Optimizing CSS is crucial for enhancing website performance and user experience. Here are key strategies to master:

✅ 1. Minify CSS Code

  • Remove unnecessary spaces, comments, and line breaks
  • Use tools like CSSNano or Clean-CSS
CSS Minification

📦 2. Reduce HTTP Requests

  • Combine multiple CSS files into one
  • Use CSS sprites for icons/buttons
  • Leverage CDN for critical stylesheets

📈 3. Optimize Load Performance

  • Place critical CSS in the <head>
  • Defer non-essential styles
  • Enable compression (e.g., Gzip or Brotli)
CSS Performance

🔄 4. Avoid Unused Styles

🌐 5. Use Efficient Selectors

  • Prioritize IDs over classes
  • Avoid excessive nesting
  • Example: 
    .nav a { color: #000 }  /* Better than #nav a */

For deeper insights, check our Performance Tips guide.

CSS Optimization