In and of itself, there's no easy way to do this backtracking.
I would suggest looking over some of the stuff in the New Shoppers Forum. Even if you aren't a new shopper some of the tools there that are discussed can save you time and headaches, especially a software that stores your passwords. (If you are like me you probably use the same password for almost all your mystery sites, but the software is still good to keep them listed).
Other items such as Presto can help you as well. And once you sign up or discover you are signed up for sites, store that info.
Edited 1 time(s). Last edit at 08/16/2019 09:45PM by texthinker.