performance

# Angular Performance Skill

## Overview
Optimize Angular applications for maximum performance through change detection strategies, lazy loading, and bundle optimization techniques.

## Topics Covered

### Change Detection
- OnPush change detection strategy
- ChangeDetectorRef usage
- Zone.js optimization
- Zoneless Angular applications
- Immutable data patterns

### Bundle Optimization
- Tree shaking effectiveness
- Code splitting strategies
- Lazy loading modules
- Preloading strategies
- Bundle analyzer usage

### Runtime Performance
- TrackBy for ngFor
- Virtual scrolling
- Debouncing and throttling
- Memory leak prevention
- Web Workers usage

### Build Optimization
- Production builds
- AOT compilation benefits
- Differential loading
- Source map strategies
- Compression techniques

## Prerequisites
- Angular Core fundamentals
- Module architecture
- Browser DevTools familiarity

## Learning Outcomes
- Implement OnPush change detection
- Optimize bundle sizes
- Profile and fix performance issues
- Build highly performant applications