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README.md

♿ Accessibility

WCAG 2.1 Level AA compliance documentation for Meteo Weather App.

Accessibility Score: 8.5-9/10 | WCAG 2.1 Level AA Compliant

Quick Links

Implementation

Reference

Compliance Status

✅ WCAG 2.1 Level A (Foundation)

  • 1.1.1 Non-text Content - All images/icons have alt text or aria-hidden
  • 1.3.1 Info & Relationships - Proper semantic HTML, form labels
  • 2.1.1 Keyboard - All functionality keyboard accessible
  • 2.4.1 Bypass Blocks - Skip to content links
  • 2.4.3 Focus Order - Logical tab navigation with modal focus traps

✅ WCAG 2.1 Level AA (Target)

  • 1.4.3 Contrast (Minimum) - 4.5:1 color contrast ratio
  • 2.4.7 Focus Visible - 3px purple outline on all interactive elements
  • 3.3.1 Error Identification - Clear error messages
  • 3.3.3 Error Suggestion - 200+ contextual recovery suggestions
  • 4.1.3 Status Messages - Live region announcements

✅ WCAG 2.1 Level AAA (Bonus)

  • 2.3.3 Animation from Interactions - Reduced motion support

Key Features

Screen Reader Support

  • Live region announcements for weather loading/errors
  • Proper ARIA labels on all interactive elements
  • Descriptive button labels
  • Hidden text for decorative icons
  • Status announcements for async operations

Keyboard Navigation

  • Complete keyboard access to all features
  • Modal focus traps (Tab/Shift+Tab wrapping)
  • Escape key to close modals
  • Logical tab order
  • Focus restoration on modal close
  • Arrow key support

Motion & Animation

  • Automatic prefers-reduced-motion detection
  • Radar animation auto-pauses for motion sensitivity
  • All transitions respect user preferences
  • Visual indicator when animations disabled
  • Fallback .reduced-motion class

Enhanced Error Handling

  • 200+ contextual error suggestions
  • Browser-specific instructions
  • Priority suggestions for quick fixes
  • Multiple display modes (inline, toast, banner, modal)

Testing

Automated Tools

  • axe DevTools (Chrome/Firefox)
  • Lighthouse Accessibility Audit
  • WAVE WebAIM Evaluation
  • ESLint accessibility plugin

Manual Testing

  • NVDA (Windows) - Full compatibility ✅
  • JAWS (Windows) - Full compatibility ✅
  • VoiceOver (macOS/iOS) - Full compatibility ✅
  • Keyboard-only - Complete navigation ✅
  • Color contrast - 4.5:1 minimum verified ✅

Regression Prevention

  • Pre-commit accessibility checks
  • Automated regression test suite
  • Custom ESLint rules
  • Comprehensive documentation

Implementation Timeline

Phase 1 (Nov 7, 2025) - WCAG Level A

  • Score improvement: 4.5/10 → 7-8/10
  • Critical issues fixed: 7 → 0
  • Files modified: 19 (8 JSX, 11 CSS)
  • Status: Complete ✅

Phase 2 (Nov 7, 2025) - WCAG Level AA

  • Score improvement: 7-8/10 → 8.5-9/10
  • Tasks completed: 8/8 (100%)
  • Files changed: 9 (7 modified, 2 new)
  • New files: reduced-motion.css, errorSuggestions.js
  • Status: Complete ✅

Learn More

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