GA-Tracker.html

<figure class="op-tracker">
  <iframe>
    <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","//www.google-analytics.com/analytics.js","ga");
      ga("create", "UA-XXXXXXX-X", "auto");
      ga("require", "displayfeatures");

      ga('set', 'dimension1', '<?php echo esc_html( date('Ymd', strtotime($this->get_the_pubdate())) ) ?>', 3);
      ga('set', 'forceSSL', false);
      ga("send", "pageview", {title: "<?php echo esc_html( $this->get_the_title() ); ?>"});
    </script>
  </iframe>
</figure>