Compare software

OpenSpeedTestWaveform Bufferbloat Test
Free

Free to use. Self-hosting is available under its own licence terms.

 Free

The test runs in the browser at no cost.

Web, Self-hosted Web
  • Runs in any browser with no app or plugin
  • Docker image makes internal LAN throughput testing trivial
  • Measures latency under load, not only raw speed
  • Runs in the browser with nothing to install
  • Browser-based measurement caps out below what dedicated tools reach
  • The hosted version's accuracy depends on server location
  • Hosted on a retailer's site
  • Tests only the connection from the device running it
Web application, Self-hosted Web application
Open source Closed source
License not stated License not stated
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked September 22, 2026

Checked September 23, 2026

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