Compare software

HTMLProofer vs linkinator: catalog facts
HTMLProofer	linkinator
Free Free and open source.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Checks generated output rather than source templates Works well in CI for static sites	Crawls whole sites and follows links recursively Checks local files as well as live websites
Requires a Ruby environment Works on local HTML files rather than crawling live sites	Command-line only, with no graphical interface Requires Node.js unless run in Docker
Downloadable app	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 23, 2026	Official website Full listing and sources Checked September 23, 2026

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