WCAG Web Accessibility Auditor

Audit sanitized HTML, a public page or Lighthouse JSON with WCAG 2.2 mappings, inspect affected elements and complete a manual keyboard, screen-reader, zoom and media checklist.

Automated testing is only one part of WCAG evaluation

axe-core and Lighthouse cannot determine every WCAG requirement. Incomplete results and the manual checklist require human review; this tool does not issue a compliance certificate.

Scripts, active form actions, styles and remote-resource URLs are removed before the local axe-core run.

About WCAG Web Accessibility Auditor

Find automatable barriers and organize the human checks that remain. Audit sanitized HTML, a public page or Lighthouse JSON with WCAG 2.2 mappings, inspect affected elements and complete a manual keyboard, screen-reader, zoom and media checklist.

Key capabilities

Map axe-core findings to WCAG levels and success-criterion tags
Sanitize HTML and block scripts, form actions and remote resources before analysis
Track keyboard, focus, assistive-technology, zoom, media and error checks
Export issue evidence and an explicit automated-testing limitation

Useful for

Catch common accessibility regressions before release
Review labels, headings, contrast and semantic structure
Turn automated and manual findings into a remediation list

Frequently asked questions

Is WCAG Web Accessibility Auditor free to use online?

Yes. WCAG Web Accessibility Auditor opens in a modern browser and does not require desktop software installation.

What is WCAG Web Accessibility Auditor useful for?

Common use cases include Catch common accessibility regressions before release; Review labels, headings, contrast and semantic structure.

Does this tool make network connections?

Some WCAG Web Accessibility Auditor features need to connect to a target service or load online data. Follow the page guidance and access only resources you are authorized to use.

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