StackPulse detects Cloudflare Turnstile on 1,049 websites — 0.91% of the 115,150 domains in the index — making it the #2 security technology we track. Updated October 27, 2026.
StackPulse currently detects Cloudflare Turnstile on 1,049 websites, which is 0.91% of the 115,150 domains in the index. The count is refreshed as the crawler re-scans the web.
How do I check whether a website uses Cloudflare Turnstile?
Open the free StackPulse lookup, enter the domain and the security section will list Cloudflare Turnstile if its scripts, headers or markup are present. Developers can call GET /v1/lookup/:domain.
Can I download a list of websites that use Cloudflare Turnstile?
Yes. Lead Export filters the index by Cloudflare Turnstile (optionally combined with other technologies) and streams the matching domains as CSV, up to 50,000 rows per file.
What is Cloudflare Turnstile?
Cloudflare Turnstile is a security technology. It ranks #2 of 3 security technologies by number of websites in the StackPulse index.
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