Description

Introduction of Advanced Angular Optimization

Optimizing Angular applications is essential for improving performance, scalability, and user experience. This training focuses on advanced techniques for fine-tuning Angular performance, covering change detection strategies, lazy loading, on-demand rendering, Web Workers, and optimization techniques to build highly efficient Angular applications.

Prerequisites

• Strong understanding of Angular and TypeScript
• Familiarity with Angular components, services, and directives
• Experience with RxJS, Change Detection, and State Management
• Basic knowledge of JavaScript performance profiling tools

Table of Contents

1. Understanding Angular Performance Bottlenecks

1.1 Why Performance Optimization Matters in Angular
1.2 Common Performance Bottlenecks in Angular Applications
1.3 Measuring Performance: Chrome DevTools, Lighthouse, and Web Vitals
1.4 Identifying and Analyzing Slow Components

2. Optimizing Change Detection in Angular

2.1 How Angular’s Change Detection Works
2.2 OnPush Change Detection Strategy for Improved Performance
2.3 Using trackBy to Optimize ngFor Loops
2.4 Avoiding Unnecessary Component Re-renders
2.5 Hands-On: Implementing OnPush Strategy for an Optimized Component

3. Efficient Data Binding and Rendering Strategies

3.1 Reducing Unnecessary DOM Manipulations
3.2 One-Time Binding for Static Content
3.3 Optimizing Two-Way Data Binding
3.4 Using Pure Pipes vs. Impure Pipes
3.5 Hands-On: Implementing Efficient Data Binding Strategies

4. Lazy Loading and Code Splitting

4.1 Introduction to Lazy Loading in Angular Modules
4.2 Code Splitting Using Webpack for Faster Load Times
4.3 Preloading Strategies: Lazy vs. Eager Loading
4.4 Hands-On: Implementing Lazy Loading in Large-Scale Applications

5. Reducing Bundle Size for Faster Performance

5.1 Analyzing Bundle Size with Angular CLI and Source Maps
5.2 Removing Unused Dependencies and Dead Code Elimination
5.3 Minifying and Tree Shaking with Webpack
5.4 Using ESBuild for Faster Builds
5.5 Hands-On: Reducing Bundle Size in an Angular Project

6. Optimizing HTTP Requests and API Calls

6.1 Reducing API Calls Using Caching Strategies
6.2 Using RxJS Operators (debounceTime, switchMap, takeUntil)
6.3 Prefetching Data for Faster Rendering
6.4 Implementing Efficient Pagination and Infinite Scrolling
6.5 Hands-On: Improving API Performance with RxJS and Caching

7. Web Workers and Background Processing

7.1 Introduction to Web Workers in Angular(Ref: Managing State in Angular Applications)
7.2 Offloading Heavy Computations to Web Workers
7.3 Implementing Web Workers in Angular Applications
7.4 Hands-On: Improving Performance with Web Workers

8. Angular Universal and Server-Side Rendering (SSR)

8.1 Benefits of Server-Side Rendering for Performance
8.2 Setting Up Angular Universal for SSR
8.3 Pre-rendering Static Pages for Faster Load Times
8.4 Hands-On: Implementing Angular Universal for Faster Initial Load

9. Memory Management and Performance Profiling

9.1 Detecting Memory Leaks in Angular Applications
9.2 Profiling Performance Using Chrome DevTools and NGX Tools
9.3 Handling Large Datasets Efficiently with Virtual Scrolling
9.4 Best Practices for Efficient Garbage Collection
9.5 Hands-On: Identifying and Fixing Memory Leaks in Angular

10. Best Practices for Angular Performance Optimization

10.1 Component-Level Optimization Techniques
10.2 Best Practices for Using RxJS Efficiently
10.3 Optimizing Animations and CSS for Performance
10.4 Leveraging Service Workers for Offline Performance
10.5 Hands-On: Implementing a Performance-Tuned Angular App

Conclusion

This training equips developers with advanced optimization techniques to enhance Angular application performance. By mastering change detection, lazy loading, Web Workers, SSR, and memory management, participants will be able to build high-performance, scalable Angular applications.

Reference