axe for Web

An open source accessibility rules library for automated testing. Integrate accessibility into your existing testing environment.

    What sets axe apart?


    Lightweight, flexible, and secure. Axe-core is a self-contained open source library and testing engine. It doesn’t require any outside server calls, and it can be customized to include custom rules and to integrate with all modern browsers and testing frameworks.

    Explore axe


    Learn More about axe Integrations


    Learn More with the axe documentation

    axe Early Release Tools

    Learn More about axe future tools

    Join the axe Community

    screenshot of a chat window for the axe community

    The axe team maintains active channels on Gitter and the A11y workspace on Slack.

    Multiple screenshots of WorldSpace tools, including mobile, CLI and the extension.

    Are you ready for enterprise-level accessibility testing?

    WorldSpace Attest - Accessibility testing for development teams