Angular FAQ: Top Questions
50. How to optimize Angular applications for performance?
- Use
OnPush
change detection to reduce checks. - Lazy load feature modules.
- Avoid unnecessary DOM manipulation and event listeners.
- Use trackBy in
*ngFor
to minimize re-rendering. - Enable AOT compilation for production builds.
- Minimize bundle size with Angular CLI and Webpack optimizations.
ng build --prod --aot --optimization
Tools like Lighthouse and Angular DevTools help profile and monitor performance.