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WhatCMS vs Cloudflare Radar URL Scanner: catalog facts
WhatCMS	Cloudflare Radar URL Scanner
Free Checking a single URL on the website is free; reports and batch detection are separate…	Free Free to use.
Web	Web
Detects about 1,540 website technologies Reports framework, language, hosting and CDN alongside the CMS	Reports technologies, security and performance in one scan Nothing to install
Detection relies on visible artifacts and can miss customised sites Lead generation features go beyond simple site checks	Proprietary hosted service Only checks public URLs one at a time
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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