Web Accessibility in React: Semantic HTML, ARIA, Focus Management, and axe Testing

Based on the content provided, here are key takeaways for building accessible React applications:

1. Semantic HTML: Use appropriate HTML tags like <header>, <nav>, <main>, <footer> to provide structure and meaning to your web pages.

2. ARIA Labels: Properly use ARIA attributes such as aria-label and role to enhance accessibility for screen readers and other assistive technologies.

   • Example: <button aria-label="Close modal">X</button>

3. Focus Management:

   • Ensure that focus is managed properly, especially in modals or dialogs.
   • Use the tabIndex attribute to control tab order.

4. Color Contrast:

   • Ensure sufficient color contrast for text (WCAG AA requires 4.5:1 for normal text and 3:1 for large text).
   • Avoid using color alone to convey information; use additional visual cues like icons or text labels.

5. Automated Testing:

   • Use tools like jest-axe with @axe-core/react to automatically check your components for accessibility issues during testing.
   • Integrate these checks into CI pipelines to catch regressions early

Read the full article at DEV Community

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