Compare software

Yellow Lab ToolsUnlighthouse
Free

Free and open source under the GPL-2.0 licence.

 Free

Free and open source under the MIT licence, funded by sponsors.

Web, Self-hosted, Command line Command line
  • Checks front-end code quality as well as speed
  • Detailed explanations of each issue
  • Audits a whole site rather than one page
  • Automatic URL discovery and parallel scanning
  • Development has slowed, with the last repository push in early 2024
  • Docker image is maintained by a third party
  • Requires Node 22 or later
  • Large sites still take time to scan
Downloadable app, Web application, Self-hosted Downloadable app
Open source Open source
License: GPL-2.0 License: MIT
No account needed No account needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked September 23, 2026

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