- Dev Build
- Zero Config
- Local Server (Dev Server)
- HMR - Hot module replacement (Hot Reloading)
- File watching Algorithm - written in C++
- Reliable Caching - faster build
- Image Optimization - In production
- Minification - In production
- Bundling
- Compress
- Consistent Hashing
- Code Splitting
- Differencial Buindling - to support older browser
- Diagnostics (It diagnoses the root cause of app failure or error and display this error beautifully on UI)
- Good Error Handling (Display a very well form error on UI as well along with console error)
- Provides HTTPs support
- Tree shaking - eleminate/remove unused code
- Different dev and prod bundles