I did not have the devices on hand to check the case, but I have one theory which I would ask you to check. Is it possible that you duplicate your page and prepare a test page with the same information? You can do it with the plugin below:
Then please duplicate the Revolution Slider also and instead of using the EB Garamond font, just use the sans serif or a default font. Then test the case on iPad.
My guess is that the iPad has problems to load that for and that might be due to the cross-domain restriction mentioned here:
If you still have the problem kindly get back to us with the URL/User/Pass of your WordPress dashboard using the Secure Note functionality of the post to follow up the case.