How to Audit Your Website for WCAG Accessibility Compliance

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Web Content Accessibility Guidelines (WCAG) 2.1 AA is the current industry standard for website accessibility, with some government sites required to meet WCAG 2.2 AA. A thorough accessibility audit combines automated tools, manual checks, keyboard navigation testing, screen reader evaluation, and real-user testing, since automated tools alone catch only 30–50% of issues. Popular tools include Lighthouse, axe DevTools, and WAVE for automated scanning, while screen readers like NVDA and VoiceOver are used for manual verification. Key areas to test include color contrast ratios, form labels, heading hierarchy, focus management, and modal behavior across devices and zoom levels. Experts recommend embedding accessibility checks throughout the development lifecycle rather than treating it as a final quality-assurance step.

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