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FAST.com vs Waveform Bufferbloat Test: catalog facts
FAST.com	Waveform Bufferbloat Test
Free Free to use in the browser.	Free The test runs in the browser at no cost.
Web	Web
Very simple, gives a download figure quickly Shows loaded and unloaded latency on request	Measures latency under load, not only raw speed Runs in the browser with nothing to install
Upload and latency are hidden by default No jitter or packet loss measurement	Hosted on a retailer's site Tests only the connection from the device running it
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 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.