Phase 16 · Performance

Topics

Code Splitting

Part of the Frontend Developer Roadmap.

Summary

The broader practice — of which bundle/route splitting are techniques — of dividing your app's code into smaller pieces loaded only when needed.

How to Learn This

  • 1Identify 2-3 natural split points in an app (routes, modals, heavy widgets).
  • 2Compare initial bundle size before and after splitting them out.
  • 3Learn the difference between route-based and component-based code splitting.
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