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CDN77 TLS Test vs GF.dev TLS Cipher Suite Scanner: catalog facts
CDN77 TLS Test	GF.dev TLS Cipher Suite Scanner
Free Free to use in the browser.	Free Free to use in the browser.
Web	Web
Lists all enabled SSL and TLS versions Highlights deprecated protocols in red	Quick check of the negotiated TLS version and cipher suite Nothing to install
Page includes promotion for CDN77's CDN service Less detail than dedicated TLS audit tools	Reports the negotiated suite rather than a full list of supported ciphers Only checks servers reachable from the internet
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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.