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CrUX Vis vs Treo Site Speed: catalog facts
CrUX Vis	Treo Site Speed
Free Free tool from Google.	Free The site speed report is free with no sign-up required.
Web	Web
Uses real-user field data from Chrome Charts trends for a page or a whole origin	Real-user data instead of synthetic tests Years of historical Core Web Vitals trends
Only covers sites with enough Chrome traffic to be in the report Shows measurements but does not run tests itself	Relies on Chrome UX Report data, so low-traffic sites may have none Reflects Chrome users only
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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