Complete WCAG 2.2 Guide
Your ultimate handbook for web accessibility guidelines
Learn everything about WCAG 2.2, from basic principles to advanced implementation techniques.
The 4 Principles of WCAG
WCAG is based on four fundamental principles that form the foundation of accessible web content.
Perceivable
Information and UI components must be presentable in ways users can perceive.
Operable
UI components and navigation must be operable.
Understandable
Information and UI operation must be understandable.
Robust
Content must be robust enough to be interpreted reliably.
Compliance Levels
WCAG has three levels of conformance: A, AA, and AAA.
Level A
Minimum level of accessibility
Level AA
Standard for most websites
Level AAA
Highest level of accessibility
Key Guidelines
1.1 - Text Alternatives
Provide text alternatives for non-text content
- Alt text for images
- Transcripts for audio
- Descriptions for video
1.3 - Adaptable
Content can be presented in different ways without losing meaning
- Logical heading structure
- Meaningful link text
- Form labels
1.4 - Distinguishable
Make it easier for users to see and hear content
- Color contrast 4.5:1
- Text resizable to 200%
- Focus indicators
WCAG 2.2 Checklist
Use this checklist to evaluate your website
How to Test
Practical steps to test your website for accessibility
Automated Testing
Use tools like AllyScan for quick scans
- 1Run accessibility scanner
- 2Review automated results
- 3Fix obvious issues
Manual Testing
Essential for complete evaluation
- 1Keyboard-only navigation
- 2Screen reader testing
- 3Color/contrast verification
User Testing
Test with real users with disabilities
- 1Recruit diverse users
- 2Observe real usage
- 3Gather feedback
Start WCAG Compliance Now
Use AllyScan to test your website against WCAG 2.2 guidelines