Microsoft Internet Explorer Issue

I try to open Codecademy on Internet Explorer 11 on Windows 10 Home, but I get a message, Version:1.0 StartHTML:000000204 EndHTML:000032728 StartFragment:000032643 EndFragment:000032672 StartSelection:000032643 EndSelection:000032672 SourceURL:

##" Your browser is not supported"

Website URL:
Is this a bug?

Here is a screenshot:

Why use IE11 when you have Edge?

To CC… that page looks a little out of date.