Hello The simple iFrame plugin does not work if the URL is set to a google drive. Here is the drive URL I am trying to load tested in both safari and chrome any help thanks. Also see video link for walk through
Link to the video walk through showing the URL and error.
The URL parameter should be set a little different with google drive. See the steps here on how to embed it, into iframe:
The files should look like:
With the /preview parameter at the end.