HTTP

Technology Detector

Detect what technologies power a website — CMS, frameworks, CDN, analytics from headers and HTML.

Fetches page and analyzes headers + HTML for tech stack.

How to use

  1. Enter a domain, URL, or value relevant to Technology Detector.
  2. Run the check and review the output carefully.
  3. Apply recommended fixes, then run the check again to verify.

Common use cases

  • Pre-deployment validation for Technology Detector.
  • Incident triage when security checks fail in production.
  • Periodic security review as part of technical SEO and hardening.

Example inputs

https://example.comhttps://wordpress.orghttps://nextjs.org

Common issues and fixes

Blocked by bot protection

Cloudflare, Akamai or WAF may block automated requests. Try a different URL.

Client-side only frameworks

SPAs may not expose tech in initial HTML. Server/headers are more reliable.

Recommended remediation

Uses Server, X-Powered-By, X-Generator headers plus HTML/script patterns. Similar to BuiltWith, Wappalyzer.

FAQ

Is Technology 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.

Related security tools

SSL Checker

Verify SSL/TLS certificate details, issuer, expiry date, and certificate chain for any domain.

HTTP Header Analyzer

Analyze HTTP response headers and check security headers like CSP, HSTS, X-Frame-Options.

DNS Lookup

Query DNS records (A, AAAA, MX, TXT, NS, CNAME) for any domain using public DNS API.

Subdomain Finder

Discover subdomains via Certificate Transparency logs. Passive enumeration — no brute force.