Blog
-
How to Remove Unused CSS: PurgeCSS, UnCSS, and Tree-Shaking
Remove unused CSS from your stylesheets using PurgeCSS, Tailwind's built-in purging, UnCSS, and webpack tree-shaking. Reduce CSS file size by up to 95%.
-
How to Minify CSS: Every Method Explained
Minify CSS files using online tools, build tools (webpack, Vite, Gulp), npm packages (cssnano, clean-css), and CLI commands. Covers all major workflows.
-
Minify CSS in webpack, Vite, and Rollup
Set up CSS minification in webpack 5, Vite, and Rollup. Covers CssMinimizerPlugin, cssnano, lightningcss, and production build configuration.
-
Critical CSS: What It Is and How to Implement It
Critical CSS inlines above-the-fold styles to eliminate render-blocking CSS. Learn how to extract critical CSS with automated tools and integrate it into your build pipeline.
-
CSS Optimization Techniques: A Practical Guide
A practical guide to CSS performance: minification, critical CSS, unused CSS removal, efficient selectors, custom properties, and modern techniques for faster rendering.
-
CSS File Too Large? How to Diagnose and Fix It
Debug an oversized CSS bundle: find unused styles with Chrome Coverage, identify bloated selectors, tree-shake framework CSS, and measure the real impact.