Cookies are information transferred from our server or third-party servers to the browsers of users, where they are stored for future access. Cookies may consist of small files or other means of data storage.

We use "session cookies", which are stored for the duration of the current visit of our website only (e.g. to enable the storage of your login status and therefore the usage of our website). A random, unique identification number, a so-called session ID is stored in a session cookie. Furthermore, a cookie contains information about its origin and the storage duration. These cookies are unable to store any other data. Session cookies are deleted when you stop using the website and, for example, log out or close the browser.

This privacy policy informs users about the use of cookies in the context of pseudonym range measurement.

If users do not want cookies to be stored on their computer, they are asked to deactivate this option in their browser's system preferences. Stored cookies can be deleted in the browser's system settings. Blocking cookies may cause limitations to the functionality of this website.

You can object to the use of cookies that serve range measurement and marketing purposes via the network advertising initiative's deactivation page ( ( and additionally the US website ( or the European website (

On the basis of our legitimate interest (i.e. interest in the analysis, optimisation and the efficient operation of our website within the meaning of Article 6 (1f) GDPR), we use Google Analytics, a web analysis service provided by Google Inc. ("Google"). Google uses cookies. Information regarding the use of the website generated through the cookie is typically transmitted to a Google serve in the US and stored there.

Google is certified in accordance with the Privacy Shield Framework and therefore subject to European data protection laws (

Google will use this information on our behalf to evaluate the usage of our website, to create reports about website activities, and to provide us with additional services related to the use of the Internet and this website. This allows for the creation of pseudonym user profiles based on the processed data.

Google shortens the IP addresses of users in EU-member states or other states participating in the framework across the European Economic Area. The full IP address is only transmitted to a server in the US by Google and shortened there in exceptional cases.

The IP address transferred from the users' browser is not consolidated with other Google data. Users can prevent the storage of cookies by managing the corresponding settings in their browser preferences; users may furthermore prevent the collection of data generated through the cookie and the transfer of information related to the website to Google by downloading and installing the browser plug-in available via this link:

You can find additional information about Google's options regarding data use, preferences and objection on the following Google sites: („How Google uses information from sites or apps that use our services"), („Advertising "), („Managing the information Google uses to display ads").