Wow that is disgusting. Why does it need to include remote code to function? How can they even pretend this is an open standard when it has a backdoor?
The point there is that is it not supported by Mozilla. Google has strong-armed publishers into implementing their websites in a restricted Google format that speeds up websites just for Google Chrome and Google Chromium-based browsers. It's an unethical power grab by Google on multiple levels.
From https://amp.dev/documentation/guides-and-tutorials/learn/spe...:
> AMP HTML documents MUST
> ...
> contain a <script async src="https://cdn.ampproject.org/v0.js"></script> tag inside their head tag.
That is not a web standard.