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FAST.com vs Cloudflare Speed Test: catalog facts
FAST.com	Cloudflare Speed Test
Free Free to use in the browser.	Free Free to use in the browser.
Web	Web
Very simple, gives a download figure quickly Shows loaded and unloaded latency on request	Reports jitter and packet loss as well as speed Quality scores for streaming, gaming and video calls
Upload and latency are hidden by default No jitter or packet loss measurement	Your IP address is sent to Cloudflare Results reflect the path to Cloudflare's network only
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.