Agent skill · operations · proffesor-for-testing
accessibility-testing
WCAG 2.2 compliance testing, screen reader validation, and inclusive design verification. Use when ensuring legal compliance (ADA, Section 508), testing for disabilities, or building accessible applications for 1 billion disabled users globally.
Why this skill is useful
Provides specific WCAG 2.2 compliance testing patterns and automated testing scripts that enhance accessibility validation capabilities.
What it needs
About 4k tokens when loaded. Last updated 2026-08-06. 434 stars on the source repository.
What this skill does
Accessibility Testing Consolidated: For comprehensive WCAG auditing with multi-tool testing (axe-core + pa11y + Lighthouse), video accessibility, and remediation, prefer /a11y-ally. This skill provides a quick reference card for basic accessibility testing patterns. Browser engine Browser-driven a11y checks should go through the qe-browser fleet skill. vibium a11y-tree --json returns the full accessibility tree without visual rendering — feed it into axe-core via vibium eval --stdin for ruleset enforcement. See .claude/skills/qe-browser/SKILL.md. <defaulttoaction> When testing accessibility or ensuring compliance: 1. APPLY POUR principles: Perceivable, Operable, Understandable, Robust 2. TEST with keyboard-only navigation (Tab, Enter, Escape) 3. VALIDATE with screen readers (VoiceOver, NVDA, JAWS) 4. CHECK color contrast (4.5:1 for text, 3:1 for large text) 5. AUTOMATE with axe-core, integrate in CI/CD pipeline Quick A11y Checklist: All images have alt text (or alt="" for decorative) All form fields have labels Color is never the only indicator Focus visible on all interactive elements Keyboard navigation works throughout Critical Success Factors: Automated testing catches 30-50% of issues Manual testing with real assistive tech required Include users with disabilities in testing </defaulttoaction> Quick Reference Card When to Use Legal compliance (ADA, Section 508, EU Directive) New feature development Before release validation Accessibility audits WCAG 2.2 Levels Level Requirement Target ------- ------------- -------- A Basic accessibility Minimum legal AA Standard (most orgs) Industry standard AAA Enhanced Specialized sites POUR Principles Principle Meaning Key Tests ----------- --------- ----------- Perceivable Can perceive content Alt text, contrast, captions Operable Can operate UI Keyboard, no seizures, navigation Understandable Can understand Clear labels, predictable, errors Robust Works with assistive tech Valid HTML, ARIA Color Contrast Requirements Conte …
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills proffesor-for-testing/accessibility-testing