(1) Disable hardware graphics acceleration in Firefox and in Flash I think there has been some movement on that, at least in the mobile space, but I haven't looked into it recently.īut back to Firefox. Adobe Flash Player plug-in - Google Chrome Help.Ĭhrome might natively play more videos, because for a long time, Firefox has not played H.264-encoded videos due to patent issues. So in order to test whether you are playing natively or using Flash, you would need to disable that. Because every video works in Chrome with html5.Ĭhrome includes an integrated Flash player.