У вашего броузера проблема в совместимости с HTML5
Game: Mirror's Edge: Catalyst
System:
CPU: Intel Core i7 2600K (Overclocked at 4.2Ghz)
Graphics Card: Gigabyte GTX 960 G1 4GB (Overclocked Core clock 100Mhz+; Memory clock 300Mhz+ with MSI Afterburner)
Ram: G-skill Ripjaws X 8GB DDR3 1333Mhz
Storage: Seagate 1TB 7200RPM
Resolution: 1280x720
Driver Version: v372.90
Recorder: Open Broadcaster Software
Comment: The gameplay shows almost no FPS drops with the given settings, the average low FPS (50-55). But yes the lag due to recording maybe present.