If your website is a picture station, the home page shows many pictures. Then you will have more images, which will cause slow loading. At this time, there are several solutions. 1. Physical solution: increase the bandwidth of the website+compress the image size; 2. Load js lazily with images. Before the images are loaded, load a buffer image to occupy the space; 3. That is what this article discusses. Use css to add a placeholder; The first thought is to add a box to the outer layer of the picture, and then give the box

Web special effects 2020-04-10 three thousand three hundred and sixty 0 Comments #Css placeholder #Lazy loading #Css background