amp-youtube
To save a Youtube video on a valid template AMP HTML for Blogger/Blogspot, on tag
<head> must be the amp-youtube script like this :<script async='async' custom-element='amp-youtube' src='https://cdn.ampproject.org/v0/amp-youtube-0.1.js'/>then how the writing on the template/postings like this (the size of a match):
  <amp-youtube width="480"
      height="270"
      layout=responsive
      data-videoid="lBTCB7yLs8Y">
  </amp-youtube>Code
lBTCB7yLs8Y is the code obtained from the Youtube URL. Sample video by applying the code above, like this:Layouts that support:
fill, fixed, fixed-height, flex-item, nodisplay, responsiveDue to the limited capabilities of a mobile browser, then it cannot auto play to
amp-youtube.