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WCAG 2.1 AA Compliance Automation
4.1The StandardThe Web Content Accessibility Guidelines (WCAG) 2.1 at the AA conformance level is the standard that most laws reference. It defines…4.2What Can Be Automated vs What CannotAutomated tools catch the "is it present?" questions. Humans (or AI agents) must answer the "is it correct?" questions.4.3WCAG 2.1 AA Success Criteria Overview4.4Building an Accessibility Testing StrategyRun axe-core or similar tools on every page during every PR. This catches the 30-40% of issues that are detectable by rule-based scanning.4.5Quick Wins: Most Common WCAG ViolationsThese five violations account for the majority of accessibility failures found in automated scans:4.6Integrating Compliance Checks into Your WorkflowBefore code even reaches CI, lint HTML templates for common violations:4.7Mapping WCAG to Test TypesThis mapping helps teams decide where to invest automation effort and where human judgment is irreplaceable.