>I just tried it on a few sites and it either doesn't change much/anything or breaks stuff This tells you you're visiting a site who's designer(s) don't want t

>I just tried it on a few sites and it either doesn't change much/anything or breaks stuff This tells you you're visiting a site who's designer(s) don't want the user to control their browser. Ask them and dollars to donuts they'll treat it like the "doctor, it hurts when I do this" joke. Look at the vitriol in the comments here, there is unmistakeable antipathy toward the user. Nobody is going to say they pride themselves on a user-hostile approach to web design, but a duck is still a duck and the vast majority of designers are still going to think in terms of pixel-perfect. "When you're slapped you'll take it and like it." --Sam Spade