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Dead Link Checker vs W3C Link Checker: catalog facts
Dead Link Checker	W3C Link Checker
Freemium Manual checks are free; scheduled automatic checks require a paid subscription.	Free Free to use on the W3C website.
Web	Web
Free manual checks of whole sites or single pages Can check multiple sites in one run	Checks anchors as well as full URLs Recursive crawling with a configurable depth
Automated checking is paid Scheduling and multi-site reports need an account	Plain interface with a text-heavy report Works best when the pages already have valid markup
Web application	Web application
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Needs internet	Needs internet
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.