IE9 vs. Firefox 4IE9 vs. Firefox 4 Is IE9 a modern browser? Let's compare IE9 to Firefox 4 HTML5 test IE9: 130 Firefox 4: 255 Firefox 3.5 (two years ago): 142 source In 2011, IE9 now supports Canvas, Video, Geolocation and SVG. Firefox came with Canvas and SVG 5 years ago, Video and Geolocation 2 years ago. Platform supported IE9: Windows Vista/7. Firefox 4: Windows Vista/7, Windows XP, GNU/Linux, Mac OS, Android.
