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nPerfOpenSpeedTest
Free

The web speed test is free to run.

 Free

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

Windows, macOS, Android, iOS, Web Web, Self-hosted
  • Measures download, upload and latency
  • Apps for mobile and desktop as well as the web
  • Runs in any browser with no app or plugin
  • Docker image makes internal LAN throughput testing trivial
  • Not open source
  • Tests against nPerf's own servers only
  • Browser-based measurement caps out below what dedicated tools reach
  • The hosted version's accuracy depends on server location
Downloadable app, Web application Web application, Self-hosted
Closed source Open source
License not stated License not stated
No account 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.