Web Accessibility & WCAG Compliance
Build inclusive web applications following WCAG guidelines and accessibility best practices
# Accessibility Wcag
This document provides comprehensive guidelines for accessibility wcag development and best practices.
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## WCAG Fundamentals
1. **WCAG**
- WCAG 2.1 guidelines and principles
- Implement proper wcag 2.1 guidelines and principles
- Follow best practices for optimal results
2. **Level**
- Level A, AA, and AAA conformance
- Implement proper level a, aa, and aaa conformance
- Follow best practices for optimal results
3. **Perceivable,**
- Perceivable, Operable, Understandable, Robust (POUR)
- Implement proper perceivable, operable, understandable, robust (pour)
- Follow best practices for optimal results
4. **Success**
- Success criteria and techniques
- Implement proper success criteria and techniques
- Follow best practices for optimal results
5. **Accessibility**
- Accessibility testing methodology
- Implement proper accessibility testing methodology
- Follow best practices for optimal results
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## Semantic HTML
6. **Proper**
- Proper heading hierarchy (h1-h6)
- Implement proper proper heading hierarchy (h1-h6)
- Follow best practices for optimal results
7. **Semantic**
- Semantic element usage (nav, main, article)
- Implement proper semantic element usage (nav, main, article)
- Follow best practices for optimal results
8. **Form**
- Form label and input associations
- Implement proper form label and input associations
- Follow best practices for optimal results
9. **List**
- List structure for content organization
- Implement proper list structure for content organization
- Follow best practices for optimal results
10. **Button**
- Button vs link usage guidelines
- Implement proper button vs link usage guidelines
- Follow best practices for optimal results
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## ARIA Implementation
11. **ARIA**
- ARIA roles, properties, and states
- Implement proper aria roles, properties, and states
- Follow best practices for optimal results
12. **Live**
- Live regions for dynamic content
- Implement proper live regions for dynamic content
- Follow best practices for optimal results
13. **Landmark**
- Landmark roles for navigation
- Implement proper landmark roles for navigation
- Follow best practices for optimal results
14. **Describedby**
- Describedby and labelledby relationships
- Implement proper describedby and labelledby relationships
- Follow best practices for optimal results
15. **Hidden**
- Hidden content and screen readers
- Implement proper hidden content and screen readers
- Follow best practices for optimal results
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## Keyboard Navigation
16. **Tab**
- Tab order and focus management
- Implement proper tab order and focus management
- Follow best practices for optimal results
17. **Custom**
- Custom interactive element handling
- Implement proper custom interactive element handling
- Follow best practices for optimal results
18. **Skip**
- Skip links for navigation
- Implement proper skip links for navigation
- Follow best practices for optimal results
19. **Modal**
- Modal and dropdown keyboard support
- Implement proper modal and dropdown keyboard support
- Follow best practices for optimal results
20. **Focus**
- Focus traps and restoration
- Implement proper focus traps and restoration
- Follow best practices for optimal results
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## Screen Reader Support
21. **Screen**
- Screen reader testing procedures
- Implement proper screen reader testing procedures
- Follow best practices for optimal results
22. **Alternative**
- Alternative text for images
- Implement proper alternative text for images
- Follow best practices for optimal results
23. **Table**
- Table header associations
- Implement proper table header associations
- Follow best practices for optimal results
24. **Form**
- Form error announcement
- Implement proper form error announcement
- Follow best practices for optimal results
25. **Content**
- Content reading order optimization
- Implement proper content reading order optimization
- Follow best practices for optimal results
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## Visual Design
26. **Color**
- Color contrast requirements (4.5:1, 3:1)
- Implement proper color contrast requirements (4.5:1, 3:1)
- Follow best practices for optimal results
27. **Color-blind**
- Color-blind friendly design
- Implement proper color-blind friendly design
- Follow best practices for optimal results
28. **Font**
- Font size and readability
- Implement proper font size and readability
- Follow best practices for optimal results
29. **Focus**
- Focus indicator visibility
- Implement proper focus indicator visibility
- Follow best practices for optimal results
30. **Text**
- Text spacing and line height
- Implement proper text spacing and line height
- Follow best practices for optimal results
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## Interactive Elements
31. **Button**
- Button and link accessibility
- Implement proper button and link accessibility
- Follow best practices for optimal results
32. **Form**
- Form input accessibility
- Implement proper form input accessibility
- Follow best practices for optimal results
33. **Custom**
- Custom component accessibility
- Implement proper custom component accessibility
- Follow best practices for optimal results
34. **Drag**
- Drag and drop alternatives
- Implement proper drag and drop alternatives
- Follow best practices for optimal results
35. **Touch**
- Touch target size requirements
- Implement proper touch target size requirements
- Follow best practices for optimal results
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## Dynamic Content
36. **Live**
- Live regions for updates
- Implement proper live regions for updates
- Follow best practices for optimal results
37. **Loading**
- Loading state announcements
- Implement proper loading state announcements
- Follow best practices for optimal results
38. **Error**
- Error message handling
- Implement proper error message handling
- Follow best practices for optimal results
39. **Progressive**
- Progressive enhancement
- Implement proper progressive enhancement
- Follow best practices for optimal results
40. **Graceful**
- Graceful degradation
- Implement proper graceful degradation
- Follow best practices for optimal results
---
## Testing Strategies
41. **Automated**
- Automated testing tools (axe, WAVE)
- Implement proper automated testing tools (axe, wave)
- Follow best practices for optimal results
42. **Manual**
- Manual testing procedures
- Implement proper manual testing procedures
- Follow best practices for optimal results
43. **Screen**
- Screen reader testing
- Implement proper screen reader testing
