JavaScript minification removes unnecessary characters from JavaScript source code without changing its functionality.

This includes:

• Removing whitespace, tabs, and line breaks
• Removing comments
• Shortening variable names (when safe)
• Removing unnecessary semicolons
• Optimizing boolean expressions

Benefits:

• Reduced file size for faster downloads
• Improved website performance
• Reduced bandwidth usage
• Better user experience
• Improved SEO through faster loading times