Same goes for age verification.
There was the DNT header, that was a bit to simplistic, but was never implemented https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/...
The thing people need to understand here is that the annoyance is not due to lack of technical solutions, or regulations forcing something. It is explicitly wanted by the industry so they can maximize the consent rate. The browser solution is probably the best technical/user friendly one, but ad tech/data gathering industry won't have any consent. As they control most of the web, they will never do that
replies(4):