Website gruenspan.de

Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.

A rich hosted Exchange environment for every user without having to manage a server.

GoDaddy nameserver services

nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.

A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.

Windows Live Writer Tagging Support Schema

Really Simple Discovery is a way to help client software find the services needed to read, edit, or "work with" weblogging software.

Open graph locale entity tag

Open graph type entity tag

Open graph url entity tag

Open graph description entity tag

The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook

Open graph site name entity tag

Open graph image entity tag

This page contains a meta robots tag which tells search engines and robots to index or not index the page.

Meta descriptions are HTML attributes that provide concise explanations of the contents of web pages. Meta descriptions are commonly used on search engine result pages (SERPs) to display preview snippets for a given page.

Sites who has this tag are verfied by google to use WebMaster tools

A canonical link element is an HTML element that helps webmasters prevent duplicate content issues by specifying the "canonical", or "preferred".

Sites using Html 5 SVG Tag

UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.

A scheme.org entity that represents an event happening at a certain time and location, such as a concert, lecture, or festival. Ticketing information may be added via the 'offers' property. Repeated events may be structured as separate Event objects.