file_csp_meta_uir.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

<head>

 <meta charset="UTF-8">

 <title>Hello World</title>

 <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">

</head>

<body>

  <script>

    document.write("<a href='" + document.location.href.replace(/^https/, "http") + "' id='mylink'>Click me</a>");

  </script>

</body>

</html>