Some webpages are now asking you to disable your ad blocker, even after you turn it off. The only reason why they do so is probably Safari's anti tracking measures, that are becoming more and more powerful after every major update.
So, if you want to fully support certain websites who depend on ad revenue only, you might want to use something other than Safari, or disable Safari's anti tracking as much as possible.
So, if you want to fully support certain websites who depend on ad revenue only, you might want to use something other than Safari, or disable Safari's anti tracking as much as possible.