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Rocket Validator vs SortSite: catalog facts
Rocket Validator	SortSite
Paid Paid subscription service with a free trial.	Freemium The online demo is free for 10 pages; SortSite Desktop and OnDemand are paid.
Web	Web
Site-wide HTML and accessibility checks in one report Up to 5,000 pages per report	Accessibility, links, compatibility and SEO in one scan Over 1200 checkpoints
Paid service after the trial Requires an account	Free demo covers only the first 10 pages Full site scans require a paid product
Hosted service	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	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.