diff --git a/_layouts/website/page.html b/_layouts/website/page.html
new file mode 100644
index 0000000..c4a8913
--- /dev/null
+++ b/_layouts/website/page.html
@@ -0,0 +1,16 @@
+{% extends template.self %}
+
+{% block javascript %}
+    {{ super() }}
+    <!-- Hotjar Tracking Code -->"
+    <script>
+        (function(h,o,t,j,a,r) {
+            h.hj=h.hj||function(){(h.hj.q=h.hj.q||[]).push(arguments)};
+            h._hjSettings={hjid:{{ config.pluginsConfig.hotjar.hjid }},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>
+{% endblock %}
\ No newline at end of file
diff --git a/index.js b/index.js
index 62bbe19..61eb482 100644
--- a/index.js
+++ b/index.js
@@ -3,26 +3,6 @@ module.exports = {
     assets: "./book",
     js: [
       "plugin.js"
-    ],
-    html: {
-      "body:end": function() {
-        var config = this.options.pluginsConfig.hotjar || {};
-
-        if (!config.hjid) {
-          throw "Hotjar: option 'hjid' is required.";
-        }
-
-        return ""
-          + "<!-- Hotjar Tracking Code -->"
-          + "<script>(function(h,o,t,j,a,r){"
-          + "h.hj=h.hj||function(){(h.hj.q=h.hj.q||[]).push(arguments)};"
-          + "h._hjSettings={hjid:"+config.hjid+",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>";
-      }
-    }
+    ]
   }
 };
diff --git a/package.json b/package.json
index 963992d..c8da454 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
       "hjid": {
         "type": "number",
         "title": "Hotjar Analytics ID",
-        "required": false
+        "required": true
       }
     }
   }