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KeyCDN Website Speed Test vs ByteCheck: catalog facts
KeyCDN Website Speed Test	ByteCheck
Free Free to use.	Free Free to use online.
Web	Web
Full waterfall with per-asset timings and headers Choice of 10 test locations	Focused TTFB measurement Quick and repeatable
One location per test run Fewer metrics than dedicated performance suites	Measures server response only, not full page load Only tests publicly reachable URLs
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.