lib/rack/tracker/criteo/template/criteo.erb
<% if events.any? %>
<script type='text/javascript' src='//static.criteo.net/js/ld/ld.js' async='true'></script>
<script type='text/javascript'>
window.criteo_q = window.criteo_q || [];
<% (tracker_events + events).each do |event| %>
window.criteo_q.push(<%= event.write %>);
<% end %>
</script>
<% end %>