before I add controls=0 and pointer-events It works on mobile. then I delete controls and pointer-events it still not autoplay on mobile anyway
<div class="vimeo-wrapper display-xs-none">
<div class="plyr__video-embed" id="player">
<iframe style="pointer-events: none"
src="https://www.youtube.com/embed/{{ page.video_header }}?origin=https://plyr.io&autoplay=1&loop=1&mute=1&controls=0&iv_load_policy=3&modestbranding=1&playsinline=1&showinfo=0&rel=0&enablejsapi=1&playlist={{ page.video_header }}"
allowfullscreen
allowtransparency
allow="autoplay"
></iframe>
</div>
</div>