diff --git a/layouts/default.erb b/layouts/default.erb
index 622ca27..b351c5f 100644
--- a/layouts/default.erb
+++ b/layouts/default.erb
@@ -33,6 +33,18 @@
     </script>
     <script async src='https://www.google-analytics.com/analytics.js'></script>
 
+    <!-- Hotjar Tracking Code for zeus.ugent.be -->
+    <script>
+(function(h,o,t,j,a,r){
+    h.hj=h.hj||function(){(h.hj.q=h.hj.q||[]).push(arguments)};
+    h._hjSettings={hjid:392303,hjsv:5};
+    a=o.getElementsByTagName('head')[0];
+    r=o.createElement('script');r.async=1;
+    r.src=t+h._hjSettings.hjid+j+h._hjSettings.hjsv;
+    a.appendChild(r);
+})(window,document,'//static.hotjar.com/c/hotjar-','.js?sv=');
+    </script>
+
     <%= asset :css, :main %>
 
     <!-- Font Awesome -->