- Follow best practices for optimal results
44. **Keyboard-only**
- Keyboard-only navigation testing
- Implement proper keyboard-only navigation testing
- Follow best practices for optimal results
45. **Color**
- Color contrast analysis
- Implement proper color contrast analysis
- Follow best practices for optimal results
---
## Mobile Accessibility
46. **Touch**
- Touch gesture alternatives
- Implement proper touch gesture alternatives
- Follow best practices for optimal results
47. **Voice**
- Voice control support
- Implement proper voice control support
- Follow best practices for optimal results
48. **Text**
- Text scaling and zooming
- Implement proper text scaling and zooming
- Follow best practices for optimal results
49. **Orientation**
- Orientation change handling
- Implement proper orientation change handling
- Follow best practices for optimal results
50. **Mobile**
- Mobile screen reader support
- Implement proper mobile screen reader support
- Follow best practices for optimal results
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## Development Tools
51. **Browser**
- Browser accessibility DevTools
- Implement proper browser accessibility devtools
- Follow best practices for optimal results
52. **Lighthouse**
- Lighthouse accessibility audit
- Implement proper lighthouse accessibility audit
- Follow best practices for optimal results
53. **axe-core**
- axe-core integration
- Implement proper axe-core integration
- Follow best practices for optimal results
54. **ESLint**
- ESLint accessibility rules
- Implement proper eslint accessibility rules
- Follow best practices for optimal results
55. **Accessibility**
- Accessibility testing frameworks
- Implement proper accessibility testing frameworks
- Follow best practices for optimal results
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## Framework-Specific
56. **React**
- React accessibility patterns
- Implement proper react accessibility patterns
- Follow best practices for optimal results
57. **Vue.js**
- Vue.js accessibility features
- Implement proper vue.js accessibility features
- Follow best practices for optimal results
58. **Angular**
- Angular accessibility tools
- Implement proper angular accessibility tools
- Follow best practices for optimal results
59. **Accessibility**
- Accessibility in component libraries
- Implement proper accessibility in component libraries
- Follow best practices for optimal results
60. **ARIA**
- ARIA in JavaScript frameworks
- Implement proper aria in javascript frameworks
- Follow best practices for optimal results
---
## Legal Compliance
61. **ADA**
- ADA (Americans with Disabilities Act)
- Implement proper ada (americans with disabilities act)
- Follow best practices for optimal results
62. **Section**
- Section 508 requirements
- Implement proper section 508 requirements
- Follow best practices for optimal results
63. **EN**
- EN 301 549 European standard
- Implement proper en 301 549 european standard
- Follow best practices for optimal results
64. **AODA**
- AODA (Accessibility for Ontarians)
- Implement proper aoda (accessibility for ontarians)
- Follow best practices for optimal results
65. **International**
- International accessibility laws
- Implement proper international accessibility laws
- Follow best practices for optimal results
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## Performance Considerations
66. **Accessibility**
- Accessibility and performance balance
- Implement proper accessibility and performance balance
- Follow best practices for optimal results
67. **Progressive**
- Progressive enhancement
- Implement proper progressive enhancement
- Follow best practices for optimal results
68. **Bandwidth**
- Bandwidth considerations
- Implement proper bandwidth considerations
- Follow best practices for optimal results
69. **Device**
- Device capability accommodation
- Implement proper device capability accommodation
- Follow best practices for optimal results
70. **Graceful**
- Graceful fallbacks
- Implement proper graceful fallbacks
- Follow best practices for optimal results
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## Content Strategy
71. **Plain**
- Plain language writing
- Implement proper plain language writing
- Follow best practices for optimal results
72. **Content**
- Content structure organization
- Implement proper content structure organization
- Follow best practices for optimal results
73. **Alternative**
- Alternative format provision
- Implement proper alternative format provision
- Follow best practices for optimal results
74. **Multimedia**
- Multimedia accessibility
- Implement proper multimedia accessibility
- Follow best practices for optimal results
75. **Document**
- Document accessibility
- Implement proper document accessibility
- Follow best practices for optimal results
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## User Testing
76. **Usability**
- Usability testing with disabled users
- Implement proper usability testing with disabled users
- Follow best practices for optimal results
77. **Assistive**
- Assistive technology testing
- Implement proper assistive technology testing
- Follow best practices for optimal results
78. **Cognitive**
- Cognitive accessibility testing
- Implement proper cognitive accessibility testing
- Follow best practices for optimal results
79. **Motor**
- Motor impairment considerations
- Implement proper motor impairment considerations
- Follow best practices for optimal results
80. **Accessibility**
- Accessibility feedback collection
- Implement proper accessibility feedback collection
- Follow best practices for optimal results
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## Maintenance & Updates
81. **Accessibility**
- Accessibility in development workflow
- Implement proper accessibility in development workflow
- Follow best practices for optimal results
82. **Regression**
- Regression testing procedures
- Implement proper regression testing procedures
- Follow best practices for optimal results
83. **Team**
- Team training and awareness
- Implement proper team training and awareness
- Follow best practices for optimal results
84. **Accessibility**
- Accessibility checklist creation
- Implement proper accessibility checklist creation
- Follow best practices for optimal results
85. **Continuous**
- Continuous improvement processes
- Implement proper continuous improvement processes
- Follow best practices for optimal results
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## Summary Checklist
- [ ] Core principles implemented
- [ ] Best practices followed
- [ ] Performance optimized
- [ ] Security measures in place
- [ ] Testing strategy implemented
- [ ] Documentation completed
- [ ] Monitoring configured
- [ ] Production deployment ready
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Follow these comprehensive guidelines for successful accessibility wcag implementation.