The latest HTTP version using QUIC (UDP-based) transport for reduced connection latency and better mobile performance.

HTTP/3 — Glosarium — Peasy Image

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Code http/3 removes whitespace, comments, shortens variable names (in JS), and applies optimizations like dead code elimination. JavaScript minifiers (Terser, esbuild) can reduce file size by 40-70%. CSS minifiers merge duplicate rules, shorten color values (#ffffff → #fff), and remove redundant units (0px → 0). Combined with Brotli compression, minified assets achieve total size reductions of 80-90%. Source maps (.map files) enable debugging minified code by mapping back to original sources.

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```javascript
// Simple CSS minifier
function minifyCSS(css) {
  return css
    .replace(/\/\*[\s\S]*?\*\//g, '')  // remove comments
    .replace(/\s+/g, ' ')                // collapse whitespace
    .replace(/\s*([{};:,])\s*/g, '$1')   // remove around symbols
    .trim();
}
// 1024 bytes → 612 bytes (40% reduction)
```

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HTTP/3

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