How to Minify CSS and JavaScript in WordPress?

Minifying means cleaning your CSS and JavaScript files to make them lightweight. In WordPress, themes and plugins often load large files with extra formatting, spaces, and comments that browsers don’t need.

Minification improves speed because:

• Files become smaller
• Browsers download them faster
• Page loads quicker for users

Here are the main ways to do it:

• Use caching/optimization plugins:
  Plugins like WP Rocket, LiteSpeed Cache, or Autoptimize can automatically minify CSS and JS files.
• Enable built-in optimization settings:
  Most modern caching plugins have simple toggles for “Minify CSS” and “Minify JavaScript.”
• Combine files (if needed):
  Some tools also combine multiple CSS/JS files into one to reduce requests.
• Remove unused scripts:
  Disable scripts from plugins or themes that you are not using.