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Yellow Lab Tools vs Lighthouse: catalog facts
Yellow Lab Tools	Lighthouse
Free Free and open source under the GPL-2.0 licence.	Free The open-source tool is available without a license fee.
Web, Self-hosted, Command line	Windows, macOS, Linux, Web, Command line
Checks front-end code quality as well as speed Detailed explanations of each issue	Turns vague performance complaints into a specific, prioritised list Runs in CI as well as in the browser, so regressions can be caught
Development has slowed, with the last repository push in early 2024 Docker image is maintained by a third party	Scores vary between runs and depend heavily on the machine and network A good score is not the same as a fast experience for real users
Downloadable app, Web application, Self-hosted	Downloadable app
Open source	Open source
License: GPL-2.0	License: Apache-2.0
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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