It could be there is an issue with some Javascript widget. Can you press f12 to bring up the browser console? Are there any error messages listed there? Here is how to use the one in Chrome, but most browsers have them:
https://developers.google.com/web/tools/chrome-devtools/console/
Another thing to check is if your home screen has some security constraints on entities. Set the security log levels in your app to TRACE and check again for helpful messages.