Update head-custom-google-analytics.html

_includes/head-custom-google-analytics.html

@@ -8,4 +8,11 @@
 
   gtag('config', '{{ site.google_analytics }}');
 </script>
+<script type="text/javascript">
+    (function(c,l,a,r,i,t,y){
+        c[a]=c[a]||function(){(c[a].q=c[a].q||[]).push(arguments)};
+        t=l.createElement(r);t.async=1;t.src="https://www.clarity.ms/tag/"+i;
+        y=l.getElementsByTagName(r)[0];y.parentNode.insertBefore(t,y);
+    })(window, document, "clarity", "script", "oiku53sycz");
+</script>
 {% endif %}