I looked at questions about the web user interface of a cloud computing service such as amazon-web-services, azure and google-cloud-platform, but I couldn't infer a consistent closing policy. What questions about the web user interface of a cloud computing service are off-topic?
Hosting is off-topic here. Asking about their web interface would be on-topic. – jonsca. Apr 22, 2014 at 5:54
Web Apps.SE: Really the only scenario where you might pose a topical question about AWS on Web Apps.SE would be if you have a question about using the (admittedly somewhat complicated) AWS Management Console. This is very much an "end-user" application, in that, the workflow involves putting in your login/password, then clicking through a bunch of links and buttons, entering data, etc. The format of these questions would be no different than a question about gmail's interface.
I see that 7 years ago, someone attempted to clarify the policy for AWS: Is this site really the right place for Amazon Web Services?. But the closing policy wasn't clarified and AWS is just one of many cloud service providers.
Example of such questions about the web user interface of a cloud computing service: