Common Accessibility (a11y) Standards Priority: P1 (OPERATIONAL) Legal req: EU (Web Accessibility Directive), USA (ADA/Section 508). Non-compliance = litigation risk. Minimum: WCAG 2.2 Level AA . 🏗 Semantic HTML First - Use native HTML before ARIA. , , , , , , convey semantics natively. - Never / for interactive elements — no keyboard role by default. - Headings ( – ) must form logical outline. One per page. - not , not . 🎭 ARIA — Use Sparingly ARIA supplements native HTML when insufficient (e.g., custom widgets). Rules: 1. No ARIA Bad ARIA : If native HTML works, use it. ARIA only adds rol…