XML sitemaps are files that provide a structured list of the important pages on a website, written in XML format. Their primary purpose is to help search engines like Google, Bing, and others crawl and index your website more effectively, and considered important for SEO purposes.
Cammixer has a feature which adds the Model Profile & Tags pages URLs to the WordPress XML sitemap by default.
The XML Sitemap file of WordPress websites can usually be found at: https://domain.com/wp-sitemap.xml