Angular is a popular JavaScript framework for building dynamic and interactive web applications. With its rich set of features, it allows developers to create complex and highly scalable applications with ease. However, without following best practices, your application can become difficult to maintain and may suffer from performance issues. Here are some of the best practices that you should follow when developing an Angular application:

1. Modular Architecture

Divide your application into smaller, manageable and reusable modules. Each module should have its own responsibility and communicate through services.

2. Lazy Loading

Lazy loading helps in reducing the initial loading time of the application by loading only the necessary parts of the application as they are needed. This improves the overall performance of the application.

3. Use Angular CLI

Angular CLI is a command line interface tool that helps in creating, building and deploying Angular applications. It also provides features such as generating components, services, and modules with just a few commands.

4. Use of Reactive Forms

Reactive Forms provide a reactive approach to handling form inputs and validation. They are more efficient and scalable than template-driven forms.

5. Use of Observables

Observables are a powerful way to handle asynchronous data streams in Angular. They allow you to handle multiple events and data streams in a single subscription, leading to a cleaner and more efficient code.

6. Components Communication

Components should communicate with each other through a shared service, rather than directly. This helps to maintain a clear separation of concerns and improves maintainability.

7. Use of AOT Compilation

Ahead-of-Time (AOT) compilation compiles Angular components into efficient JavaScript during the build process, improving the performance of the application.

If you want users to like your software, you should design it to behave like a likable person...and via Angular it is possible.

In conclusion, by following these best practices, you can build scalable, efficient, and maintainable Angular applications. These best practices ensure that your code is clean, organized, and optimized for performance, making it easier to maintain and scale over time.