What I'd be interested to see in would be the browser console. You can bring it up in IE11 by either pressing
F12 or right click anywhere on the website and click
View source. A small window will pop up on the lower end of the window. You can enlargen it by clicking on the second icon from the right at the right hand side of the black bar. Then click on the console tab. Here's a short video on how to:
https://my.mixtape.moe/zmmlba.mp4
The content of the console will probably hold some more information on what's going on.