{% require_head %}
  <meta name="third-party-app-verification-id" content="123456">
  <link rel="prefetch" href="http://example.com/large-script.js">
  <!-- these are purely examples, you could add anything that requires being in the head. require_css and require_js should be used instead of this when embedding a style tag or script tag.-->
{% end_require_head %}