Compare software

Ahrefs Broken Link Checker vs Sitechecker Broken Link Checker: catalog facts
Ahrefs Broken Link Checker	Sitechecker Broken Link Checker
Free The checker is free; it is a lead-in to Ahrefs' paid SEO platform.	Freemium Free checks are available; the full platform and ongoing monitoring are paid.
Web	Web, Browser extension
No signup or download required Shows both inbound and outbound broken links	Broken links reported alongside a wider technical SEO audit Companion Chrome extension
Deeper reports need a paid Ahrefs account Results depend on Ahrefs' index rather than a fresh crawl of your site	Heavily oriented toward selling the paid SEO platform More than needed if you only want a link check
Web application	Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is 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.