Compare software

ByteCheck vs WebPageTest: catalog facts
ByteCheck	WebPageTest
Free Free to use online.	Freemium Basic tests are free, with paid options available.
Web	Web
Focused TTFB measurement Quick and repeatable	Detailed request waterfall and filmstrip view Tests from multiple locations
Measures server response only, not full page load Only tests publicly reachable URLs	Output is detailed and assumes some performance knowledge Some features sit behind paid plans
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.