I still don't see the point. This could (and can) all be done without any additional/special markup or even JS. Also, kind of ironic (with regards to performance) that they mention upcoming support of major tracking scripts and ad networks.<p>edit: previous discussion (of AMP itself) at <a href="https://news.ycombinator.com/item?id=10358597" rel="nofollow">https://news.ycombinator.com/item?id=10358597</a>