The way AMP work. Each optimizations that is after tend to be the main reason AMP pages are so accelerated that they seem to load immediately
You will find seven grounds as a whole: however, in case that is nevertheless a great deal to browse, just see that explainer video clip:
When personalized JS are authorized inside amp-script, as well as JS that is third-party is as part of iframes, this can not block making. Including, in case third-party JS makes use of that the super-bad-for-performance document. Write API, it generally does not block making their primary webpage.