Merge pull request #20 from skipgu/manual-include-analytics

added google analytics from config to analytics script, added script …

_config.yml

@@ -8,4 +8,4 @@ email: skip@gota.gu.se
 instagram_username: "skip.gu"
 linkedin_username: "company/skip-student-association"
 discord_link: "https://tinyurl.com/skip-discord"
-# google_analytics: G-96M5M9TCM7 
+google_analytics: G-96M5M9TCM7 

_includes/google-analytics.html

@@ -1,12 +1,10 @@
-<!-- Google tag (gtag.js) -->
-<script async src="https://www.googletagmanager.com/gtag/js?id=G-96M5M9TCM7"></script>
+<!-- Global site tag (gtag.js) - Google Analytics -->
+<script async src="https://www.googletagmanager.com/gtag/js?id={{ site.google_analytics }}"></script>
 <script>
   window.dataLayer = window.dataLayer || [];
   function gtag(){dataLayer.push(arguments);}
   gtag('js', new Date());
-  // The value is parsed 'raw' like this, because it's part of the URL above anyway.
-  // Therefore, the value from _config.yml need not to be used.
-  gtag('config', 'G-96M5M9TCM7');
-</script>
 
+  gtag('config', '{{ site.google_analytics }}');
+</script>
 

_includes/head.html

@@ -43,4 +43,8 @@
     {% endcomment %}
     {% include head-feed.html %}
   {% endif %}
+
+  {% if jekyll.environment == 'production' and site.google_analytics %}
+  {% include google-analytics.html %}
+  {% endif %}
 </head>