Overview
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 Unverified at the identity-evidence level. The listed identity remains useful for detection, but this record does not currently contain authoritative evidence sufficient to authenticate the identity claim.
Robots.txt behavior is not currently confirmed.
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.
Identity
- User-Agent Pattern
-
curly- - Aliases
- Cloudflare Observatory; Cloudflare Curly; curly-*
- HTTP Agent Examples
-
curly- - Robots Token
- curly-
- Identity Type
- Observed
- Evidence Method
- Treat `curly-` as an identity signal only. Confirm it with current operator documentation, cryptographic verification, forward-confirmed reverse DNS, source-network ownership, or other authoritative evidence before trusting the claimed identity.
Classification
- Type
- Monitoring
- Kind
- Monitoring
- Family
- Cloudflare
- Purpose
- Performance measurement
Behavior and handling
- Common Use
- Cloudflare Observatory Curly is used for uptime monitoring, synthetic checks, performance measurement, accessibility review, and site-health testing.
- Detection Notes
- 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.
- Respects robots.txt
- Unknown
- 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.
- Risk
- Neutral
- Recommended Handling
- Depends
Rules and controls
- Robots.txt Snippet
-
# robots.txt behavior is unconfirmed. Do not rely on this rule without verification.
Relationships
- Operator
- Cloudflare Checked 2026-08-07
Relationships without an Evidence link are normalized from the canonical directory record. They should not be interpreted as independent proof of physical presence or request origin.