feat(analytics): add hotjar tracking

Author: Pablo Vieira

_config.yml

@@ -27,6 +27,8 @@ branch: master
 
 ga_tracking_code: UA-34825674-1
 
+hj_id: 527097
+
 default_image: https://s.gravatar.com/avatar/80fc0ea8a3a2161074feb3725901d093?s=200
 
 # Posts

_config_local.yml

@@ -2,5 +2,7 @@ title: Pablo Vieira [local]
 
 url: "http://localhost:4000"
 
-# disable google analytics
+# disable analytics
 ga_tracking_code:
+
+hj_id:

_includes/analytics.html

@@ -11,3 +11,17 @@
   </script>
   <!-- Google Analytics end -->
 {% endif %}
+
+{% if site.hj_id %}
+<!-- Hotjar Tracking Code for www.pv8.io -->
+<script>
+    (function(h,o,t,j,a,r){
+        h.hj=h.hj||function(){(h.hj.q=h.hj.q||[]).push(arguments)};
+        h._hjSettings={hjid:{{ site.hj_id }},hjsv:6};
+        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,'https://static.hotjar.com/c/hotjar-','.js?sv=');
+</script>
+{% endif %}