Compare software

Unlighthouse vs webhint: catalog facts
Unlighthouse	webhint
Free Free and open source under the MIT licence, funded by sponsors.	Free Free open-source project hosted by the OpenJS Foundation.
Command line	Browser extension, Command line
Audits a whole site rather than one page Automatic URL discovery and parallel scanning	Same checks available in the editor, the browser and CI Built into Microsoft Edge DevTools
Requires Node 22 or later Large sites still take time to scan	The CLI requires Node.js and npx Aimed at developers rather than site owners who want a one-click report
Downloadable app	Downloadable app, Browser extension
Open source	Open source
License: MIT	License not stated
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 23, 2026	Official website Full listing and sources Checked September 24, 2026

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