A faster core for the CSS toolchain
PostCSS,
rebuilt.
🚀 High-performance PostCSS-compatible CSS processor in Go.
Engine comparison
Other CSS engines,
same stylesheet.
Bootstrap 5 CSS, 281 KB, no minification. postcss-go is the Go core; PostCSS and CSSTree build the same PostCSS-shaped parse / walk / stringify workloads.
05 ms10 ms15 ms20 ms
Parse Bootstrap 5 CSS into a PostCSS-shaped AST and print it back, without minification or source maps.
06 ms12 ms18 ms24 ms
Parse, walk every node, then stringify with an empty plugin list.
04 ms8 ms12 ms16 ms
Tokenize and parse into a PostCSS-shaped AST only.