a\u305c\u7121\u8996\u3059\u308b\u306e\u304b\uff1f \u5143Google\u793e\u54e1\u306e\u8aac\u660e\u306b\u3088\u308c\u3070\u2026\u2026"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n<p>\u8907\u6570\u306e\u30b5\u30a4\u30c8\u3067\u540c\u3058\u8a18\u4e8b\u3092\u540c\u6642\u306b\u914d\u4fe1\u3059\u308b\u3001\u3044\u308f\u3086\u308b\u30b7\u30f3\u30b8\u30b1\u30fc\u30b7\u30e7\u30f3 (syndication) \u3067\u306f\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u8a18\u4e8b\u3092 Google \u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3055\u305b\u308b\u305f\u3081\u306b\u306f <code>rel=\"canonical\"<\/code> \u306e\u69cb\u6210\u304c\u6700\u3082\u63a8\u5968\u3055\u308c\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<blockquote class=\"twitter-tweet\" data-conversation=\"none\">\n<p lang=\"en\" dir=\"ltr\">For syndication, using rel=canonical is the best approach (it doesn&#39;t guarantee only one version is shown though). For internationalization, use hreflang instead.<\/p>\n<p>&mdash; Google Webmasters (@googlewmc) <a href=\"https:\/\/twitter.com\/googlewmc\/status\/1201429862629740544?ref_src=twsrc%5Etfw\">December 2, 2019<\/a><\/p><\/blockquote>\n<p> <script defer src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>\u914d\u4fe1\u3055\u308c\u305f\u5074\u306e\u30b5\u30a4\u30c8\u306e\u8a18\u4e8b\u304b\u3089\u914d\u4fe1\u3057\u305f\u5074\u306e\u30b5\u30a4\u30c8\uff08\u3064\u307e\u308a\u30aa\u30ea\u30b8\u30ca\u30eb\u8a18\u4e8b\uff09\u3078\u5411\u3051\u3066 <code>rel=\"canonical\"<\/code> \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<br \/>\u3057\u304b\u3057\u306a\u304c\u3089\u3001<code>rel=\"canonical\"<\/code> \u306e\u6307\u5b9a\u306b Google \u304c\u5f93\u308f\u305a\u3001\u914d\u4fe1\u3057\u305f\u5074\u306e\u30b5\u30a4\u30c8\u3067\u306f\u306a\u304f\u914d\u4fe1\u3055\u308c\u305f\u5074\u306e\u30b5\u30a4\u30c8\u306e\u8a18\u4e8b\uff08\u3064\u307e\u308a\u8907\u88fd\u8a18\u4e8b\uff09\u3092\u691c\u7d22\u7d50\u679c\u306b\u6a19\u793a\u3059\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p class=\"p60-b\">\u3042\u308a\u304c\u3061\u306a\u7406\u7531\u3092\u5143 Google \u793e\u54e1\u304c\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>\u5143 Google \u793e\u54e1\u304c\u8aac\u660e\u3059\u308b\u30b7\u30f3\u30b8\u30b1\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u306e rel=&#8221;canonical&#8221; \u306b Google \u304c\u5f93\u308f\u306a\u3044 3 \u3064\u7406\u7531<\/h2>\n<p>\u30b7\u30f3\u30b8\u30b1\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\u3067 rel=&#8221;canonical&#8221; \u3092\u69cb\u6210\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a Google \u304c\u7121\u8996\u3059\u308b\u3053\u3068\u306b\u3064\u3044\u3066\u8a00\u53ca\u3057\u305f <a href=\"https:\/\/www.seroundtable.com\/google-ignoring-rel-canonical-28616.html#comment-4709363710\">Search Engine Roundtable \u306e\u8a18\u4e8b<\/a> \u3067\u3001\u5143 Google \u793e\u54e1\u306e <a href=\"https:\/\/twitter.com\/vanessafox\">Vanessa Fox<\/a>\uff08\u30f4\u30a1\u30cd\u30c3\u30b5\u30fb\u30d5\u30a9\u30c3\u30af\u30b9\uff09\u6c0f\u304c\u3088\u304f\u3042\u308b\u539f\u56e0\u3092<a href=\"https:\/\/www.seroundtable.com\/google-ignoring-rel-canonical-28616.html#comment-4709363710\">\u30b3\u30e1\u30f3\u30c8\u6b04\u306b\u66f8\u304d\u8fbc\u307f<\/a>\u307e\u3057\u305f\u3002<br \/>\u203b\u3061\u306a\u307f\u306b\u3001\u30f4\u30a1\u30cd\u30c3\u30b5\u3055\u3093\u306f <a href=\"https:\/\/www.suzukikenichi.com\/blog\/google-rebrands-google-webmaster-tools-as-google-search-console\/\">Search Console \u306e\u524d\u8eab\u3067\u3042\u308b Webmaster Tools <\/a>\u3092\u958b\u767a\u3057\u305f\u4eba<\/p>\n<p><strong>\u7406\u7531 1:<\/strong><br \/>\n\u30b7\u30f3\u30b8\u30b1\u30fc\u30b7\u30e7\u30f3\u8a18\u4e8b\uff08\u914d\u4fe1\u3055\u308c\u305f\u5074\u306e\u30da\u30fc\u30b8\uff09\u3092 Google \u304c\u6700\u521d\u306b\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u3002\u6700\u3082\u591a\u3044\u30b1\u30fc\u30b9\u3002\u6b63\u898f\u30da\u30fc\u30b8\uff08\u914d\u4fe1\u3057\u305f\u5074\u306e\u30da\u30fc\u30b8\uff09\u304c\u307e\u3060\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3055\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u6b63\u898f\u30d0\u30fc\u30b8\u30e7\u30f3\u306b Google \u304c\u7d71\u5408\u3067\u304d\u306a\u3044\u3002\u3053\u306e\u30b1\u30fc\u30b9\u306f\u305f\u3044\u3066\u3044\u306f\u6642\u9593\u3068\u3068\u3082\u306b\u89e3\u6d88\u3055\u308c\u308b\u3002\u304c\u3001\u6642\u9593\u304c\u304b\u304b\u308b\u3053\u3068\u3082\u3042\u308b\u3002<\/p>\n<p><strong>\u7406\u7531 2:<\/strong><br \/>\n<code>rel=\"canonical\"<\/code> \u306b\u6280\u8853\u7684\u306a\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u5834\u5408\u2015\u2015\u4f8b: robots.txt \u3067\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u308b\u3001\u30da\u30fc\u30b8\u304c noindex \u3055\u308c\u3066\u3044\u308b\u3001\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3055\u308c\u3066\u3044\u308b\u3001<code>rel=\"canonical\"<\/code> \u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3001\u69cb\u6587\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3001Google \u304c\u5b9f\u884c\u3067\u304d\u306a\u3044 JavaScript \u3067 <code>rel=\"canonical\"<\/code> \u304c\u751f\u6210\u3055\u308c\u3066\u3044\u308b<\/p>\n<p><strong>\u7406\u7531 3:<\/strong><br \/>\n\u914d\u4fe1\u3055\u308c\u305f\u5074\u306e\u8a18\u4e8b\u306b\u5927\u5e45\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p class=\"p60-t\">\u30b7\u30f3\u30b8\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5834\u5408\u306f\u3001\u5148\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3055\u305b\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<br \/><code>rel=\"canonical\"<\/code> \u3067\u30aa\u30ea\u30b8\u30ca\u30eb\u8a18\u4e8b\u306b\u6b63\u898f\u5316\u3057\u3066\u3044\u305f\u3068\u3057\u3066\u3082\u3001\u6b63\u898f\u30d0\u30fc\u30b8\u30e7\u30f3\u3092 Google \u304c\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u30aa\u30ea\u30b8\u30ca\u30eb\u3092\u8a8d\u8b58\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u30da\u30fc\u30b8\u516c\u958b\u5f8c\u306b\u3059\u307f\u3084\u304b\u306b\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3082\u3089\u3046\u305f\u3081\u306b\u3001\u30b5\u30a4\u30c8\u30de\u30c3\u30d7\u9001\u4fe1\u306f\u5fc5\u9808\u3067\u3059\u3002<br \/><a href=\"https:\/\/www.suzukikenichi.com\/blog\/does-google-still-support-pubsubhubbub-or-websub\/\">WebSub (PubSubHubbub)<\/a> \u3082\u5f79\u306b\u7acb\u3064\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\u53ef\u80fd\u3067\u3042\u308c\u3070\u3001\u914d\u4fe1\u3055\u308c\u308b\u5074\u306e\u516c\u958b\u3092\u5c11\u3057\u9045\u3089\u305b\u3066\u3082\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p