Because a lot of pictures are used, the page opens very slowly. How can we optimize it well?
The page has two parts: PC and mobile. The main reason is that the PC is very laggy
Lazy loading of images: https://www.w3cways.com/1765...., or CSS Sprite
Save pictures to cdn
Lazy loading of pictures
Put the image into the target-src attribute and then modify the src attribute after onload to achieve asynchronous loading~ This is one of the solutions
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Lazy loading of images: https://www.w3cways.com/1765....,
or CSS Sprite
Save pictures to cdn
Lazy loading of picturesPut the image into the target-src attribute and then modify the src attribute after onload to achieve asynchronous loading~ This is one of the solutions