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Accessibility Checklist

07. 07. 2025 1 min read intermediate

Web accessibility is not a nice-to-have — it’s a necessity (and a legal requirement in the EU).

Structure

  • ☐ Semantic HTML elements (nav, main, article)
  • ☐ Proper heading hierarchy (h1→h2→h3)
  • ☐ Skip to content link
  • ☐ Page language (lang attribute)
  • ☐ Descriptive page titles

Images and Media

  • ☐ Alt text on images
  • ☐ Decorative images have alt=”“
  • ☐ Video has captions
  • ☐ Audio has transcript
  • ☐ Keyboard navigable (Tab, Enter, Escape)
  • ☐ Visible focus indicator
  • ☐ Logical focus order
  • ☐ No keyboard traps

Forms

  • ☐ Labels connected to inputs
  • ☐ Descriptive error messages
  • ☐ Required fields marked
  • ☐ Autofill hints (autocomplete attribute)

Colors and Contrast

  • ☐ Contrast ratio ≥ 4.5:1 (text)
  • ☐ Information not conveyed by color alone
  • ☐ Dark mode support
  • ☐ Respects prefers-reduced-motion

Testing

  • ☐ axe DevTools extension
  • ☐ Screen reader test (VoiceOver/NVDA)
  • ☐ Keyboard-only navigation test
  • ☐ Lighthouse accessibility audit

Legislation

The European Accessibility Act applies from 2025. Accessibility is not optional.

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