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WebPageTest vs Uptrends Website Speed Test: catalog facts
WebPageTest	Uptrends Website Speed Test
Freemium Basic tests are free, with paid options available.	Freemium The speed test is free; Uptrends monitoring is a paid service with a 30-day trial.
Web	Web
Detailed request waterfall and filmstrip view Tests from multiple locations	Choice of Chrome or Edge and of desktop or mobile Waterfall, filmstrip and Core Web Vitals in one report
Output is detailed and assumes some performance knowledge Some features sit behind paid plans	Continuous monitoring requires a paid Uptrends plan The page promotes the commercial monitoring product
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.