{% if GOOGLE_ANALYTICS %}
    <script async src="https://www.googletagmanager.com/gtag/js?id={{ GOOGLE_ANALYTICS }}"></script>
    <script>
      window.dataLayer = window.dataLayer || [];
      function gtag(){dataLayer.push(arguments);}
      gtag('js', new Date());
      gtag('config', '{{ GOOGLE_ANALYTICS }}');
    </script>
{% endif %}