diff --git a/doc/misc/header.html b/doc/misc/header.html
index 2dbe721..d43f2aa 100644
--- a/doc/misc/header.html
+++ b/doc/misc/header.html
@@ -16,6 +16,15 @@ $mathjax
 <link href="$relpath^$stylesheet" rel="stylesheet" type="text/css" />
 $extrastylesheet
 </head>
+<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','//www.google-analytics.com/analytics.js','ga');
+
+  ga('create', 'UA-63929386-1', 'auto');
+  ga('send', 'pageview');
+</script>
 <body>
 <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
 <div id="topbanner"><a href="https://github.com/miloyip/rapidjson" title="RapidJSON GitHub"><i class="githublogo"></i></a></div>
