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Dev.to
7/2/2026
The original title is "Complete guide to Angular lazy loading in 2026"

The original title is "Complete guide to Angular lazy loading in 2026"

Original: Complete guide to Angular lazy loading in 2026

Short summary

Angular lazy loading reduces initial bundle size by 40–60% and improves Time to Interactive using route-level splitting, @defer blocks, and custom preloading strategies. The guide covers standalone components and template-level deferral, with performance data showing 1-second load improvements drive 2–5% conversion gains. Practical patterns for Angular 17+ include loadComponent, selective preloading, and deferring below-the-fold UI elements.

  • Lazy loading cuts Angular bundles by 40–60%, measurably improving user experience and conversions
  • Angular 17+ supports loadComponent for direct component lazy loading and @defer blocks for template-level optimization
  • Custom preloading strategies and selective bundle splitting require minimal setup but deliver significant performance wins

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