HTTP
WAF & CDN Detector
Detect if a site is behind Cloudflare, Akamai, AWS WAF, Sucuri, or other WAF/CDN. Passive header analysis.
Passive analysis — fetches headers, no attack payloads.
How to use
- Enter a domain, URL, or value relevant to WAF & CDN Detector.
- Run the check and review the output carefully.
- Apply recommended fixes, then run the check again to verify.
Common use cases
- Pre-deployment validation for WAF & CDN Detector.
- Incident triage when security checks fail in production.
- Periodic security review as part of technical SEO and hardening.
Example inputs
https://cloudflare.comhttps://example.comCommon issues and fixes
No WAF detected
Site may use custom WAF, or headers are hidden. Passive detection has limits.
Blocked request
Bot protection may block our request. Try a different URL or user-agent.
Recommended remediation
Checks CF-Ray, X-Amz-Cf-Id, X-Akamai, X-Sucuri-Id, and similar headers. No active probing.
FAQ
Is WAF & CDN Detector free to use?
Yes. This tool is free and can be used without account registration.
Do you store submitted values?
Only the minimum processing needed for the check. For client-side tools, data stays in your browser.
How should I use these results?
Use the output as a diagnostic baseline, apply fixes in your stack, then re-run the check to confirm remediation.
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