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Semrush Site Audit vs Siteliner: catalog facts
Semrush Site Audit	Siteliner
Freemium A limited free crawl is available; larger audits require a paid Semrush plan.	Free Free scans are available from the website; account sign-up is optional.
Web	Web
Issues ranked by severity with fix suggestions Covers AI search visibility as well as classic SEO	Finds duplicate content within a site Reports broken links and redirections in the same scan
The free crawl is limited Full use requires a paid Semrush subscription	Web service only, so the site must be publicly reachable Focuses on content and links rather than speed or accessibility
Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is 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 24, 2026

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