Move GA script to head.html (alshedivat#140)

Author: zt-chen

_includes/head.html

@@ -37,3 +37,15 @@
 {% if site.enable_darkmode %}
   <script src="{{ '/assets/js/theme.js' | relative_url }}"></script>
 {% endif %}
+
+{% if site.enable_google_analytics %}
+  <!-- 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());
+
+    gtag('config', '{{ site.google_analytics }}');
+  </script>
+{% endif %}

_includes/scripts/misc.html

@@ -5,17 +5,6 @@
 </script>
 {% endif %}
 
-{% if site.enable_google_analytics %}
-<!-- 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());
-
-  gtag('config', '{{ site.google_analytics }}');
-</script>
-{% endif %}
 
 <!-- Load Common JS -->
 <script src="{{ '/assets/js/common.js' | relative_url }}"></script>