diff --git a/docs/index.html b/docs/index.html
index 0eb60cd..bb36e9e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -33,6 +33,15 @@
 <body>
     <div class="demo-app"></div>
     <script src="/ffs-zera.js"></script>
+	<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-59834021-4', 'auto');
+         ga('send', 'pageview');
+       </script>
 </body>
 
 </html>
\ No newline at end of file
