Compare software

SiteOne Crawler vs Siteliner: catalog facts
SiteOne Crawler	Siteliner
Free Free and open source.	Free Free scans are available from the website; account sign-up is optional.
Windows, macOS, Linux, Command line	Web
Broad audit covering SEO, security, accessibility and performance Both a desktop GUI and a scriptable CLI	Finds duplicate content within a site Reports broken links and redirections in the same scan
The large number of CLI options takes time to learn Crawling large sites can put load on the target server	Web service only, so the site must be publicly reachable Focuses on content and links rather than speed or accessibility
Downloadable app	Web application
Open source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Needs internet
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.