{% if analytics_tracking_id is defined and analytics_tracking_id is not empty %} <script> (function (i, s, o, g, r, a, m) { i['GoogleAnalyticsObject'] = r i[r] = i[r] || function () { (i[r].q = i[r].q || []).push(arguments) }, i[r].l = 1 * new Date() a = s.createElement(o), m = s.getElementsByTagName(o)[0] a.async = 1 a.src = g m.parentNode.insertBefore(a, m) })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga') ga('create', '{{ analytics_tracking_id }}', 'auto') {% if app.user %} ga('set', 'userId', {{ app.user.id }}) {% endif %} ga('send', 'pageview') </script>{% endif %}