How to Improve Performance of Angular Application
Optimizing Performance of Your Angular Application
How to Improve Performance of Angular Application
Improving the performance of an Angular application is crucial for providing a faster and more efficient user experience. This can be achieved by implementing strategies such as lazy loading modules, optimizing bundle sizes, and utilizing Ahead-of-Time (AOT) compilation to reduce load times and speed up rendering. By following best practices and optimization techniques, developers can enhance the overall performance of their Angular applications, resulting in improved user satisfaction and engagement.
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1 - Optimize Angular Modules: Split your Angular application into smaller modules to improve performance during the initialization process. Lazy loading modules can also help reduce the initial load time of the application by loading specific modules only when necessary.
2) Minify and Uglify Code: Use tools like Angular CLI to minify and uglify your code to reduce file sizes and improve loading times.
3) Enable Ahead of Time (AOT) Compilation: AOT compilation converts your Angular HTML and TypeScript code into efficient JavaScript code during build time, improving speed and reducing runtime compilation overhead.
4) Use Tree Shaking: Tree shaking is a technique that eliminates unused code during the build process, resulting in smaller bundle sizes and improved performance.
5) Optimize Images and Assets: Compress images and assets to reduce file sizes and load times in your Angular application.
6) Implement Server side Rendering (SSR): SSR renders your Angular application on the server before serving it to the client, reducing initial loading times and improving SEO performance.
7) Reduce HTTP Requests: Minimize the number of HTTP requests by combining scripts and stylesheets, caching resources, and using a Content Delivery Network (CDN) for faster asset delivery.
8) Use Angular Universal for SEO optimization: Angular Universal helps to improve SEO performance by pre rendering your application on the server, making it more search engine friendly.
9) Implement Change Detection Optimization: Avoid frequent change detection cycles and optimize component rendering by using OnPush change detection strategy and Immutable.js for handling data.
10) Use Angular CLI Performance Budgets: Set performance budgets using Angular CLI to monitor and optimize the size and speed of your application.
11) Implement Progressive Web App (PWA) Capabilities: PWA features like service workers, offline support, and caching mechanisms can improve performance and user experience in Angular applications.
12) Profile and Analyze Performance: Use tools like Chrome DevTools or Angular Performance Profiler to identify performance bottlenecks and optimize your application accordingly.
13) Optimize Angular Animations: Use CSS animations or Angular's animation features judiciously to prevent performance issues, especially on mobile devices.
14) Enable Production Mode: Ensure that your Angular application is running in production mode to benefit from performance optimizations provided by Angular's build process.
15) Regularly Update Angular and Dependencies: Keep your Angular framework and related dependencies up to date to leverage performance improvements and bug fixes introduced in newer versions.
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