Something like https://en.wikipedia.org/wiki/Do_Not_Track ? Which failed in part because Microsoft turned it on by default which even further disincentivised publishers from respecting it.
In Europe there's no need. Got a licence over two decades ago have never needed to drive. Shops in walking distance, public transport anywhere in the country, convenient deliveries, walkable and cyclable cities.
Meanwhile other places have no freedom from cars, locked into expensive car financing, unable to access basic amenities without a car, and motorists have normalised killing millions of people a year.