you need to turned on 'compatibility view' in IE 11 and try test web site
see below steps to set compatibility
1. Open IE 11
2.Press the Alt key to display the menu bar.
3.Click the Tools menu and choose Compatibility View Settings.
4.In the field for Add this website, you will see the domain, that is, the last part of the website address, such as mit.edu or successfactors.com
Result: the domain (mit.edu or other domain) appears in the list of "Websites you've added to Compatibility View".
hope it helps
Editor, DotNetSpider MVM
Microsoft MVP 2014 [ASP.NET/IIS]