WebKit (Safari, Chrome) 18 21 3 305 16 17 18 1 browserEngine==WebKit Trident (IE) 8 9 2 242 7 8 8 0 browserEngine==Trident Blink (Chrome, Opera) 6 9 3 4 4 6 4 2 browserEngine==Blink Unknown 5 5 1 0 5 2 5 0 browserEngine== Gecko (Firefox) 2 2 1 0 2 2 2 0 browserEngine==Gecko