Improved GA tracking

_config.yml

@@ -3,6 +3,7 @@ description:      '[...] procedure calls may be usefully thought of as GOTO stat
 disqus_shortname: blog-kempkens-io
 #Your site's domain goes here. Leave localhost server or blank when working locally.
 url:              http://blog.kempkens.io
+source_url:       https://github.com/nifoc/blog.kempkens.io
 
 # Owner/author information
 owner:
@@ -28,7 +29,11 @@ background:
 
 # Analytics and webmaster tools stuff goes here
 google_analytics: UA-28082386-3
-google_analytics_site: blog.kempkens.io
+google_analytics_linker:
+  'daniel.xxx':
+    - blog.kempkens.io
+  'blog.kempkens.io':
+    - daniel.xxx
 google_verify:
 # https://ssl.bing.com/webmaster/configure/verify/ownership Option 2 content= goes here
 bing_verify:

_includes/footer.html

@@ -1,4 +1,4 @@
 <span>
-  &copy; {{ site.time | date: '%Y' }} {{ site.owner.name }}. Powered by <a href="http://jekyllrb.com">Jekyll</a> using the <a href="http://mademistakes.com/hpstr/">HPSTR Theme</a>.<br />
-  <a href="https://github.com/nifoc/blog.kempkens.io">Source on GitHub</a>
+  &copy; {{ site.time | date: '%Y' }} {{ site.owner.name }}. Powered by <a href="http://jekyllrb.com">Jekyll</a> using the <a href="http://mademistakes.com/hpstr/">HPSTR Theme</a>.
+  {% if site.source_url %}<br /><a href="{{ site.source_url }}">Source on GitHub</a>{% endif %}
 </span>

_includes/scripts.html

@@ -9,8 +9,21 @@
   m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
   })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
 
-  ga('create', '{{ site.google_analytics }}', '{{ site.google_analytics_site }}');
-  ga('send', 'pageview');
+  (function() {
+    var linkerOptions = {{ site.google_analytics_linker | jsonify }};
+    var host = window.location.host;
+
+    if (linkerOptions !== null) {
+      ga('create', '{{ site.google_analytics }}', host, 'auto', {
+        'allowLinker': true
+      });
+      ga('require', 'linker');
+      ga('linker:autoLink', linkerOptions[host]);
+    } else {
+      ga('create', '{{ site.google_analytics }}', host);
+    }
+    ga('send', 'pageview');
+  })();
 </script>
 {% endif %}
 {% if page.comments %}{% include disqus_comments.html %}{% endif %}