How Retailers Can Fight Against Slowing E-Commerce Sites

Most of the websites tested failed to properly implement image optimization techniques that could make their pages significantly faster. Almost half (43 percent) of the websites failed to implement image compression, a performance technique that minimizes the size (in bytes) of a graphic's file without degrading the quality of the image. Progressive image rendering is another technique that can improve both real and perceived performance, yet two out of three websites in this study didn't use progressive JPEGs.