The Privacy Working Group has published the First Public Working Draft of Global Privacy Control (GPC).
This specification provides a way to signal, through an HTTP header or the DOM, a person's assertion of their applicable rights to prevent the sale of their data, the sharing of their data with third parties, and the use of their data for cross-site targeted advertising." #privacy
https://www.w3.org/news/2024/first-public-working-draft-global-privacy-control-gpc/