# Claim 48

Anthropic supports the non-standard robots.txt Crawl-delay extension for ClaudeBot.

entity: ClaudeBot
field: honours_crawl_delay
value: yes
statement: Anthropic supports the non-standard robots.txt Crawl-delay extension for ClaudeBot.
evidence_url: https://support.claude.com/en/articles/8896518-does-anthropic-crawl-content-from-the-web-and-how-can-site-owners-block-the-crawler
evidence_quote: "To limit crawling activity, we support the non-standard Crawl-delay extension to robots.txt. An example of this might be: User-agent: ClaudeBot Crawl-delay: 1" source dated 2026-04-07
method: vendor_doc
verified_at: 2026-09-13
confidence: high
status: current
supersedes: none

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