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EXPERTE Accessibility Checker vs Pa11y: catalog facts
EXPERTE Accessibility Checker	Pa11y
Free Free to use.	Free Free and open source.
Web	Self-hosted, Command line
Crawls an entire site in one run 41 checks across eight categories	Command-line tool for quick one-off accessibility checks CI tool for testing a list of pages in builds
Automated checks cannot replace testing with real assistive technology Only works on publicly reachable pages	Automated checks catch only part of all accessibility problems The dashboard requires running your own server
Web application	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account 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.