[Solved] You wrote a custom preloading strategy but modules never preload. What is a likely cause? — Ans: You forgot to provide the strategy in RouterModule.forRoot. | Angular

Angular - Performance Optimization

You wrote a custom preloading strategy but modules never preload. What is a likely cause?

AYou forgot to provide the strategy in RouterModule.forRoot.

BYou used PreloadAllModules instead of your custom strategy.

CYou set preloadingStrategy to NoPreloading.

DYou imported RouterModule without routes.

Step-by-Step Solution

Solution:

Step 1: Check how custom strategy is registered
Custom strategies must be provided in RouterModule.forRoot's preloadingStrategy option.
Step 2: Identify missing provider
If you forget to set preloadingStrategy to your custom class, Angular won't use it.
Final Answer:
You forgot to provide the strategy in RouterModule.forRoot. -> Option A
Quick Check:
Custom strategy must be set in forRoot [OK]

Quick Trick: Always set your custom strategy in forRoot preloadingStrategy [OK]

Common Mistakes:

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You wrote a custom preloading strategy but modules never preload. What is a likely cause?