If you’re perhaps not used to the Telemediengesetz (English explanation), it requires “German websites” to list the author(s) and their information. I think the closest thing you might encounter in the US, for example, is a “site notice” or something that would direct you to the terms of use.

Author: Annabel Rothschild

Address: 21 Wellesley College Road, Wellesley MA, 02481, USA

Email: annabelrothschild [at] tuta [dot] io

Please email me for my telephone number.