Https Www.google.com Search Contributions Profile Authuser 0 ((exclusive)) -

The authuser=0 parameter remains a backend feature but is slowly being replaced by OAuth 2.0 scopes. Nevertheless, for power users, knowing how to directly access your contributions is a valuable shortcut.

That tourist had later replied: “You saved my trip. Thank you, stranger.” https www.google.com search contributions profile authuser 0

https://www.google.com/search?contributions&authuser=0 The authuser=0 parameter remains a backend feature but

Or in some older or internal Google interfaces: for power users