Browsers are all moving towards origin-isolation. So, even when you download a font from fonts.example.com from example.net; that downloaded font won’t be avail

Browsers are all moving towards origin-isolation. So, even when you download a font from fonts.example.com from example.net; that downloaded font won’t be available to example.org. The local cache is, unfortunately, also an unintended source of fingerprinting and cross-origin communication.