Accessibility Test Scanner Overview Validate web applications against WCAG 2.1/2.2 accessibility standards covering perceivability, operability, understandability, and robustness. Combines automated scanning with axe-core, Pa11y, and Lighthouse accessibility audits alongside manual validation checklists for keyboard navigation, screen reader compatibility, and color contrast. Prerequisites - Accessibility testing library installed (axe-core, @axe-core/playwright, Pa11y, or Lighthouse CI) - Browser automation tool (Playwright or Puppeteer) for rendering pages - Application running and accessib…