Answer
Browser compatibility means making important features work across the browsers you support. • Use standard HTML, test real browsers, add fallbacks, and check support before using new features. • Prefer native HTML elements before adding custom scripted behavior. • Test the result with a keyboard, a small screen, and browser developer tools.
💡 Simple Example
<video controls>Download the <a href="movie.mp4">video</a>.</video>
⚡ Quick Revision
Use standards, testing, and fallbacks for reliable browser support.