In the world of Angular, components are the building blocks of any application. Mastering these components is essential for effective development. To start, always follow the structure of a well-defined component by keeping the template, styles, and logic organized. A recommended best practice is to utilize Angular's component lifecycle hooks to manage your component's state effectively. This not only enhances performance but also improves maintainability. Consider creating reusable components that can be shared across various parts of your application to avoid redundancy and save time.

Additionally, best practices include leveraging Angular's Input and Output decorators to facilitate communication between components. This ensures a clean and efficient data flow within your application. When designing components, focus on separating concerns by partitioning logic into services whenever necessary. It's also important to keep your component templates simple and intuitive, making use of Angular's directives to reduce complexity. By following these tips, you'll be well on your way to mastering Angular components and enhancing your overall development process.

Building reusable Angular components is essential for maintaining clean and efficient code. Here are 10 essential techniques to achieve this:

1. Composition over inheritance - Favor building components with composable smaller components instead of relying on a deep inheritance hierarchy.
2. Input and Output properties - Use @Input() and @Output() to pass data and emit events, ensuring your components are flexible and reusable.
3. Avoid hardcoding values - Make use of Configuration Services to define constants externally instead of hardcoding them within your component.

Next, it's crucial to consider the following techniques:

4. Use Angular's Dependency Injection - Leverage Angular's DI to provide services across components without duplicating logic.
5. Styling encapsulation - Utilize Shadow DOM or View Encapsulation to keep styles scoped, preventing conflicts with other components.
6. Document and enforce usage - Creating a clear documentation for component usage helps other developers understand how to implement them correctly.

Optimizing Angular components for performance is essential to ensure a smooth user experience and efficient use of resources. One effective way to start is by employing OnPush change detection strategy. This approach minimizes the number of checks Angular performs when updating the view by only rerendering components that have changed inputs. To implement this, simply add changeDetection: ChangeDetectionStrategy.OnPush in your component's decorator. Additionally, consider utilizing trackBy in your ngFor loops to help Angular efficiently track which items have been added or removed from lists, thus reducing unnecessary DOM manipulations.

Another key aspect of performance optimization involves reducing the size of your bundles. Lazy loading is a powerful technique that allows you to load modules only when needed, which can drastically improve the initial load time of your application. You can enable lazy loading by configuring the router to load feature modules asynchronously. Furthermore, employing Ahead-of-Time (AOT) compilation helps in minimizing the size of the application by compiling your templates at build time rather than runtime, ultimately making your application faster and more efficient.