Lazy loading is a technique used to improve the speed and performance of a website by only loading resources when they are needed. This will reduce the initial load time of a page, improving the user experience and potentially increasing conversions.

There are several ways to implement lazy loading on a website, but the most common method is to use JavaScript to only load images or other media when they are visible in the viewport. This means that when a user first lands on a page, only the resources that are immediately visible are loaded. As the user scrolls down the page, more resources are loaded as they come into view.

Lazy loading can be applied to a variety of different types of resources, including images, videos, and even entire sections of a page. This can be especially useful for websites that have a lot of large images or videos that take a long time to load.

In order to [implement lazy loading on a website](https://searchaudits.com), you will need to use JavaScript and a library such as Intersection Observer API, LazySizes or Lozad.js. These libraries make it easy to implement lazy loading on a website, and they also provide a number of additional features and options, such as the ability to preload resources or to customize the loading behavior based on the user's connection speed.

Lazy loading is a powerful technique that can significantly improve the speed and performance of a website. By only loading resources when they are needed, it can greatly reduce the initial load time of a page, improving the user experience and potentially increasing conversions. Implementing lazy loading on a website requires JavaScript and a library such as Intersection Observer API, LazySizes or Lozad.js, be aware of the cons as well and decide if it's the best solution for your website.