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Dev tools · December 24, 2019

Pa11y

Free and open source tools to help designers and developers.

Pa11y launched on December 24, 2019 with 3 votes, #1,413 of 2,946 launches that month. The site was still online in September 2026, 6 years on.

What it does

Pa11y aims to improve the accessibility of the web through better tooling and automation.

Pa11y is your automated accessibility testing pal.

Here at Pa11y, we think making the web more accessible improves it for everyone. So we publish a range of free and open source tools to help designers and developers make their web pages more accessible: A command-line interface which loads web pages and highlights any accessibility issues it finds. Useful for when you want to run a one-off test against a web page. A web dashboard which automatically tests web pages for accessibility issues daily. Graphs help you track improvements and regressions over time. Useful for non-developers to see how your sites perform. The JSON-based webservice that backs Pa11y Dashboard. Useful if you want to build your own dashboard-like front end, or…from pa11y.org

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