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