AMP is a way to build web pages for static content that render fast. AMP in action consists of three different parts:

AMP HTML is HTML with some restrictions for reliable performance and some extensions for building rich content beyond basic HTML. The AMP JS library ensures the fast rendering of AMP HTML pages. The Google AMP Cache (optionally) delivers the AMP HTML pages.

AMP HTML

AMP HTML is basically HTML extended with custom AMP properties. The simplest AMP HTML file looks like this: