Information on the cookies and tracking technologies used

Here you can find out which web analysis and tracking tools we use on our website (web tracking, advertising, cookies, plugins, etc.), how these work, how you can object to the processing of your personal data in detail and how to delete the personal data collected during this process. You’ll find additional information in our privacy policy.

Use of Cookies

Some of our websites use ‘cookies’. Small text files are hidden behind this standard technology that are stored on the device you’re using, which – among other things – make visiting a website more comfortable or more secure. Cookies can also be used to better tailor the offering on a website to the interests of the visitors or generally to improve the offer on the basis of statistical evaluations.

You can determine whether the browser you use allows cookies or not. Please note that the functionality of websites may be limited or even disabled if cookies are not allowed.

Deleting Cookies

In your browser settings, you can delete individual cookies or the entire set of cookies. You will also find information and instructions on how to delete these cookies or prevent them from being saved in advance. The following links provide the information you’ll need for the respective browser providers:

Mozilla Firefox:

Internet Explorer:

Google Chrome:



Furthermore, you can prevent the loading of so-called scripts by default. NoScript allows JavaScript, Java and other plugins to run only on trusted domains of your choice. You’ll receive information and instructions on how to use this feature from your browser provider (e.g. for Mozilla Firefox:

Information on the cookies we use

Should you allow us to use cookies via your browser settings or consent, the following cookies may be used on our websites:

Name Purpose Expiry Date
PHPSESSID This cookie serves as an identification feature for the duration of the visit to our websites. End of session
_icl_current_language This cookie contains information about the language version used. End of session
__utmt This cookie contains information pertaining to Google Analytics support and serves to reduce the frequency with which usage statistics are collected/transmitted. This Google Analytics cookie is used to distinguish users and sessions. 10 minutes
__utma This Google Analytics cookie is used to distinguish users and sessions. 2 years
__utmb This Google Analytics cookie is used to identify new visits to web pages. 30 minutes
__utmc This cookie is also used for Google Analytics and complements the _utmb cookie as well as measures the duration of visits to websites. End of session
__utmz: This Google Analytics cookie is used to determine the way a website was found and visited. 6 months
PREF This cookie is used by Google and contains information on the user-selected settings as well as features that serve to identify the user of Google offers in a reliable manner and to collect usage information. End of session
NID This cookie is used by Google to collect information on the use of Google offers. End of session

Provided that these cookies (also) could also pertain to personal data, we will inform you in the following sections.

Use of Google Analytics

This website uses Google Analytics, a web analytics service of Google Inc. (‘Google’). Google Analytics uses so-called ‘cookies’, i.e. text files that are stored on your computer and allow an analysis of your use of the website. The information generated by the cookie about your use of this website is typically transmitted to a Google server in the U.S. and stored there. In general, IP addresses on our website will be automatically anonymised by Google by means of truncation. Only in exceptional cases will IP address be sent to Google servers in the U.S. and anonymised by truncation there. On behalf of the operator of this website, Google will use this information to evaluate your use of the website, summarise reports on website activities and provide other services related to website and Internet usage to the website operator. The IP address transferred from your browser as part of Google Analytics will not be combined with other data from Google.

You can prevent the storage of cookies by a corresponding setting in your browser software; however, please note that in this case you may not be able to use all the functions of this website in their entirety. Furthermore, you can prevent the collected data generated by the cookie and the data related to your use of the website (including your IP address) being transmitted to Google, as well as the processing of this data by Google, by downloading and installing the browser plug-in available at the following link: browser add-on to deactivate Google Analytics.

As an alternative to the browser add-on described above or within browsers on mobile devices, you can prevent tracking by Google Analytics on our pages by clicking this link. An opt-out cookie will be installed on your device. This will prevent data collection via Google Analytics for this website and for this browser in the future, as long as the cookie remains installed in your browser.