This site uses the viewport meta tag which means the content may be optimized for mobile content.
The 1&1 DNS management enables you to organize your domains in a simple and reliable way.
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Tealium is a provider of tag management system for enterprise web sites.
Content Security Policy is best used as defense-in-depth, to reduce the harm caused by content injection attacks.
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.
This page contains a meta robots tag which tells search engines and robots to index or not index the page.
A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".