IE x remaining items

I am developing a website and when I want to check it in IE, the page does not load compl开发者_如何转开发etely. It says that 1 item remains to be loaded. I want to check what that is in order to fix it if is a bug.

You can try to use http://www.fiddler2.com/fiddler2/ to check which of the requests has not ended properly