How can I implement lazy loading in my web application?

How can I implement lazy loading in my web application?

Lazy loading is a design pattern that postpones loading non-essential resources until they're needed. You can use libraries like Intersection Observer or specific frameworks that support lazy loading.

What libraries do you recommend for lazy loading images?

I recommend using libraries like Lozad.js, LazyLoad.js, or the native lazy loading feature in modern browsers by adding the 'loading="lazy"' attribute to your image tags.

Are there any performance benefits to using lazy loading?

Yes, lazy loading can significantly improve your web app's performance by reducing initial load time and saving bandwidth, especially for image-heavy pages.

Can lazy loading affect SEO?

If implemented correctly, lazy loading won't negatively impact SEO. However, ensure that search engines can still access your content by using proper techniques.

What are some common mistakes to avoid when implementing lazy loading?

Common mistakes include not testing across different devices, failing to provide fallbacks for older browsers, and not optimizing images properly.