<video autoplay muted playsinline loop>
<source src="path-to-AV1.mp4" type="video/mp4; codecs=av01.0.05M.08">
<source src="path-to-VP9.webm" type="video/webm; codecs=vp9">
<source src="path-to-H264.mp4" type="video/mp4">
This message is displayed when none are supported
</video>