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Stop 19 · Frontend System DesignTopics · 13/13

Performance Architecture

Part of the Frontend Developer Roadmap

In short

Making performance a first-class architectural concern — rendering strategy, code splitting boundaries, and data-fetching patterns chosen upfront rather than patched in later.

How to learn this

  1. 1Decide your rendering strategy (SSR/SSG/CSR) per route before building it, not after.
  2. 2Set a performance budget (e.g. bundle size, LCP target) for the project.
  3. 3Review architectural decisions periodically against real Lighthouse/Web Vitals data.

More topics at this stop

Folder StructureScalable ArchitectureAtomic DesignFeature-based ArchitectureComponent LibraryReusable ComponentsState SeparationAPI LayerCachingError BoundariesMicro FrontendsAccessibility

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