Detect Cloudflare
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
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Websites using Cloudflare
9,499 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| twitter.com | 8/6/2026 |
| linkedin.com | 8/6/2026 |
| zoom.us | 8/6/2026 |
| chatgpt.com | 8/6/2026 |
| cloudflare.com | 8/6/2026 |
Whole list · $379.96 (9,499 × $0.04)
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Cloudflare signature at the time of the scan.
- Does not establish
- A sitewide install of Cloudflare, an active vendor contract, exclusive use, or that Cloudflare is still in place today.
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How to check a site for Cloudflare
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Cloudflare signals.
- 2. PluginView reads only public responses and scores them against proprietary Cloudflare fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for Cloudflare on the results page.
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FAQ: detecting Cloudflare
- Can PluginView detect Cloudflare without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Cloudflare. It does not bypass authentication or paywalls.
- What category is Cloudflare?
- Cloudflare is classified under CDN in the PluginView directory.
- Does PluginView publish Cloudflare fingerprint rules?
- No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.
