The following articles also go into more detail: - https://web.dev/coop-coep/ https://web.dev/coop-coep/ - https://web.dev/why-coop-coep/ https://web.dev/why-c

The following articles also go into more detail: - https://web.dev/coop-coep/ https://web.dev/coop-coep/ - https://web.dev/why-coop-coep/ https://web.dev/why-coop-coep/ although I think the Mozilla article in the OP is a really nice, succinct high-level overview.