Conduct WCAG 2.2 accessibility audits with automated testing, manual verification, and remediation guidance. Use when auditing websites for accessibility, fixing WCAG violations, or implementing accessible design patterns.
Comprehensive guide to auditing web content against WCAG 2.2 guidelines with actionable remediation strategies.
When to Use This Skill
Conducting accessibility audits
Fixing WCAG violations
Implementing accessible components
Preparing for accessibility lawsuits
Meeting ADA/Section 508 requirements
Achieving VPAT compliance
Core Concepts
1. WCAG Conformance Levels
Level
Description
Required For
A
Minimum accessibility
Legal baseline
AA
Standard conformance
Most regulations
AAA
Enhanced accessibility
Specialized needs
2. POUR Principles
Perceivable: Can users perceive the content?
Operable: Can users operate the interface?
Understandable: Can users understand the content?
Robust: Does it work with assistive tech?
3. Common Violations by Impact
Critical (Blockers):
├── Missing alt text for functional images
├── No keyboard access to interactive elements
├── Missing form labels
└── Auto-playing media without controls
Serious:
├── Insufficient color contrast
├── Missing skip links
├── Inaccessible custom widgets
└── Missing page titles
Moderate:
├── Missing language attribute
├── Unclear link text
├── Missing landmarks
└── Improper heading hierarchy
Detailed patterns and worked examples
Detailed pattern documentation lives in references/details.md. Read that file when the navigation tier above is insufficient.
Best Practices
Do's
Start early - Accessibility from design phase
Test with real users - Disabled users provide best feedback