These tools help reproduce and understand accessibility issues on your computer. Axe DevTools uses the same engine as the automated tests, so it shows the same violations.

Browser Extensions

• Axe DevTools
• WAVE
• Siteimprove Accessibility Checker
• AInspector
• IBM Equal Access Accessibility Checker: two rule sets, selectable in its settings.

Online Validators

• WAVE: also accepts pasted HTML or an uploaded file.
• TAW

Manual Testing Checklists

• Va11ydette
• ARA (French)
• WCAG-EM: Website Accessibility Conformance Evaluation Methodology

Further Reading

• Screen Reader User Survey
• Using Firefox for accessibility testing
• Top accessibility evaluation tips