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Dotcom-Tools vs Uptrends Website Speed Test: catalog facts
Dotcom-Tools	Uptrends Website Speed Test
Freemium The basic online tests are free; an account sign-up is offered for further features.	Freemium The speed test is free; Uptrends monitoring is a paid service with a 30-day trial.
Web	Web
Tests from nearly two dozen locations around the world Element-level waterfall chart for page speed	Choice of Chrome or Edge and of desktop or mobile Waterfall, filmstrip and Core Web Vitals in one report
Closed-source hosted service Some features are tied to an account sign-up	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
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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