diff --git a/frontend/views/layouts/main.php b/frontend/views/layouts/main.php
index ded4311..5059ee3 100755
--- a/frontend/views/layouts/main.php
+++ b/frontend/views/layouts/main.php
@@ -90,6 +90,15 @@ ga('send', 'pageview');
         <?php $this->head () ?>
     </head>
     <body>
+    <!-- Google Tag Manager -->
+    <noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-5KPBHP"
+                      height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+    <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=
+            '//www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+        })(window,document,'script','dataLayer','GTM-5KPBHP');</script>
+    <!-- End Google Tag Manager -->
     <?php $this->beginBody () ?>
     <?= BgWidget::widget () ?>
 
--
libgit2 0.21.4