{"id":15676,"date":"2025-12-17T07:00:21","date_gmt":"2025-12-16T22:00:21","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=15676"},"modified":"2025-12-17T06:51:34","modified_gmt":"2025-12-16T21:51:34","slug":"google-clarified-how-googlebot-handles-noindex-tags-on-pages-that-use-javascript","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/google-clarified-how-googlebot-handles-noindex-tags-on-pages-that-use-javascript\/","title":{"rendered":"Google\u3001JavaScript SEO\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067noindex\u306b\u95a2\u3059\u308b\u8aac\u660e\u3092\u66f4\u65b0"},"content":{"rendered":"<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n<p class=\"p60-b\">Google \u306f\u3001<a href=\"https:\/\/developers.google.com\/search\/docs\/crawling-indexing\/javascript\/javascript-seo-basics\">JavaScript SEO \u306e\u57fa\u672c\u3092\u89e3\u8aac\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u5185\u3067 <code>noindex robots meta<\/code> \u30bf\u30b0\u306e\u51e6\u7406\u306b\u95a2\u3059\u308b<a href=\"https:\/\/developers.google.com\/search\/docs\/crawling-indexing\/javascript\/javascript-seo-basics#use-meta-robots-tags-carefully\">\u30bb\u30af\u30b7\u30e7\u30f3<\/a>\u3092\u66f4\u65b0\u3057\u307e\u3057\u305f\u3002<\/p>\n<h2>\u65ad\u8a00\u3092\u53ef\u80fd\u6027\u306b\u4fee\u6b63<\/h2>\n<p>\u3053\u3061\u3089\u306f\u66f4\u65b0\u524d\u306e\u8a18\u8ff0\u3067\u3059\u3002<\/p>\n<blockquote><p>When Google encounters noindex in the robots meta tag before running JavaScript, it doesn&#8217;t render or index the page.<\/p>\n<p>If Google encounters the <code>noindex<\/code> tag, it skips rendering and JavaScript execution. Because Google skips your JavaScript in this case, there is no chance to remove the tag from the page.<br \/>\nUsing JavaScript to change or remove the robots <code>meta<\/code> tag might not work as expected. Google skips rendering and JavaScript execution if the robots <code>meta<\/code> tag initially contains <code>noindex<\/code>. If there is a possibility that you do want the page indexed, don&#8217;t use a noindex tag in the original page code.<\/p><\/blockquote>\n<blockquote><p>Google \u306f\u3001JavaScript \u5b9f\u884c\u524d\u306b robots <code>meta<\/code> \u30bf\u30b0\u5185\u3067 <code>noindex<\/code> \u3092\u898b\u3064\u3051\u305f\u5834\u5408\u3001\u30da\u30fc\u30b8\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u767b\u9332\u3092\u884c\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>noindex \u30bf\u30b0\u304c\u691c\u51fa\u3055\u308c\u305f\u5834\u5408\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068 JavaScript \u306e\u5b9f\u884c\u306f\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001JavaScript \u304c\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u308b\u305f\u3081\u3001\u30da\u30fc\u30b8\u304b\u3089\u30bf\u30b0\u304c\u524a\u9664\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\nJavaScript \u3092\u4f7f\u7528\u3057\u3066 robots <code>meta<\/code> \u30bf\u30b0\u3092\u5909\u66f4\u307e\u305f\u306f\u524a\u9664\u3057\u3066\u3082\u3001\u671f\u5f85\u3069\u304a\u308a\u306b\u52d5\u4f5c\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002robots <code>meta<\/code> \u30bf\u30b0\u306e\u5148\u982d\u306b <code>noindex<\/code> \u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3068\u3001Google \u306f\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068 JavaScript \u306e\u5b9f\u884c\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u307e\u3059\u3002\u30da\u30fc\u30b8\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u767b\u9332\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u5143\u306e\u30da\u30fc\u30b8\u30b3\u30fc\u30c9\u3067 <code>noindex<\/code> \u30bf\u30b0\u3092\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p><\/blockquote>\n<p class=\"p30-t\">\u66f4\u65b0\u5f8c\u306e\u8a18\u8ff0\u3067\u3059\u3002<\/p>\n<blockquote><p>When Google encounters the <code>noindex<\/code> tag, it may skip rendering and JavaScript execution, which means using JavaScript to change or remove the robots meta tag from <code>noindex<\/code> may not work as expected. If you do want the page indexed, don&#8217;t use a <code>noindex<\/code> tag in the original page code.<\/p><\/blockquote>\n<blockquote><p>Google \u304c <code>noindex<\/code> \u30bf\u30b0\u3092\u691c\u51fa\u3059\u308b\u3068\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3084 JavaScript \u306e\u5b9f\u884c\u3092\u30b9\u30ad\u30c3\u30d7\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001JavaScript \u3092\u4f7f\u3063\u3066 robots <code>meta<\/code> \u30bf\u30b0\u3092 <code>noindex<\/code> \u304b\u3089\u5909\u66f4\u307e\u305f\u306f\u524a\u9664\u3057\u3088\u3046\u3068\u3057\u3066\u3082\u3001\u671f\u5f85\u3069\u304a\u308a\u306b\u52d5\u4f5c\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30da\u30fc\u30b8\u3092\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u3001\u5143\u306e\u30da\u30fc\u30b8\u30b3\u30fc\u30c9\u306b <code>noindex<\/code> \u30bf\u30b0\u3092\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p><\/blockquote>\n<div class=\"small\">\u203b\u3053\u306e\u8a18\u4e8b\u3092\u66f8\u3044\u3066\u3044\u308b\u6642\u70b9\u3067\u306f\u65e5\u672c\u8a9e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f\u672a\u66f4\u65b0\u306e\u305f\u3081\u3001\u7ffb\u8a33\u306f\u50d5\u306b\u3088\u308b<\/div>\n<p class=\"p30-t\">\u6587\u91cf\u304c\u77ed\u304f\u306a\u3063\u305f\u3053\u3068\u306b\u306f\u3059\u3050\u306b\u6c17\u4ed8\u304f\u3068\u3057\u3066\u3001\u5185\u5bb9\u306b\u95a2\u3057\u3066\u306f\u4f55\u304c\u5909\u308f\u3063\u305f\u306e\u304b\u306f\u308f\u304b\u308b\u3088\u3046\u3067\u308f\u304b\u3089\u306a\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u7aef\u7684\u306b\u3044\u3048\u3070\u3001\u65ad\u5b9a\u304b\u3089\u53ef\u80fd\u6027\u306b\u8868\u73fe\u304c\u5909\u308f\u308a\u307e\u3057\u305f\u3002<\/p>\n<ul>\n<li><strong>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u52d5\u4f5c\uff1a<\/strong>&#8220;skips rendering&#8221; (\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30b9\u30ad\u30c3\u30d7\u3059\u308b)<br \/>\u2192 &#8220;may skip rendering&#8221;\uff08\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u30b9\u30ad\u30c3\u30d7\u5834\u5408\u304c\u3042\u308a\u307e\u3059\uff09<\/li>\n<li class=\"p20-b p20-t\"><strong>JS \u5b9f\u884c\uff1a<\/strong>&#8220;skips&#8230; JavaScript execution&#8221; (JavaScript \u306e\u5b9f\u884c\u3092\u30b9\u30ad\u30c3\u30d7\u3057\u307e\u3059)<br \/>\u2192 &#8220;may skip&#8230; JavaScript execution&#8221; (JavaScript \u306e\u5b9f\u884c\u3092\u30b9\u30ad\u30c3\u30d7\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059)<\/li>\n<li><strong>JS \u3067 <code>noindex<\/code> \u524a\u9664\u3057\u305f\u3068\u304d\uff1a<\/strong>&#8220;no chance to remove&#8221; (\u524a\u9664\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093)<br \/>\u2192 &#8220;may not work as expected&#8221; (\u671f\u5f85\u3069\u304a\u308a\u306b\u52d5\u4f5c\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059)<\/li>\n<\/ul>\n<p>\u4ee5\u524d\u306f\u8a00\u3044\u5207\u3063\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u73fe\u5728\u306f\u53ef\u80fd\u6027\u3092\u793a\u3059\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p class=\"p30-t\">\u5b9f\u969b\u306b\u3001<code>noindex<\/code> \u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u30da\u30fc\u30b8\u3067\u3082 JavaScript \u304c\u5b9f\u884c\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092<a href=\"https:\/\/webtan.impress.co.jp\/e\/2025\/07\/11\/49692\/page\/1#item04\">\u691c\u8a3c\u3067\u78ba\u304b\u3081\u305f\u30b1\u30fc\u30b9<\/a>\u3082\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p40-b\">\u4e8b\u5b9f\u306b\u5373\u3057\u305f\u8aac\u660e\u306b\u306a\u3063\u305f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2>\u63a8\u5968\u306f\u5909\u308f\u3089\u305a<\/h2>\n<p>\u65ad\u8a00\u304c\u53ef\u80fd\u6027\u306b\u4fee\u6b63\u3055\u308c\u306f\u3057\u305f\u3082\u306e\u306e\u3001\u63a8\u5968\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n<p><strong><mark>JavaScript \u306b\u3088\u308b <code>noindex<\/code> \u306e\u64cd\u4f5c\u306f\u975e\u63a8\u5968<\/mark><\/strong>\u3067\u3059\u3002<\/p>\n<p>\u51e6\u7406\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u306f\u3044\u3048\u3001\u78ba\u5b9f\u6027\u306b\u6b20\u3051\u307e\u3059\u3002<br \/>\u3046\u307e\u304f\u3044\u304f\u304b\u3082\u3057\u308c\u306a\u3044\u3057\u3001\u3044\u304b\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\u3069\u3046\u3044\u3063\u305f\u6761\u4ef6\u306a\u3089\u671f\u5f85\u3069\u304a\u308a\u306b\u51e6\u7406\u3055\u308c\u308b\u304b\u3055\u308c\u306a\u3044\u304b\u304c\u5177\u4f53\u7684\u306b\u308f\u304b\u3089\u306a\u3044\u72b6\u6cc1\u3067\u306f\u904b\u4efb\u305b\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p><code>noindex<\/code> \u306f Google \u30b5\u30a4\u30c9\u3067\u51e6\u7406\u3055\u305b\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30a6\u30a7\u30d6\u30da\u30fc\u30b8\u306b\u3059\u3067\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u72b6\u614b\u3067\u914d\u4fe1\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Google \u306f\u3001JavaScript SEO \u306e\u57fa\u672c\u3092\u89e3\u8aac\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5185\u3067 noindex robots meta \u30bf\u30b0\u306e\u51e6\u7406\u306b\u95a2\u3059\u308b\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u66f4\u65b0\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":15677,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227,578,1212],"class_list":["post-15676","post","type-post","status-publish","format-standard","has-post-thumbnail","category-google-seo","tag-noindex","tag-javascript","tag-rendering"],"_links":{"self":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/15676","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=15676"}],"version-history":[{"count":0,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/posts\/15676\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media\/15677"}],"wp:attachment":[{"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/media?parent=15676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/categories?post=15676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.suzukikenichi.com\/blog\/wp-json\/wp\/v2\/tags?post=15676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}