The Content-Type header of the wikidot generated sitemap.xml is set to text/html instead of the standard text/xml or application/xml1, preventing the usage of sitemaps in MIME type sensitive services, for example in Google Search Console.
Example:
root@862f37b0388e:~# curl -I http://scp-hu.wikidot.com/sitemap.xml
HTTP/1.1 200 OK
Date: Sat, 22 Aug 2020 12:08:02 GMT
Content-Type: text/html; charset=utf-8
X-Wikidot-Backend: 09a6d313c9b01ccd3
Cache-Control: no-cache, must-revalidate
Expires: Mon, 26 Jul 1997 05:00:00 GMT
X-Wikidot-Static-Cache: HIT