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Checkbot vs SortSite: catalog facts
Checkbot	SortSite
Freemium Free to install, with Checkbot Pro from $10 per month.	Freemium The online demo is free for 10 pages; SortSite Desktop and OnDemand are paid.
Browser extension	Web
Crawls hundreds of pages at once More than 50 SEO, speed and security checks	Accessibility, links, compatibility and SEO in one scan Over 1200 checkpoints
Chrome only Some features require a paid plan	Free demo covers only the first 10 pages Full site scans require a paid product
Browser extension	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
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.