Building scalable applications with Angular requires adhering to certain best practices to enhance performance and maintainability. One crucial practice is to leverage Angular's modular architecture. By organizing the application into feature modules, developers can ensure that the codebase remains clean and can easily accommodate future growth. Additionally, utilizing lazy loading for these modules can significantly improve the application's loading time and optimize resource usage, especially for larger applications. This not only contributes to a faster user experience but also helps in managing the overall application scalability.

Another key practice is to adhere to the DRY (Don't Repeat Yourself) principle by creating reusable components, services, and pipes. This not only reduces code duplication but also simplifies maintenance and updates across the application. Furthermore, implementing state management using libraries like NgRx or Akita can help manage the application state in a predictable manner, making it easier to debug and test. By following these top 10 Angular best practices, developers can create robust and scalable applications that stand the test of time.

Building a robust Angular application requires careful planning and execution. Start by setting up a solid architecture that adheres to best practices, such as following the Angular Style Guide. Organize your application into modules for better manageability and scalability. This modular approach not only promotes code reuse but also enhances team collaboration. To ensure your application remains maintainable, adopt a consistent naming convention and structure your components logically. Once your architecture is in place, leverage Angular's powerful APIs like Reactive Forms and Dependency Injection to facilitate a clean and efficient development process.

Next, focus on optimizing the performance of your Angular application. Implementing techniques such as Lazy Loading can significantly improve the initial loading time by loading modules only when needed. Additionally, make use of Change Detection Strategy and leverage Angular's built-in features like TrackBy for efficient rendering of lists. Don't forget to set up proper error handling and logging to maintain a robust user experience. By following these steps diligently, you can build an Angular application that is not only functional but also highly performant and easy to scale as your user base grows.

When diving into Angular development, it's crucial to be aware of common pitfalls that can hinder your project. One of the most frequently encountered mistakes is neglecting the use of Angular's dependency injection. Many beginners opt for traditional methods of creating instances, which can lead to tightly coupled code and make testing a nightmare. To prevent this, always use Angular's built-in services to manage dependencies. Additionally, avoid using the any type excessively, as it can create confusion and reduce the benefits of TypeScript's strong typing.

Another common mistake is poor change detection management. Developers often overlook the importance of understanding how Angular's change detection mechanism works, leading to performance issues. To avoid this, take the time to familiarize yourself with the OnPush strategy, which can significantly enhance your application's efficiency. Furthermore, remember to use trackBy with *ngFor when rendering lists, as this will help Angular determine which items have changed, added, or removed, optimizing the rendering process.