• Localhost sercer bnaya
• local build bnaya
• image ko optimize krega
• caching kreag(cache parcel me dekho) for faster reload
• automatic reloading throuh HMR = Hot Module Reload
• fuinal production build ka size km kreaga
• compress , optimization sab krta h (Beast hora h humari jaan ko)
• differential Bundler : Har browser ke version ke hisaab se sabke alag bundle bnaega
• Error Handling

//we are going to make a food delivery app so first of all a skeleton /**

• header

•  logo
  

•  navitems
  

•          home about cart
  

• body

•  search bar
  

•  rest-container
  

• footer

•  bkwas
  

*/

• CLient Side Routing vs Server Side Routing