diff --git a/web/documentation/index.html b/web/documentation/index.html
index 7dc91d1b..37c0f57e 100644
--- a/web/documentation/index.html
+++ b/web/documentation/index.html
@@ -13,22 +13,18 @@
 		<link type="text/css" rel="stylesheet" href="css/jquery.tocify.css" />
 		<link type="text/css" rel="stylesheet" href="css/jquery-ui.min.css" />
 
-		<!-- Piwik -->
-<!-- 		<script type="text/javascript">
-		  var _paq = _paq || [];
-		  _paq.push(['trackPageView']);
-		  _paq.push(['enableLinkTracking']);
-		  (function() {
-		    var u="//piwik.sourcetrail.com/";
-		    _paq.push(['setTrackerUrl', u+'piwik.php']);
-		    _paq.push(['setSiteId', 1]);
-		    var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
-		    g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
-		  })();
-		</script>
-		<noscript><p><img src="//piwik.sourcetrail.com/piwik.php?idsite=1" style="border:0;" alt="" /></p></noscript> -->
-		<!-- End Piwik Code -->
+		<!-- Google Analytics -->
+<!-- 		<script>
+		(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+		(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+		m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+		})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
 
+		ga('create', 'UA-64108586-2', 'auto');
+		ga('send', 'pageview');
+
+		</script> -->
+		<!-- End Google Analytics -->
 
 		<!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
 		<!--[if lt IE 9]>