Yes, it works perfectly fine on those websites and yes, I know about the development tools. 
That's the annoying thing; there are no errors in there...
Here's an example generated webpage (please save the file, I've uploaded it temporarily). Note that I've been moving the javascript files a bit and tried different versions, so that might be a bit messy. It still didn't work though.

That's the annoying thing; there are no errors in there...
Here's an example generated webpage (please save the file, I've uploaded it temporarily). Note that I've been moving the javascript files a bit and tried different versions, so that might be a bit messy. It still didn't work though.