Also CORS: you can hotlink images from everywhere, but if you try to actually put those bits in a Buffer (as you'd need with BPG) the browser won't let you unle

Also CORS: you can hotlink images from everywhere, but if you try to actually put those bits in a Buffer (as you'd need with BPG) the browser won't let you unless CORS is properly set up for the specific source-target URLs (affects things like image CDNs and so on).