If you publish anything that might concern anyone outside of your family you are already required to add an imprint. A complete address is required information.

A blog, a portfolio, bookmarks, dotfiles or even a simple memorial (if it's for someone outside of family) is enough.

I have not added one to anything I have ever put online nor do I intent to. I neither host in my country nor do I publish in my mother tongue. I think it is ridiculous to be forced to divulge information that allows people to knock on my door.