Chinese Predict header script

index.html

<script type="text/javascript">
var ScarabQueue = ScarabQueue || [];
(function(subdomain, id) {
  if (document.getElementById(id)) return;
  var js = document.createElement('script'); js.id = id;
  js.src = subdomain + '.predict.emarsys.cn/js/1A8AD954AF4442AE/scarab-v2.js';
  var fs = document.getElementsByTagName('script')[0];
  fs.parentNode.insertBefore(js, fs);
})('http://cdn', 'scarab-js-api');
</script>