Possible UC Optimize errors
Domain <yoursite.com> is not registered
You did not register a UC Optimize domain for your sites by dropping us a line at firstname.lastname@example.org.
Domain <yoursite.com> is not allowed
You tried fetching a file from a domain that was not allowed. Check settings or contact us to add the domain as allowed for your account.
Failed to parse file URL
Your prefix was added to an invalid URL. Consider checking that URL.
You tried fetching an unreachable file. Consider checking its URL.
A problem occurred when trying to upload a file to storage. Perform another try sometime later or contact us.