I've been using the space bar more and more in the browser (and less (and c-f/c-v in vi/emacs)), and am beginning to find it annoying when I have to scroll any

I've been using the space bar more and more in the browser (and less (and c-f/c-v in vi/emacs)), and am beginning to find it annoying when I have to scroll any other way. I wish mobile safari's reader mode had a paged option like the books app.