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Broken Link Check vs muffet: catalog facts
Broken Link Check	muffet
Freemium Free for up to 3,000 pages; advanced services are available.	Free Free and open source.
Web	Windows, macOS, Linux, Command line
No sign-up or download Shows where each broken link is in the HTML	Fast concurrent crawling Fits easily into CI pipelines
Free version limited to 3,000 pages	Command line only, no graphical interface Focused on links rather than wider SEO or markup checks
Web application	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Needs internet	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.