I do that too. Only needed to once I went from a (1080p) 27" monitor to a 24" one. Not required, but the size at 110% looks better to me. Recently discovered t

I do that too. Only needed to once I went from a (1080p) 27" monitor to a 24" one. Not required, but the size at 110% looks better to me. Recently discovered that firefox saves this value if you do it outside of a private browsing window, prior to which I did it on each browser restart.