Alternatives to Sa11y

Accessibility checker that highlights content issues directly on a web page with tips for fixing them. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as Sa11y.

  • WAVE

    A suite of web accessibility evaluation tools, available online and as browser extensions.

    FreemiumProprietaryWebBrowser extension

    WAVE also shows issues in place on the page, via browser extensions rather than site integration, but it is not open source and bulk testing is paid.

  • Accessibility Checker

    WordPress plugin that scans posts and pages for accessibility problems and reports them in the editor.

    FreemiumProprietarySelf-hosted

    Accessibility Checker reports issues inside the WordPress editor with one-click fixes, but works only with WordPress and is not open source.

  • axe DevTools

    Accessibility testing tools and browser extension from Deque, built on the axe-core rules engine.

    FreemiumProprietaryWebBrowser extension

    axe DevTools runs as a browser extension on axe-core with IDE and CI toolkits, aimed at developers more than content authors.

  • Accessibility Insights

    Microsoft's open-source tools for finding and fixing accessibility problems in web pages and Windows apps.

    FreeOpen sourceWindowsBrowser extension

    Accessibility Insights is open source from Microsoft with a guided WCAG 2.1 AA assessment, running as a Chrome or Edge extension instead of in the site.

  • ANDI

    Free bookmarklet from the US Social Security Administration for testing web pages for accessibility.

    FreeProprietaryWeb

    ANDI is a free bookmarklet from the US Social Security Administration showing screen reader names, needing no site integration but blockable by Content Security Policy.

  • IBM Equal Access Accessibility Checker

    IBM's open-source browser extension and toolkit for automated accessibility checks of web pages.

    FreeOpen sourceBrowser extensionCommand line

    IBM Equal Access Accessibility Checker is an open-source browser extension with CI integrations, aimed at web teams rather than content editors.

Similar software

Related functionality, not a direct replacement.