This is my static site. I've been hacking on it for a good number of years
<script type="text/javascript">
(function () {
const cdn_script_url = 'https://cdn.jsdelivr.net/npm/kevbadge/kevbadge.js';
let kevbadge = document.createElement('script'); kevbadge.type = 'text/javascript'; kevbadge.async = true;
kevbadge.src = cdn_script_url;
let s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(kevbadge, s);
})();
</script>
or paste the contents of kevbadge.js into the developer console anywhere on your site