diff --git a/_layouts/default.html b/_layouts/default.html
index ba7b5b1..24aa6bf 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -10,9 +10,22 @@
   <link rel="stylesheet" href="{{ '/assets/main.css' | relative_url }}">
   <link rel="canonical" href="{{ page.url | replace:'index.html','' | absolute_url }}">
   <!-- TODO: Add GTM head script here -->
+  
+  <!-- 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-TD4D5B93');</script>
+<!-- End Google Tag Manager -->
+  
 </head>
 <body class="bg-light">
   <!-- TODO: Add GTM noscript here -->
+  <!-- Google Tag Manager (noscript) -->
+<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-TD4D5B93"
+height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+<!-- End Google Tag Manager (noscript) -->
   {% include header.html %}
   <main class="main pt-5">
     {{ content }}
