BotDB Record

Cloudflare Observatory Curly

Review first

Cloudflare Observatory Curly is a monitoring bot from Cloudflare used for uptime monitoring, synthetic checks, performance measurement, accessibility review; it appears in server logs as `curly-`.

Monitoring Performance Measurement Documented Confidence: Medium Verified: Yes robots.txt: Unknown
Operator
Cloudflare
Family
Cloudflare
Type
Monitoring
Source type
Official
Last checked
2026-06-22

User-Agent Signal

Cloudflare
curly-
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: curly-
Disallow: /

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Handling Guidance

Depends

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

Cloudflare Observatory Curly is used for uptime monitoring, synthetic checks, performance measurement, accessibility review, and site-health testing.

Intelligence Details

BotDB fields
Operator
Cloudflare
Family
Cloudflare
Type
Monitoring
Purpose
Performance Measurement
Identity type
Documented
Confidence
Medium
Last verified
2026-06-22
Last checked
2026-06-22
Source type
Official
Verification
Verify Cloudflare Observatory Curly by matching `curly-` to Cloudflare evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
Spoofing risk
Cloudflare Observatory Curly has medium spoofing risk because user-agent strings can be copied; pair the match with DNS, IP, behavior, or operator evidence.

Notes

  • Cloudflare Observatory Curly is a monitoring bot from Cloudflare used for uptime monitoring, synthetic checks, performance measurement, accessibility review, and site-health testing.
  • Its primary user-agent pattern is curly-; related patterns include Cloudflare Observatory; Cloudflare Curly; curly-*.
  • Cloudflare Observatory Curly is verified with Medium confidence. The identity type is Documented, and the evidence basis is official operator documentation.
  • Cloudflare Observatory Curly does not have confirmed robots.txt behavior in the available public evidence.
  • Cloudflare Observatory Curly 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 Observatory Curly by matching `curly-` to Cloudflare evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
  • Cloudflare Observatory Curly traffic is primarily detected by the `curly-` user-agent pattern; related patterns include `Cloudflare Observatory; Cloudflare Curly; curly-*`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Cloudflare infrastructure before trusting the traffic.
  • Cloudflare Observatory Curly is used for uptime monitoring, synthetic checks, performance measurement, accessibility review, and site-health testing.
  • Cloudflare Observatory Curly has medium spoofing risk because user-agent strings can be copied; pair the match with DNS, IP, behavior, or operator evidence.

https://developers.cloudflare.com/speed/observatory/

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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