Unverified50% confidenceFactExact time
noindex is a page-level directive provided by search engines that, via the `<meta name="robots" content="noindex">` tag or the HTTP response header `X-Robots-Tag`, tells crawlers they may crawl the page but must not include it in the index.
1
Sources
50%
Confidence
Long-term
Relevance
10/17/2026
First Seen
Sources
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Related Claims
UnverifiedA nofollow link carries the rel="nofollow" attribute, instructing crawlers not to pass link equity, and is typically used in contexts such as advertisements and user-generated content.71% similarUnverifiedrobots.txt only controls whether crawling is allowed, not whether indexing is allowed; a URL that is disallowed from crawling may still appear in search results if it is linked from other sites (usually showing only the link without a snippet).68% similarVerifiedrobots.txt is a plain text file placed in the root directory of a website that follows the Robots Exclusion Standard and is used to declare to crawlers which paths are allowed to be accessed.66% similarUnverifieddofollow链接允许搜索引擎爬虫追踪并将源页面的部分PageRank权重传递给目标页面，而nofollow链接带有rel=nofollow标签告诉搜索引擎不要追踪或传递权重62% similarUnverifiedPage-level meta tag solutions currently rely mainly on custom attributes such as noai and noimageai, with no unified standard yet established.62% similar
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