#Webpack

Imported one lodash function but got the entire library in my bundle. Making tree shaking actually work requires understanding ES modules.

2MB bundle meant 5-second initial load. Lazy loading and code splitting load only what's needed, cutting it to 2 seconds.

Every new feature bloats your JS bundle. Learn practical Code Splitting, Tree Shaking, and Dynamic Import techniques to keep your app fast and lightweight.

You changed the code, saved it, but the browser does nothing. Tired of hitting F5 a million times? We dive into how HMR (Hot Module Replacement) works, why it breaks (circular dependencies, case sensitivity, etc.), and how to fix it so you can regain your development speed.