Compare software

FAST.com vs LibreSpeed: catalog facts
FAST.comLibreSpeed
Free

Free to use in the browser.

Free

Free and open source under the LGPL.

Web Android, Web, Self-hosted
  • Very simple, gives a download figure quickly
  • Shows loaded and unloaded latency on request
  • Self-hosted, so the test measures your own path rather than a public server
  • No plugins or heavy dependencies; it is plain JavaScript
  • Upload and latency are hidden by default
  • No jitter or packet loss measurement
  • Results depend entirely on where you host the server
  • Fewer analytics than commercial speed test services
Web application Web application, Self-hosted
Closed source Open source
License not stated License: LGPL-3.0
Not stated if an account is needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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