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Cloudflare Radar URL Scanner vs WhatCMS: catalog facts
Cloudflare Radar URL ScannerWhatCMS
Free

Free to use.

Free

Checking a single URL on the website is free; reports and batch detection are separate…

Web Web
  • Reports technologies, security and performance in one scan
  • Nothing to install
  • Detects about 1,540 website technologies
  • Reports framework, language, hosting and CDN alongside the CMS
  • Proprietary hosted service
  • Only checks public URLs one at a time
  • Detection relies on visible artifacts and can miss customised sites
  • Lead generation features go beyond simple site checks
Web application Web application
Closed source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Needs internet Needs internet

Checked September 23, 2026

Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.