Google Analytics and Whos.amung.us in realtime visitors, why such an enormous discrepancy?

Posted by jacouh on Pro Webmasters See other posts from Pro Webmasters or by jacouh
Published on 2013-11-04T10:45:39Z Indexed on 2013/11/04 16:13 UTC
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Since years I use in a site both Google Analytics and Whos.amung.us, both Google analytics and whos.amung.us javascripts are inserted in the same pages in the tracked part of the site.

In real-time visitors, why such an enormous discrepancy ? for example at the moment, Google analytics gives me 9 visitors, whos.amung.us indicates 59, a ratio of 6 times?

Why whos.amung.us is 6 times optimistic than Google Analytics in terms of the realtime visitors?

Google Google Real-time Visitors Visitors tracked by whos.amung.uswhos.amung.us

My question is:

  1. whos.amung.us does not detect robots while Google does?
  2. GA ignores visitors from some countries, not whos.amung.us?
  3. Some robots/bots execute whos.amung.us javascript for tracking?
  4. While no robots/bots can execute the tracking javascript provided by Google Analytics?

To facilitate your analysis, I copy JS code used below:

Google analytics:

<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'MyGaAccountNo']);
_gaq.push(['_trackPageview']);

(function() {
  var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
  ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
  var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>

Whos.amung.us:

<script>var _wau = _wau || []; _wau.push(["tab", "MyWAUAccountNo", "c6x", "right-upper"]);(function() { var s=document.createElement("script"); s.async=true;     s.src="http://widgets.amung.us/tab.js";document.getElementsByTagName("head")[0].appendChild(s);})();</script>

I've aleady signaled this to WAU staff some time ago, NR, I've not done this to Google as they don't handle this kind of feedback. Thank you for your explanations.

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