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Deekshith Raj Basa 🔥
Deekshith Raj Basa 🔥

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Improving Angular App Performance

Improving Angular App Performance: Profiling and Code Optimization Strategies

A blazing-fast Angular application is the backbone of a great user experience. But as features grow, performance bottlenecks can creep in.

1. Profiling:

Embrace the Angular Profiler: This built-in tool helps pinpoint sluggish components and exposes the change detection cycle for scrutiny.

Chrome DevTools to the Rescue: Dive deeper with Chrome DevTools. Analyze network requests, JavaScript execution times, and identify performance drains.

https://angular.io/guide/devtools#profile-your-application

2. Change Detection Optimization:

OnPush for Efficiency: Implement the OnPush change detection strategy in components with minimal updates. This minimizes unnecessary checks, boosting performance.

trackBy for ngFor Finesse: When using ngFor for lists, leverage the trackBy function. This optimizes how Angular tracks list items, preventing needless re-renders.

https://angular.io/guide/change-detection

3. Bundle Size Reduction:

AOT Compilation for the Win: Enable Ahead-of-Time (AOT) compilation. This generates smaller, optimized JavaScript bundles, leading to faster loading times.

Tree-Shaking Magic: Utilize tree-shaking, a process that intelligently removes unused code from your final build. This keeps your app lean and mean.

https://medium.com/front-end-weekly/optimize-angular-bundle-size-f5392f0ae947

https://angularindepth.com/posts/1217/how-to-reuse-common-layouts-in-angular-using-router

angular #performance #optimization #webdev #softwareengineering #js

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