Best Accessibility Testing Tools in 2025: axe vs Lighthouse vs Pa11y
September 5, 202410 min readBy VIBEBUFF Team
Accessibilitya11yaxeWCAGTesting
Make your web apps accessible to everyone. Compare automated accessibility testing tools and WCAG compliance.
Accessibility is a Requirement
Over 1 billion people worldwide have disabilities. Accessible websites improve UX for everyone.
Tool Comparison
- axe-core: Industry standard, zero false positives, 80+ rules
- Lighthouse: Built into Chrome, combined performance + a11y audits
- Pa11y: CLI-first, excellent for CI/CD pipelines
- WAVE: Browser extension for quick audits
Common Issues to Fix
- Missing alt text on images
- Poor color contrast (need 4.5:1 ratio)
- Missing form labels
- Keyboard navigation issues
- Missing focus indicators
Explore accessibility tools in our Tools directory.