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What is the main purpose of preloading strategies in Angular?

easy📝 Conceptual Q11 of 15
Angular - Performance Optimization
What is the main purpose of preloading strategies in Angular?
ATo load lazy modules in the background to improve navigation speed
BTo prevent any modules from loading until explicitly requested
CTo compile all modules at build time for faster startup
DTo automatically update Angular to the latest version
Step-by-Step Solution
Solution:

  1. Step 1: Understand lazy loading in Angular

    Lazy loading delays loading modules until needed, which can slow navigation initially.

  2. Step 2: Role of preloading strategies

    Preloading strategies load lazy modules in the background after app startup to speed up future navigation.

  3. Final Answer:

    To load lazy modules in the background to improve navigation speed -> Option A

  4. Quick Check:

    Preloading = background loading for faster navigation [OK]
Quick Trick: Preloading means loading modules quietly before needed [OK]
Common Mistakes:
  • Confusing preloading with eager loading
  • Thinking preloading disables lazy loading
  • Assuming preloading updates Angular versions

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