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Siteliner vs Sitechecker: catalog facts
Siteliner	Sitechecker
Free Free scans are available from the website; account sign-up is optional.	Freemium The single-page SEO checker is free; crawling, monitoring and rank tracking are paid…
Web	Web, Browser extension
Finds duplicate content within a site Reports broken links and redirections in the same scan	Free page audit with a score, status code and indexation status Crawler, monitoring and rank tracking in the same platform
Web service only, so the site must be publicly reachable Focuses on content and links rather than speed or accessibility	Most features beyond the single-page checker are paid Aimed at marketers, so reports focus on SEO rather than general site health
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 24, 2026	Official website Full listing and sources Checked September 23, 2026

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