BotDB Record

Cloudflare Prefetch

Review first

Cloudflare Prefetch is a CDN service bot from Cloudflare used for cache checks, content delivery diagnostics, edge-network fetches; it appears in server logs as `CloudFlare-Prefetch`.

Cdn Service Prefetching Official Documented Confidence: High Verified: Yes robots.txt: Unknown
Operator
Cloudflare
Family
Cloudflare
Source type
Official
Last checked
2026-06-22

User-Agent Signal

Cloudflare
CloudFlare-Prefetch
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-Prefetch
Disallow: /

Click the snippet to copy it, or highlight the text manually.

Handling Guidance

Depends

Use this record as bot intelligence, then verify the request source and behavior before allowing, blocking, or rate limiting.

Cloudflare Prefetch is used for cache checks, content delivery diagnostics, edge-network fetches, and service availability checks.

Intelligence Details

BotDB fields
Operator
Cloudflare
Family
Cloudflare
Type
Cdn Service
Purpose
Prefetching
Identity type
Official Documented
Confidence
High
Last verified
2026-06-22
Last checked
2026-06-22
Source type
Official
Verification
Verify Cloudflare Prefetch by matching `CloudFlare-Prefetch` to Cloudflare evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
Spoofing risk
Cloudflare Prefetch has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.

Notes

  • Cloudflare Prefetch is a CDN service bot from Cloudflare used for cache checks, content delivery diagnostics, edge-network fetches, and service availability checks.
  • Its primary user-agent pattern is CloudFlare-Prefetch; related patterns include CloudFlare-Prefetch/0.1; Cloudflare Prefetch URLs.
  • Cloudflare Prefetch is verified with High confidence. The identity type is Official Documented, and the evidence basis is official operator documentation.
  • Cloudflare Prefetch does not have confirmed robots.txt behavior in the available public evidence.
  • Cloudflare Prefetch should be reviewed against site policy, source evidence, crawl rate, and requested paths before a permanent allow or block rule is created.

Evidence and Source

  • Verify Cloudflare Prefetch by matching `CloudFlare-Prefetch` to Cloudflare evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
  • Cloudflare Prefetch traffic is primarily detected by the `CloudFlare-Prefetch` user-agent pattern; related patterns include `CloudFlare-Prefetch/0.1; Cloudflare Prefetch URLs`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Cloudflare infrastructure before trusting the traffic.
  • Cloudflare Prefetch is used for cache checks, content delivery diagnostics, edge-network fetches, and service availability checks.
  • Cloudflare Prefetch has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.

https://developers.cloudflare.com/fundamentals/reference/cloudflare-site-crawling/

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Verified robots.txt: Unknown Block: Depends Documented
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Verified robots.txt: Unknown Block: Depends Official Documented
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Verified robots.txt: Unknown Block: Depends Official Documented
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Use in Botcrawl Edge

Botcrawl Edge

Match this signal against live requests, related datacenter traffic, and rule actions in Edge.

Open Edge Open in Edge BotDB