diff --git a/ckanext/googleanalytics/templates/googleanalytics/snippets/_gtag.html b/ckanext/googleanalytics/templates/googleanalytics/snippets/_gtag.html
index 2ed2219..fa0ee91 100644
--- a/ckanext/googleanalytics/templates/googleanalytics/snippets/_gtag.html
+++ b/ckanext/googleanalytics/templates/googleanalytics/snippets/_gtag.html
@@ -1,16 +1,26 @@
-<!-- Google tag (gtag.js) -->
-<script async src="https://www.googletagmanager.com/gtag/js?id={{googleanalytics_id}}"></script>
-<script>
- window.dataLayer = window.dataLayer || [];
- function gtag(){dataLayer.push(arguments);}
+{% block main %}
+    <!-- Google tag (gtag.js) -->
+    <script async src="https://www.googletagmanager.com/gtag/js?id={{googleanalytics_id}}"></script>
+    <script>
+     window.dataLayer = window.dataLayer || [];
+     function gtag(){dataLayer.push(arguments);}
 
- gtag('set', 'linker', );
- gtag('js', new Date());
+     {% block setup %}
+         gtag('set', 'linker');
 
- gtag('config', '{{googleanalytics_id}}', {
-     anonymize_ip: true,
-     linker: {
-         domains: {{ googleanalytics_linked_domains|tojson }}
-     }
- });
-</script>
+         gtag('js', new Date());
+
+         gtag('config', '{{googleanalytics_id}}', {
+             anonymize_ip: true,
+             linker: {
+                 domains: {{ googleanalytics_linked_domains|tojson }}
+             }
+         });
+     {% endblock setup %}
+
+     {% block extra %}
+     {% endblock extra %}
+
+    </script>
+
+{% endblock %}