Our detectives are back with the following intel on this WordPress site
The site is using the Hello Elementor theme by Elementor Team .
We could identify 1 plugins (there might be more) - Companion Sitemap Generator – HTML & XML
A plain-vanilla & lightweight theme for Elementor page builder
Creates and XML sitemap for search engines and allows you to add an HTML sitemap to any page using a shortcode or Gutenberg block.