Write and test HTML, CSS, and JavaScript code live. Resize input windows for better visibility.
Write Clean Code: Keep your HTML, CSS, and JavaScript structured and readable. Proper indentation and comments help in debugging and collaboration.
Use Responsive Design: Ensure your CSS adapts to different screen sizes. Use flexbox, grid, and media queries for a seamless experience.
Optimize Performance: Minimize unnecessary scripts and styles. Use external files for CSS/JS and leverage browser caching for faster load times.