Should You Leave PostCSS? 3ms vs 106ms
Lightning CSS 1.33.0 vs PostCSS 8.5.29 + Autoprefixer 10.6.1 + cssnano 6.1.2 on a 76,864-byte CSS fixture: medians 3.16 ms vs 105.75 ms (~33x). Outputs 70498 vs 68474 B. Leave Autoprefixer+cssnano-only stacks for Lightning; keep PostCSS for plugins Lightning does not replace.
5 Oct 20264 min read