What is Cloudflare Turnstile?

Security

Cloudflare Turnstile is a security or bot-protection service: CAPTCHA alternative by Cloudflare. Tech Stack Detector identifies Cloudflare Turnstile on any website by analysing the HTML source.

Cloudflare Turnstile is a security or bot-protection service (Security), detected on 5 websites in our index. See websites using Cloudflare Turnstile ↓

CategorySecurity
Official sitecloudflare.com
Detection signals1 signal
In our index5 websites

How Tech Stack Detector detects Cloudflare Turnstile

Cloudflare Turnstile is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.

  • Html PatternTurnstile widget or script

Websites using Cloudflare Turnstile

Recently scanned websites where we detected Cloudflare Turnstile. Open one to see its full technology stack.

noazrx.com7 technologies · 4 d ago mitzuu.ro4 technologies · 4 d ago www.techcrunch.com8 technologies · 8 d ago techcrunch.com8 technologies · 8 d ago esim.site18 technologies · 8 d ago

Often used with Cloudflare Turnstile

Technologies most frequently detected alongside Cloudflare Turnstile across scanned websites.

CloudflareCDN5 sitesGoogle FontsFont3 sitesGoogle Tag ManagerAnalytics3 sitesBootstrapUI Library3 sitesPHPLanguage3 sitesUNPKGCDN2 sitesProgressive Web AppOther2 sitesWordPressCMS2 sites

Alternatives to Cloudflare Turnstile

Other Security technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.

Google reCAPTCHASecurity21 sitesOneTrustSecurity21 sitesCookiebotSecurity7 siteshCaptchaSecurity1 siteImperva (Incapsula)SecuritySucuriSecurityWordfenceSecurity

Compare Cloudflare Turnstile

Side-by-side comparisons of Cloudflare Turnstile with other Security technologies.

Cloudflare Turnstile vs Google reCAPTCHA Cloudflare Turnstile vs OneTrust Cloudflare Turnstile vs Cookiebot Cloudflare Turnstile vs hCaptcha Cloudflare Turnstile vs Imperva (Incapsula)

Popular technologies

The technologies most often detected across all websites scanned on Tech Stack Detector.

CloudflareCDN249 sitesGoogle FontsFont220 sitesTailwind CSSUI Library170 sitesReactFramework165 sitesProgressive Web AppOther148 sitesPHPLanguage140 sitesNode.jsLanguage136 sitesNext.jsFramework124 sitesBootstrapUI Library120 sitesGoogle WorkspaceOther110 sites

Frequently asked questions

What is Cloudflare Turnstile?

Cloudflare Turnstile is a security or bot-protection service: CAPTCHA alternative by Cloudflare. Tech Stack Detector identifies Cloudflare Turnstile on any website by analysing the HTML source. Its official website is https://cloudflare.com/products/turnstile.

How can I tell if a website uses Cloudflare Turnstile?

Enter any URL into Tech Stack Detector and it reports whether Cloudflare Turnstile is present, with a confidence score and the exact evidence it matched. Detection is based on the HTML source. No login or crawling of the site is required.

How many websites use Cloudflare Turnstile?

Cloudflare Turnstile has been detected on 5 websites in the public Tech Stack Detector scan index. This reflects sites that visitors have analysed here, not global market share.

What are some alternatives to Cloudflare Turnstile?

Other Security technologies Tech Stack Detector detects include Google reCAPTCHA, OneTrust, Cookiebot, hCaptcha, Imperva (Incapsula) and Sucuri. You can compare any of them side by side with Cloudflare Turnstile.

Data last updated October 20, 2026 · based on 623 recently scanned websites.