Compare software

M-Lab Speed Test vs SpeedOf.Me: catalog facts
M-Lab Speed Test	SpeedOf.Me
Free Free to use in the browser.	Free The speed test is free to use in the browser.
Web	Web
Reports retransmission as well as speed and latency Openly licensed measurement tools	Runs in any browser with no app or plugin Measures jitter as well as download, upload and latency
Your IP address is retained and published with the results Fewer extras than commercial speed tests	History is stored per device rather than synced Results depend on browser and device performance
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account 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 October 1, 2026

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