Jingdong Tmall Homepage - Lazy Loading Technology Implementation

Large pages like JD.com and Tmall's homepage contain many large images. Delayed loading of images in long pages can speed up page loading. The browser will enter the ready state after loading the visible images. In some cases, it can also help reduce Server Load.

Lazy Load (jquery.lazyload.js) is a jQuery plugin written in JavaScript. It can lazily load images in long pages. Images outside the browser's visible area will not be loaded until the user loads the page Scroll to where they are. This is the opposite of how image preloading is handled.


jQuery lazy loading (lazy loading) plugin – jquery.lazyload.js

javascript image lazy loading and preloading analysis