<!doctype html>
<html âš¡>
<head>
  <meta charset="utf-8"><script async src="https://cdn.ampproject.org/v0.js"></script>
  <link href="https://example.com/favicon.ico" rel="icon">
  <link href="https://example.com/favicon.png" rel="icon">
</head>
<body></body>
</html>