What is lazy loading and how does it affect Core Web Vitals?

What is lazy loading and how does it affect Core Web Vitals?

Lazy loading is a design pattern that delays the loading of non-essential resources until they are needed. This can improve Core Web Vitals by reducing initial load times and improving user experience.

Can you explain how lazy loading specifically impacts LCP?

Lazy loading can significantly improve Largest Contentful Paint (LCP) by ensuring that only the most critical content is loaded first, allowing users to see the main content faster.

Are there any downsides to using lazy loading?

Yes, if not implemented correctly, lazy loading can lead to issues like content not being loaded when users scroll, which can negatively impact user experience.

What are some best practices for implementing lazy loading?

Best practices include using the loading attribute for images, ensuring that critical resources are prioritized, and testing performance regularly.