Browser Origin Policy

Full Title or Meme

Browser Origin Policies are used to determine which data and control flows are allowed based on the URL of the page.

Origin Policies were initiated to prevent tracking of users from one site to another.

Cookies stored on the user browser space are the typical means of moving data from one website to another, typically using Cross-Origin iFrames.
Link to entry on the Chrome Platform Status https://chromestatus.com/feature/4945698250293248
To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAM0wra8xjbL9kh3pV9u7YfXm0t4NzrUANr-tu1g23sdmQrU1zA%40mail.gmail.com.