You can find seven grounds as a whole: however, provided that is nevertheless a great deal to browse, just view that the explainer videos:
Whilst customized JS looks permitted as part of amp-script, plus third-party JS try granted inside iframes, this are unable to block making. For instance, if third-party JS makes use of that super-bad-for-performance document. Write API, it will not block making your principal webpage.
Measured many means statically
Outside means such as for instance photos, adverts otherwise iframes need state his or her shape within the HTML to make certain that AMP do figure out every size that is element’s place prior to resources have always been installed. AMP plenty each design of this web web page not looking forward to whatever means in order to install.
AMP uncouples report design at site layout. Just one HTTP request is required to layout their doc that is entire+fonts). Considering AMP are fine tuned in order to avoid valuable type recalculations as well as designs into the internet internet browser, truth be told there won’t try to be all re-layout once means load. […]