Our site bliep.nl is served on https, this means all imports (js, css) should also be on https otherwise browsers are complaining.
However When i change http to https in your include snippets, the side bar on our side does not load.
This has to do with that fact that your https is not setup correctly:
In chrome and firefix:
This is probably not the site you are looking for!
You attempted to reach assets.freshdesk.com, but instead you actually reached a server identifying itself as*.s3.amazonaws.com. This may be caused by a misconfiguration on the server or by something more serious. An attacker on your network could be trying to get you to visit a fake (and potentially harmful) version of assets.freshdesk.com.