Not that I know of. You'll need to tunnel through the proxy to really check the connection. I either do a proxy checker site to make sure nothing is leaking, or I just do the simple GET request against the site(s) I'm working with/on.
If you are a coder. U will understand that. Firefox allow user raise . But Chrome cant. Google limit 6 on Chrome. If u can raise it in "Brower Auto Studio" It will make work faster
