Verified70% confidenceFactExact time
robots.txt is a plain text file placed in a website's root directory that tells web crawlers which pages can be crawled and which should be avoided
4
Sources
70%
Confidence
Long-term
Relevance
8/2/2026
First Seen
Sources
Only 8.9% of Websites Block AI Crawlers, Yet 94.8% Have Never Been Cited in AI Answers
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Related Claims
VerifiedGooglebot determines the scope of crawlable pages by following each website's robots.txt protocol; robots.txt is a text file stored in the root directory of a website used to declare crawlable or blocked pages to web crawlers.84% similarUnverifiedrobots.txt is an access-control mechanism that tells crawlers what can and cannot be crawled; llms.txt is a content navigation tool that proactively recommends core content worth reading to models78% similarVerifiedrobots.txt is an industry convention established in 1994 by the Robots Exclusion Protocol (REP) and is not a mandatory legal regulation, but mainstream search engines such as Google and Baidu strictly adhere to it71% similarUnverifiedrobots.txt 和 sitemap.xml 作为网站向机器暴露元信息的早期实践，可被视为 WebMCP 的精神前身70% similarVerifiedThe robots.txt protocol was proposed by internet pioneer Martijn Koster in 1994 and is a plain text file placed in the root directory of a website69% similar
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