Вот такие User-agent теперь будут у Internet Explorer 11:
IE11 on Windows 7
Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko
IE11 on 64-bit Windows 8.1 Update
Mozilla/5.0 (Windows NT 6.3; Win64, x64; Trident/7.0; Touch; rv:11.0) like Gecko
IE11 for the desktop on 64-bit Windows 8.1 Update
Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; Touch; rv:11.0) like Gecko
IE11 for the desktop on 64-bit Windows 8.1 Update with enterprise mode enabled
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; Tablet PC 2.0)
IE11 for the desktop on 64-bit Windows 8.1 Update with compatibility view enabled
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.3; Trident/7.0; Touch)
Internet Explorer for Windows Phone 8.1 Update
Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11; IEMobile/11.0) like Android 4.1.2; compatible) like iPhone OS 7_0_3 Mac OS X WebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.99 Mobile Safari /537.36
IE11 on a Lumia 928 running Windows Phone 8.1, mobile version
Mozilla/5.0 (Windows Phone 8.1; ARM; Trident/7.0; Touch; rv:11; IEMobile/11.0; NOKIA; Lumia 928) like Gecko
IE on a Lumia 920 running Windows Phone 8.0, mobile version
Mozilla/5.0 (compatible; MSIE 10.0; Windows Phone 8.0; Trident/6.0; IEMobile/10.0; ARM; Touch; rv:11; NOKIA; Lumia 920) like Gecko
IE on a Lumia 920 running Windows Phone 8.0, desktop version
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0; ARM; Touch; WPDesktop)
IE on Xbox One
Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Trident/6.0; Xbox; Xbox One)
IE on Xbox 360
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; Xbox)