diff --git a/web/src/main/webapp/xslt/base-layout-cssjs-loader.xsl b/web/src/main/webapp/xslt/base-layout-cssjs-loader.xsl
index daeeea7419..49b07aab12 100644
--- a/web/src/main/webapp/xslt/base-layout-cssjs-loader.xsl
+++ b/web/src/main/webapp/xslt/base-layout-cssjs-loader.xsl
@@ -311,4 +311,31 @@
       }]);
     </script>
   </xsl:template>
+
+  <!-- Google Tag Manager -->
+  <xsl:template name="ga4-load-head">
+    <xsl:choose>
+      <xsl:when test="$isProd">
+    <script>
+    <![CDATA[
+    (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+    new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+    j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+    'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+    })(window,document,'script','dataLayer','GTM-NBPF5L9');
+    ]]>
+    </script>
+      </xsl:when>
+    </xsl:choose>
+  </xsl:template>
+
+  <!-- Google Tag Manager (noscript) -->
+  <xsl:template name="ga4-load-body">
+    <xsl:choose>
+      <xsl:when test="$isProd">
+    <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-NBPF5L9"
+    height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+      </xsl:when>
+    </xsl:choose>
+  </xsl:template>
 </xsl:stylesheet>
diff --git a/web/src/main/webapp/xslt/base-layout.xsl b/web/src/main/webapp/xslt/base-layout.xsl
index 4cf2958417..ac9d172c16 100644
--- a/web/src/main/webapp/xslt/base-layout.xsl
+++ b/web/src/main/webapp/xslt/base-layout.xsl
@@ -46,7 +46,7 @@
         <xsl:variable name="nodeName"
                       select="util:getNodeName('', $lang, true())"/>
 
-        <xsl:variable name="htmlHeadTitle"
+        <xsl:variable name="gaHtmlHeadTitle"
                       select="if ($discoveryServiceRecordUuid != '')
                               then util:getIndexField(
                                         $lang,
@@ -58,7 +58,7 @@
                               else $nodeName"/>
 
 
-        <xsl:variable name="htmlHeadDescription"
+        <xsl:variable name="gaHtmlHeadDescription"
                       select="if ($discoveryServiceRecordUuid != '')
                               then util:getIndexField(
                                         $lang,
@@ -69,12 +69,15 @@
                               then substring-after($nodeName, '|')
                               else $nodeName"/>
 
-        <title><xsl:value-of select="$htmlHeadTitle"/></title>
+        <xsl:variable name="actualHtmlHeadDescription" select="if ($isProd) then $gaHtmlHeadDescription else ''"/>
+        <xsl:variable name="actualHtmlHeadTitle" select="if ($isProd) then $gaHtmlHeadTitle else util:getNodeName('', $lang, true())"/>
+
+        <title><xsl:value-of select="$actualHtmlHeadTitle"/></title>
         <meta charset="utf-8"/>
         <meta name="viewport" content="initial-scale=1.0"/>
         <meta name="apple-mobile-web-app-capable" content="yes"/>
 
-        <meta name="description" content="{$htmlHeadDescription}"/>
+        <meta name="description" content="{$actualHtmlHeadDescription}"/>
         <meta name="keywords" content=""/>
 
 
@@ -86,6 +89,7 @@
               title="{concat($env/system/site/name, ' - ', $env/system/site/organization)}"/>
 
         <xsl:call-template name="css-load"/>
+        <xsl:call-template name="ga4-load-head"/>
       </head>
 
 
@@ -95,6 +99,8 @@
       -->
       <body data-ng-controller="GnCatController" data-ng-class="[isHeaderFixed ? 'gn-header-fixed' : 'gn-header-relative', isLogoInHeader ? 'gn-logo-in-header' : 'gn-logo-in-navbar', isFooterEnabled ? 'gn-show-footer' : 'gn-hide-footer']">
 
+        <xsl:call-template name="ga4-load-body"/>
+
         <div data-gn-alert-manager=""></div>
 
         <xsl:choose>
diff --git a/web/src/main/webapp/xslt/common/base-variables.xsl b/web/src/main/webapp/xslt/common/base-variables.xsl
index 71156b62d5..20af550fd7 100644
--- a/web/src/main/webapp/xslt/common/base-variables.xsl
+++ b/web/src/main/webapp/xslt/common/base-variables.xsl
@@ -169,4 +169,9 @@
 
 
   <xsl:variable name="metadataUserFeedbackEnabled" select="$envSystem/localrating/enable = 'advanced'" />
+
+  <xsl:variable name="isDev" select="contains($env/system/site/name, '[dev]')" />
+  <xsl:variable name="isInt" select="contains($env/system/site/name, '[int]')" />
+  <xsl:variable name="isProd" select="not($isDev) and not($isInt)" />
+
 </xsl:stylesheet>
diff --git a/web/src/main/webapp/xslt/common/render-html.xsl b/web/src/main/webapp/xslt/common/render-html.xsl
index 7326b9b0b6..58c72fd704 100644
--- a/web/src/main/webapp/xslt/common/render-html.xsl
+++ b/web/src/main/webapp/xslt/common/render-html.xsl
@@ -90,10 +90,12 @@
               title="{$title}"/>
 
         <xsl:call-template name="css-load-nojs"/>
+        <xsl:call-template name="ga4-load-head"/>
 
       </head>
 
       <body class="gn-nojs {$cssClass}">
+        <xsl:call-template name="ga4-load-body"/>
         <div class="gn-full">
           <xsl:call-template name="header"/>
           <div class="container" role="main">
