diff --git a/docs/templates/layout.jade b/docs/templates/layout.jade
index 48960b72..8540c03c 100644
--- a/docs/templates/layout.jade
+++ b/docs/templates/layout.jade
@@ -20,7 +20,21 @@ html(lang='en')
 
       link(rel='stylesheet', href=contents.css['main.scss'].url)
       link(rel='shortcut icon', href=contents.images['favicon.png'].url)
+
+      | <!-- 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-K8MXX5F');</script>
+      | <!-- End Google Tag Manager -->
+
   body(class=bodyclass)
+    | <!-- Google Tag Manager (noscript) -->
+    | <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-K8MXX5F"
+    | height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+    | <!-- End Google Tag Manager (noscript) -->
+
     div.container
       div.nav-main
         div.wrap