index.html
<!doctype html>
<html ⚡>
<head>
<meta charset="utf-8">
<title>amp-youtube</title>
<script async src="https://cdn.ampproject.org/v0.js"></script>
<script async custom-element="amp-youtube" src="https://cdn.ampproject.org/v0/amp-youtube-0.1.js"></script>
<link rel="canonical" href="https://amp.dev/documentation/components/amp-youtube/">
<meta name="viewport" content="width=device-width,minimum-scale=1,initial-scale=1">
</head>
<body>
<amp-youtube data-videoid="6wV1OrjwNZ8" layout="responsive" width="480" height="270"></amp-youtube>
</body>
</html>