JSFiddle - React, Tailwind, and code Playground
HTML
<header role='banner'>
<h1 class='site-title'>My Blog Title</h1><!-- homepage header title -->
<p class='site-title' href='mylink'>My Blog Title</p><!-- other page header title -->
</header>
JavaScript
$(document).ready(function () {
$('h1.site-title').text(window.location.host);
$('p.site-title').text(window.location.host);
});