http://6pb473duz5o6kdvedrvplpyce33ezwjxkehbwtagytxe6yqal4xe44yd.onion/articles/xmpp.html
It was created using a preset template. Paraphrasing their policy: While using "the service" jabber.tcpreset.net may collect information such as your IP address, browser type, browser version, the pages of their service that you visit, the time and date of your visit, the time spent on those pages, unique device identifiers and other diagnostic data.