update legacy UA analytics to GA4

_config.yml

@@ -53,7 +53,7 @@ repository: 0xdevalias/devalias.net
 # alexa: 1234
 # yandex: 1234
 
-google_analytics: UA-27970144-1
+google_analytics: G-3FW5B1CS26
 disqus_shortname: devalias
 
 # Front Matter defaults (http:https://jekyllrb.com/docs/configuration/#front-matter-defaults)

_includes/head/head.html

@@ -19,6 +19,8 @@
  <!-- <meta name="twitter:image" content="{{ site.baseurl | chomp_slash }}{{ site.default_cover }}" /> -->
  <!-- /end tags -->
 
+ {% include scripts/analytics.html %}
+
  {% include head/styles.html %}
  {% include head/fontawesome.html %}
 

_includes/scripts/analytics.html

@@ -1,10 +1,9 @@
- <!-- Google Analytics Tracking code -->
-  <script>
-  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-  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');
+ <!-- Google tag (gtag.js) -->
+ <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());
 
- ga('create', '{{ site.google_analytics }}', 'auto');
- ga('send', 'pageview');
- </script>
+ gtag('config', '{{ site.google_analytics }}');
+ </script>

_layouts/default.html

@@ -38,7 +38,6 @@
  <script type="text/javascript" src="{{ site.baseurl | chomp_slash }}/assets/js/jquery.fitvids.js"></script>
  <script type="text/javascript" src="{{ site.baseurl | chomp_slash }}/assets/js/index.js"></script>
 
- {% include scripts/analytics.html %}
  {% unless site.webmentions.disabled %}
  {% include scripts/webmention.html %}
  {% endunless %}