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Siteliner vs SiteOne Crawler: catalog facts
Siteliner	SiteOne Crawler
Free Free scans are available from the website; account sign-up is optional.	Free Free and open source.
Web	Windows, macOS, Linux, Command line
Finds duplicate content within a site Reports broken links and redirections in the same scan	Broad audit covering SEO, security, accessibility and performance Both a desktop GUI and a scriptable CLI
Web service only, so the site must be publicly reachable Focuses on content and links rather than speed or accessibility	The large number of CLI options takes time to learn Crawling large sites can put load on the target server
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 24, 2026	Official website Full listing and sources Checked September 24, 2026

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