Vendor Chunking: The React Optimization I Wish I'd Known Earlier (opens in new tab)

I ignored my bundle size for months. By the time I checked, my production build was several megabytes of JavaScript in a single file — and every deploy forced my users to download all of it again. Vendor chunking is what I wish I'd known earlier. Let's say you are building a project using React, and for that project you need some component library, a library to handle date-related things, or a library to handle your state. So you reach for the usual suspects — Material UI, dayjs, TanStack Que...