As a new feature you can now enter your email address in the last form step. You will then be notified once your requested map has been finished, or in the case of errors.
So no need to keep the status page open anymore while waiting for your map to render.
For now the mail addresses stay in the database, so that I can give feedback even if the automatic mails fail.
Once I’m confident with the feature I’ll delete the mail addresses right after sending notifications as they are not really need for anything after that.
Turns out I made the email field mandatory by accident, this has now been fixed and it is optional as intended.