add google analytics

Author: vmooers

_config.yml

@@ -109,7 +109,7 @@ contact_note: # > Email is the best way to reach me.
 # Analytics and search engine verification
 # -----------------------------------------------------------------------------
 
-google_analytics:  # your Google Analytics measurement ID (format: G-XXXXXXXXXX)
+google_analytics: G-07ZY9F9FTG # your Google Analytics measurement ID (format: G-XXXXXXXXXX)
 cronitor_analytics:  # cronitor RUM analytics site ID (format: XXXXXXXXX)
 
 google_site_verification:  # your google-site-verification ID (Google Search Console)

_includes/analytics.html

@@ -0,0 +1,9 @@
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-07ZY9F9FTG"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+
+  gtag('config', 'G-07ZY9F9FTG');
+</script>

_layouts/default.html

@@ -7,6 +7,7 @@
     <meta http-equiv="refresh" content="3; url={{ site.baseurl }}/" />
   {%- endif -%}
   {% include head.html %}
+  {% include analytics.html %}
   </head>
 
   <!-- Body -->