Verified65% confidenceFactExact time
Googlebot 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.
3
Sources
65%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
Related Claims
Verifiedrobots.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 avoided84% similarUnverifiedCrawling is when Googlebot actually requests the URL and downloads the content.77% similarUnverifiedGooglebot 会遵循 HTTP 响应头中的 Cache-Control 和 Last-Modified 字段，对未变更页面实施增量抓取策略77% similarUnverifiedGoogle has introduced the googlebot series of directive extensions, and some platforms support values such as noindex and nosnippet in the robots meta tag.76% 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 models76% similar
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