What are the common mistakes in lazy loading?

What are the common mistakes in lazy loading?

Some common mistakes include not loading images properly, failing to implement placeholders, and not considering user experience.

Can you explain why placeholders are important?

Placeholders improve user experience by providing a visual cue that content is loading, reducing perceived wait time.

What are some best practices for implementing lazy loading?

Best practices include using the Intersection Observer API, optimizing images, and ensuring that critical content loads first.

How can I test if lazy loading is working correctly?

You can use browser developer tools to monitor network requests and check if images load only when they come into view.