Stop serving unminified CSS — a 2-minute fix for faster pages
Every byte your browser downloads before rendering a page costs time. CSS is one of the biggest culprits — and one of the easiest to fix. What CSS minification actually does Minification strips eve...

Source: DEV Community
Every byte your browser downloads before rendering a page costs time. CSS is one of the biggest culprits — and one of the easiest to fix. What CSS minification actually does Minification strips everything from your stylesheet that the browser doesn't need to parse it: Comments — /* This is a comment */ → gone Whitespace — indentation, blank lines, spaces around { } ; → gone Trailing semicolons — the last ; in a rule block is optional in CSS → gone Here's a before/after on a typical stylesheet: Before (287 bytes): /* Navigation styles */ nav { display: flex; align-items: center; padding: 16px 24px; background: #ffffff; border-bottom: 1px solid #eee; } nav a { color: #333; text-decoration: none; font-weight: 600; } After (122 bytes): nav{display:flex;align-items:center;padding:16px 24px;background:#ffffff;border-bottom:1px solid #eee}nav a{color:#333;text-decoration:none;font-weight:600} Same result in the browser. 57% smaller. Does minifying break anything? No — with one ancient excepti