Bot intelligence record

Cloudflare Browser Rendering Crawler

Usually allow

Cloudflare crawler used by Browser Rendering crawl workflows and identified in Cloudflare Radar.

Ai Browser Rendering Crawl Verified Bot Confidence: Medium Verified: Yes robots.txt: Yes
Operator
Cloudflare
Family
Cloudflare
Type
Ai
Source type
Verified Directory
Last checked
2026-06-02

User-Agent Pattern

Cloudflare
Cloudflare Crawler
Verification note

User-agent strings are identification signals, not proof of identity. Confirm important allow, block, or rate-limit decisions with logs, DNS or IP evidence, request behavior, or operator documentation when available.

Robots.txt Snippet

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User-agent: Cloudflare Crawler Disallow: /

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Handling Guidance

No

This bot is usually safe to allow when the request source is verified and the traffic matches your site policy.

Cloudflare Browser Rendering crawler used by customer-requested crawl workflows.

Record Details

Structured data
Operator
Cloudflare
Family
Cloudflare
Type
Ai
Purpose
Browser Rendering Crawl
Identity type
Verified Bot
Confidence
Medium
Last verified
2026-06-02
Last checked
2026-06-02
Source type
Verified Directory
Verification
Validate the identifying user-agent against operator documentation, reverse DNS, published IP ranges, signatures, or other trust signals before creating hard allow rules.
Spoofing risk
User-agent strings can be spoofed. Pair the claimed identifier with operator documentation, IP verification, reverse DNS, signatures, or other available trust signals before creating low-friction allow rules.

Notes

Cloudflare Browser Rendering Crawler is listed in the Botcrawl directory as a ai bot from Cloudflare. The primary identifier for log review is Cloudflare Crawler.

Identification

  • User-agent pattern: Cloudflare Crawler
  • Family: Cloudflare
  • Type: Ai
  • Kind: Crawler

Common use

Cloudflare Browser Rendering crawler used by customer-requested crawl workflows.

Verification and handling

Confirm the user-agent against server logs and use published operator documentation, IP ranges, reverse DNS, signatures, or other trust signals when available.

Directory guidance marks the risk level as Safe and the blocking decision as No. Do not rely on the user-agent string alone because user-agent strings can be copied or spoofed.

Robots.txt handling: Yes.

Evidence and Source

  • Validate the identifying user-agent against operator documentation, reverse DNS, published IP ranges, signatures, or other trust signals before creating hard allow rules.
  • Match `Cloudflare Crawler` as a case-insensitive substring in HTTP user-agent logs. Do not treat a user-agent match alone as proof of identity for allow-listing.
  • Cloudflare Browser Rendering crawler used by customer-requested crawl workflows.
  • User-agent strings can be spoofed. Pair the claimed identifier with operator documentation, IP verification, reverse DNS, signatures, or other available trust signals before creating low-friction allow rules.

https://radar.cloudflare.com/bots/directory/cloudflare-browser-rendering-crawler

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