blog title be whatever the hostname is

_static/update_title.js

@@ -0,0 +1,8 @@
+// update the title at the top of the document to match the hostname
+// used to request the blog
+document.addEventListener("DOMContentLoaded", function () {
+    var logoTitle = document.querySelector(".logo__title");
+    if (logoTitle) {
+        logoTitle.textContent = window.location.hostname;
+    }
+});

conf.py

@@ -49,6 +49,10 @@ html_css_files = [
     "customizations.css",
 ]
 
+html_js_files = [
+    "update_title.js",
+]
+
 html_sidebars = {
     "*": [
         "ablog/recentposts.html",