Would still be good to have for when a “web designer” saves a full-Res 5k-px on their Mac and then scales it using css width/height. Painful to watch the image

Would still be good to have for when a “web designer” saves a full-Res 5k-px on their Mac and then scales it using css width/height. Painful to watch the image slowly load on a less-than-50Mbps link.