Usual snippet for performance + full feature Google Analytics + Autotrack

analytics.html

<script>
  window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};
  ga('create', 'UA-XXXXX-Y', 'auto');
  ga('require', 'outboundLinkTracker');
  ga('require', 'cleanUrlTracker');
  ga('require', 'maxScrollTracker');
  ga('require', 'pageVisibilityTracker');
  ga('require', 'urlChangeTracker');
  ga('set', 'transport', 'beacon');
  ga('send', 'pageview');
</script>
<script async src="https://www.google-analytics.com/analytics.js"></script>
<script async src="https://unpkg.com/autotrack@latest/autotrack.js"></script>