This is a XML Sitemap which is supposed to be processed by search engines which follow the XML Sitemap standard like Ask.com, Bing, Google and Yahoo.
It was generated using the Blogging-Software WordPress - https://wordpress.org/ and the Google Sitemap Generator Plugin - https://www.arnebrachhold.de/redir/sitemap-home/ by Arne Brachhold - https://www.arnebrachhold.de/ .
You can find more information about XML sitemaps on sitemaps.org - https://sitemaps.org and Google's list of sitemap programs - https://code.google.com/p/sitemap-generators/wiki/SitemapGenerators .