Back to writing

July 10, 2024 6 min read

Accessibility in Web Applications: A Developer's Guide

AccessibilityWCAGInclusive Design

Accessibility in Web Applications: A Developer's Guide


Accessibility ensures your applications are usable by everyone, regardless of their abilities.


Why Accessibility Matters


  • Legal compliance (WCAG)
  • Broader user base
  • Better SEO
  • Improved UX for all users

  • Key Principles


    Perceivable

    Information must be presentable to users in ways they can perceive.


    Operable

    Interface components must be operable by all users.


    Understandable

    Information and UI operation must be understandable.


    Robust

    Content must be robust enough for various assistive technologies.


    Implementation


    Semantic HTML

    Use proper HTML elements for their intended purpose.


    ARIA Labels

    Use ARIA attributes when HTML isn't sufficient.


    Keyboard Navigation

    Ensure all functionality is accessible via keyboard.


    Screen Reader Support

    Test with screen readers and ensure proper announcements.


    Testing Tools


  • axe DevTools
  • WAVE
  • Lighthouse
  • Manual testing

  • Conclusion


    Accessibility should be built in from the start, not added as an afterthought. Make it part of your development process.

    Dibyan Maharjan | Frontend Engineer