Liberated HTML5

<?php
  header('Content-Type: text/html; charset=UTF-8');
  header('Access-Control-Allow-Origin: *');
  header('Access-Control-Allow-Headers: *');
  header('Access-Control-Expose-Headers: *');
  header('Access-Control-Allow-Credentials: true');
?><!doctype html>
<html lang="en-US">
  <head>
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
  </head>
  <body>
    <script defer="defer" src="https://code.jquery.com/jquery-git.js"></script>
  </body>
</html>