Google Analytics for developers(blog.arkency.com)

        <!-- Async Tracking Code - http://code.google.com/intl/en-US/apis/analytics/docs/tracking/asyncTracking.html -->
	<script type="text/javascript">
	  var _gaq = _gaq || [];
	  _gaq.push(['_setAccount', 'YOUR ANALYTICS ID GOES HERE']);
	  _gaq.push(['_trackPageview']);

          //*******************
          // Trick #1: Track page load time in Google Analytics
          // (note: only works for HTML5 browsers)
          //*******************
	  _gaq.push(['_trackPageLoadTime']);

	  (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);
	  })();
	  
          //*******************
          // Trick #2: Add a Javascript error handler so that it creates an event in Google Analytics
          // whenever there's a CLIENT-SIDE javascript error
          //*******************
	  window.onerror = function(message, file, line) { 
	     var sFormattedMessage = '[' + file + ' (' + line + ')] ' + message; 
	     _gaq.push(['_trackEvent', 'Errors', 'Browser', sFormattedMessage, null, true]);
	  }
	</script>

  //this function is OK, but probably an unnecessary abstraction of a one-liner
  function trackEvent(category, action, label) {
    window._gaq.push(['_trackEvent', category, action, label])
  }

  //this event handler will not track some non-negligible percentage of events
  $("article a").click(function(e) {
    var element = $(this)
    var label = element.attr("href")
    trackEvent("Outbound link", "Click", label)
  });


  //corrected outbound link event handler which gives GA 100 ms to register
  //the event.  higher than 100 risks UX degradation, lower increases the %
  //of untracked events.  100 ms is happy medium  
  $("article a").click(function(e) {
    e.preventDefault();  //stay on the page for now
    var element = $(this)
    var label = element.attr("href")
    trackEvent("Outbound link", "Click", label)
    //leave the page after a short delay
    window.setTimeout("window.location.href='" + label + "'", 100);
  });