: Images "below-the-fold" are only fetched if the user scrolls near them.
Traditionally, browsers load every image on a page as soon as it is opened, which can slow down the initial page load and waste data for images the user never sees. Lazy loading solves this by: <img data-lazy-fallback="1" src="//alltorrents....
For more technical details on implementation, you can explore the MDN Web Docs on Lazy Loading or web.dev's guide to browser-level lazy loading . : Images "below-the-fold" are only fetched if the