Have you tried "Reader" mode in Safari? An icon shows up in the address bar when Safari detects that you're reading an article - when you press this icon, the

Have you tried "Reader" mode in Safari? An icon shows up in the address bar when Safari detects that you're reading an article - when you press this icon, the page appears as simply formatted text and it gives you full control of font sizes. Of course, since HN isn't an article, it's not much help here - HN is the one page I use where this is a problem, ironically.