class=\"p30-t\">\u6280\u8853\u7684\u306a\u30df\u30b9\u306f\u5f53\u7136\u3042\u3063\u3066\u306f\u306a\u3089\u306a\u3044\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u914d\u4fe1\u3055\u308c\u305f\u5074\u306b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u3066\u3001\u3082\u306f\u3084\u540c\u4e00\u8a18\u4e8b\u3068\u306f\u547c\u3079\u306a\u3044\u304f\u3089\u3044\u306e\u9055\u3044\u304c\u3042\u308b\u306a\u3089 rel=&#8221;canonical&#8221; \u306b Google \u304c\u5f93\u308f\u306a\u3044\u3053\u3068\u306f\u3042\u308a\u3048\u305d\u3046\u3067\u3059\u3002<br \/>\u88cf\u3092\u8fd4\u305b\u3070\u3001\u914d\u4fe1\u3055\u308c\u305f\u5074\u306e\u8a18\u4e8b\u3092\u691c\u7d22\u7d50\u679c\u306b\u51fa\u3057\u305f\u3044\u306a\u3089\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u305f\u3063\u3077\u308a\u8db3\u3059\u3068\u3044\u3046\u3053\u3068\u304c\u3067\u304d\u305d\u3046\u3067\u3059\uff08\u914d\u4fe1\u5074\u306e\u8a31\u53ef\u3092\u5f97\u3089\u308c\u308c\u3070\u306e\u8a71\u3067\u3059\u304c\uff09\u3002<\/p>\n<p class=\"p30-t\">\u3053\u3053\u3067\u6319\u3052\u305f 3 \u3064\u4ee5\u5916\u306e\u7406\u7531\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u304c\u3001\u307b\u304b\u306e\u30b5\u30a4\u30c8\u306b\u8a18\u4e8b\u914d\u4fe1\u3057\u3066\u3044\u3066\u308b\u5834\u5408\u306f\u53c2\u8003\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\u6ce8\u610f\u70b9\u306f\u3001<code>rel=\"canonical\"<\/code> \u306e\u4f7f\u7528\u304c\u5927\u524d\u63d0\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<br \/><code>rel=\"canonical\"<\/code> \u306a\u3057\u3067\u306f\u3001\u914d\u4fe1\u3057\u305f\u5074\u306e\u30b5\u30a4\u30c8\u306e\u8a18\u4e8b\u3067\u306f\u306a\u304f\u914d\u4fe1\u3055\u308c\u305f\u5074\u306e\u30b5\u30a4\u30c8\u306e\u8a18\u4e8b\u304c\u691c\u7d22\u7d50\u679c\u306b\u51fa\u3066\u304f\u308b\u78ba\u7387\u306f\u683c\u6bb5\u306b\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8907\u6570\u306e\u30b5\u30a4\u30c8\u3067\u540c\u3058\u8a18\u4e8b\u3092\u540c\u6642\u306b\u914d\u4fe1\u3059\u308b\u3001\u3044\u308f\u3086\u308b\u30b7\u30f3\u30b8\u30b1\u30fc\u30b7\u30e7\u30f3 (syndication) \u3067\u306f\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u8a18\u4e8b\u3092 Google \u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3055\u305b\u308b\u305f\u3081\u306b\u306f rel=canonical \u306e\u69cb\u6210\u304c\u6700\u3082\u63a8\u5968\u3055\u308c\u308b\u65b9\u6cd5\u3060\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001rel=\u201dcanonical\u201d \u306e\u6307\u5b9a\u306b Google \u304c\u5f93\u308f\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u3002\u3042\u308a\u304c\u3061\u306a\u7406\u7531\u3092\u5143 Google \u793e\u54e1\u304c\u8aac\u660e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[614],"class_list":["post-10321","post","type-post","status-publish","format-standard","category-google-seo","tag-rel-canonical"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/10321","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=10321"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/10321\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=10321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=10321"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=10321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}