How does Autoptimize + ShortPixel AI + CDN work?
Once you installed Autoptimize on your website and turned on the Image Optimization setting,
the URLs of your website's images will be changed to point to the ShortPixel CDN.
For example, the image instead of being loaded from your host
it will be optimized and resized on the fly, and then quickly loaded via CDN from a URL like this one: