What is Sucuri?
SecuritySucuri is a security or bot-protection service: Website firewall and malware protection. Tech Stack Detector identifies Sucuri on any website by analysing HTTP response headers.
Sucuri is a security or bot-protection service (Security). See websites using Sucuri ↓
How Tech Stack Detector detects Sucuri
Sucuri is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.
- HeaderSucuri Cloudproxy server header
- HeaderX-Sucuri-ID header
Websites using Sucuri
No websites in our public index are known to use Sucuri yet. Scan a site above that uses it to be the first. Your result becomes a shareable /site/… page.
Alternatives to Sucuri
Other Security technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.
Compare Sucuri
Side-by-side comparisons of Sucuri with other Security technologies.
Popular technologies
The technologies most often detected across all websites scanned on Tech Stack Detector.
Frequently asked questions
What is Sucuri?
Sucuri is a security or bot-protection service: Website firewall and malware protection. Tech Stack Detector identifies Sucuri on any website by analysing HTTP response headers. Its official website is https://sucuri.net.
How can I tell if a website uses Sucuri?
Enter any URL into Tech Stack Detector and it reports whether Sucuri is present, with a confidence score and the exact evidence it matched. Detection is based on HTTP response headers. No login or crawling of the site is required.
What are some alternatives to Sucuri?
Other Security technologies Tech Stack Detector detects include Google reCAPTCHA, OneTrust, Cookiebot, Cloudflare Turnstile, hCaptcha and Imperva (Incapsula). You can compare any of them side by side with Sucuri.
Data last updated October 20, 2026 · based on 618 recently scanned websites.