How to Improve Website speed
Images often account for most of the downloaded bytes on a page. As a result, optimizing images can often yield some of the largest byte savings and performance improvements: the fewer bytes the browser has to download, the less competition there is for the client’s bandwidth and the faster the browser can download and render content on the screen.
- Use Gif instead of Flash, Optimize the size of images.
- JPEG uses a combination of lossy and lossless optimization to reduce filesize of the image asset.
- CDNs provide image optimization as a service, including JPEG XR and WebP delivery.