What are some effective lazy loading techniques for MVC applications?

What are some effective lazy loading techniques for MVC applications?

Lazy loading is a design pattern that delays the loading of resources until they are needed. In MVC applications, you can implement lazy loading using techniques like virtual scrolling, image lazy loading, and asynchronous data fetching.

Can you explain how virtual scrolling works?

Virtual scrolling only renders the items in the viewport, which improves performance by reducing the number of DOM elements. As the user scrolls, new items are loaded dynamically.

What about image lazy loading? How does that work?

Image lazy loading defers the loading of images until they are about to enter the viewport. This can be achieved using the 'loading' attribute in HTML or JavaScript libraries that handle the loading process.

Are there any libraries you recommend for implementing these techniques?

Yes, for virtual scrolling, you can use libraries like React Virtualized or Angular CDK. For image lazy loading, consider using LazyLoad.js or the native 'loading' attribute.