Command-line accessibility testing for CI, with a dashboard for tracking over time.
Pa11y runs accessibility tests from the command line against URLs, using either axe-core or HTML_CodeSniffer as its engine, and returns machine-readable results suited to failing a build. Pa11y CI tests many URLs at once and Pa11y Dashboard tracks results over time — all free and self-hosted.
Best for
Free and open source
Open sourceFree tier: Everything, self-hosted
What drives the bill: Free and open source. You pay in engineering time and CI minutes.
Check current pricing on OSS community’s siteFigures are indicative and were last reviewed August 2026. Vendors change pricing often; confirm before you commit.
No reviews of Pa11y yet. If you have used it in anger, yours would be the first.
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