diff --git a/src/index.html b/src/index.html
index 295736c4..c8a07b96 100644
--- a/src/index.html
+++ b/src/index.html
@@ -7,22 +7,21 @@
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <title>ng2-admin</title>
 
-  <script type="javascript">
-    /* <![CDATA[ */
-      var _gaq = _gaq || [];
-    _gaq.push(['_setAccount', 'UA-61945105-1']);
-    _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);
-      })();
-    (function(b){(function(a){"__CF"in b&&"DJS"in b.__CF?b.__CF.DJS.push(a):"addEventListener"in b?b.addEventListener("load",a,!1):b.attachEvent("onload",a)})(function(){"FB"in b&&"Event"in FB&&"subscribe"in FB.Event&&(FB.Event.subscribe("edge.create",function(a){_gaq.push(["_trackSocial","facebook","like",a])}),FB.Event.subscribe("edge.remove",function(a){_gaq.push(["_trackSocial","facebook","unlike",a])}),FB.Event.subscribe("message.send",function(a){_gaq.push(["_trackSocial","facebook","send",a])}));"twttr"in b&&"events"in twttr&&"bind"in twttr.events&&twttr.events.bind("tweet",function(a){if(a){var b;if(a.target&&a.target.nodeName=="IFRAME")a:{if(a=a.target.src){a=a.split("#")[0].match(/[^?=&]+=([^&]*)?/g);b=0;for(var c;c=a[b];++b)if(c.indexOf("url")===0){b=unescape(c.split("=")[1]);break a}}b=void 0}_gaq.push(["_trackSocial","twitter","tweet",b])}})})})(window);
-    /* ]]> */
-    </script>
+  <!-- Google Tag Manager -->
+  <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+      new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+    j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+    'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+  })(window,document,'script','dataLayer','GTM-KT9L237');</script>
+  <!-- End Google Tag Manager -->
 </head>
 
 <body>
+  <!-- Google Tag Manager (noscript) -->
+  <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KT9L237"
+                    height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+  <!-- End Google Tag Manager (noscript) -->
+
   <app>
   </app>
 
