Answer
Preloading loads lazy-loaded modules in the background after the main app loads.
Benefits include faster navigation and balanced app performance.
Angular provides built-in strategies like PreloadAllModules and supports custom strategies.
Quick Answer
Preloading strategies load lazy modules in the background after the initial app loads, so navigation feels instant. PreloadAllModules: preloads all lazy modules after init. Custom strategy: implement PreloadingStrategy to selectively preload (e.g., preload based on user role or flag). QuicklinkStrategy preloads modules for routes visible in viewport. Balance between initial load and preload bandwidth usage.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