Compare software

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