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CrUX Vis vs Treo: catalog facts
CrUX Vis	Treo
Free Free tool from Google.	Freemium A free speed test is available, with paid plans for monitoring and larger scans.
Web	Web
Uses real-user field data from Chrome Charts trends for a page or a whole origin	Real-user Core Web Vitals for any domain with no script to install Combines CrUX field data and Lighthouse lab tests
Only covers sites with enough Chrome traffic to be in the report Shows measurements but does not run tests itself	Field data is limited to what the Chrome UX Report covers Full monitoring features require a paid plan
Web application	Web application, Hosted service
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 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.