Accessibility Testing Tools: WCAG Compliance Made Easy

Testing accessibility is essential for inclusive web design. Use these tools to ensure WCAG compliance.

Automated Testing Tools

1. axe DevTools

• Install for Chrome/Firefox
• Run automated scans
• Get detailed issue reports
• Export results

2. Lighthouse

npm install -g lighthouse
lighthouse https://example.com --only-categories=accessibility

3. WAVE

• Highlights issues in context
• Shows ARIA attributes
• Validates structure

Screen Readers

• NVDA
• JAWS
• VoiceOver
• TalkBack

Color Contrast Tools

WebAIM Contrast Checker

Foreground: #0066cc
Background: #ffffff
Ratio: 7.5:1 AAA

Chrome DevTools

• Current ratio
• WCAG AA/AAA status
• Suggested fixes

Keyboard Testing

• Tab through all interactive elements
• Use Enter or Space to activate
• Test Escape for modals
• Verify focus visibility

:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

Checklist

• Run automated tools
• Test with screen reader
• Check color contrast
• Verify keyboard navigation
• Confirm visible focus
• Validate ARIA usage
• Use semantic HTML

Build accessible sites with proper testing!