I know it's on the web, and has to work on tons of browsers, thousands of devices, but "15-20fps" have never been acceptable figure in console game development.

I know it's on the web, and has to work on tons of browsers, thousands of devices, but "15-20fps" have never been acceptable figure in console game development. Hell even 30fps is not acceptable for some games (fighting, racing, first person shooters). So having 60fps in the browser is incredible!