Compare software

webhint vs Unlighthouse: catalog facts
webhint	Unlighthouse
Free Free open-source project hosted by the OpenJS Foundation.	Free Free and open source under the MIT licence, funded by sponsors.
Browser extension, Command line	Command line
Same checks available in the editor, the browser and CI Built into Microsoft Edge DevTools	Audits a whole site rather than one page Automatic URL discovery and parallel scanning
The CLI requires Node.js and npx Aimed at developers rather than site owners who want a one-click report	Requires Node 22 or later Large sites still take time to scan
Downloadable app, Browser extension	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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