Developer Glossary & Guide
CSS Purging (Tree Shaking)
CSS purging is a modern build optimization technique that scans HTML, templates, and JavaScript files to identify which CSS classes are actually used, stripping all unused CSS rules from the final production stylesheet.
Technical Explanation & Importance
CSS frameworks like Tailwind and Bootstrap include thousands of utility classes that can bloat stylesheets to 3MB+. CSS purging reduces production stylesheet sizes from 3MB down to just 10KB to 20KB, vastly accelerating initial page render times.
Key Engineering Takeaway
Understanding CSS Purging (Tree Shaking) is critical for engineering production-grade, bloat-free websites. All Wefik themes, plugins, and templates implement these standards natively.
