Using Google Tag Manager is the quickest and easiest way to install the WildJar tracking script.

The WildJar tracking script

<script type="text/javascript">(function() {
	var av = document.createElement('script');
	av.type = 'text/javascript';
	av.id = 'TrkCallCom';
	av.src = ('https:' == document.location.protocol ? 'https://' : 'http://') + 
	'trkcall.com/scripts/' + window.location.host.replace(/^www\./, '') + '.js?t=' + (new Date().getTime());
	var h = document.getElementsByTagName('head')[0];
	h.parentNode.appendChild(av);
})();
</script>

Adding the WildJar tag to your GTM container

1. Log into your Google Tag Manager account and select your container
2. Click New Tag
   
   
   
   
3. Name your tag with something descriptive, like WildJar, and click Tag Configuration
   
   
   
   
4. Choose Custom HTML under Custom as the tag type
   
   
   
   
5. Copy the WildJar tracking script from the beginning of this article and paste it into the HTML text box
   
   
   
   
6. Click Triggering and select All Pages
   
   
   
   
7. Click Save in the top right corner
8. Publish your changes