For everything you described there is a tag or http header i can set on my own content to prevent a browser on another domain from 'hotlinking'. If you are the

For everything you described there is a tag or http header i can set on my own content to prevent a browser on another domain from 'hotlinking'. If you are the 'browser' as this IOS feature is, there is none. I hope it at least respect the robots.txt rules.