Mr Lucky
Well-known member
It surprises me when I find users on 5 year old OS/browsers but usually it's because they have some piece of Software that needs the old browser. On user I have has an old version of Photoshop, and won't upgrade the OS because then he'd have to get a subscription. I suggested Affinity Photo to solve the issue (it's better than PS anyway)he said roughly 10 percent of his visitors are using mac os 10.15 (which surprised him).
Part of my problem is that by you find out how many users are not able;e to view webp, it's too late to revert database. It would be good if there was a way to reinstate the optimised images.