What is lazy loading used for?

When to Use Lazy Loading Applying lazy loading to your page content has many potential advantages: It helps your page load faster . This improves the visitor experience, increases the number of engaged visitors and conversions, and helps your SEO.

Lazy loading is a strategy to identify resources as non-blocking (non-critical) and load these only when needed . It’s a way to shorten the length of the critical rendering path, which translates into reduced page load times.

Overall, websites that use lazy-loading tend to have worse LCP performance . It’s important to point out that these are correlational results and they don’t necessarily point to lazy-loading as being the cause of the slower performance.