This Website works with so-called temporary "session cookies"; i.e. small units of information that are located temporarily on the respective user's device.

When a user comes to this Website, simple temporary session cookies are stored. This cookie saves tokens to identify the user's session on the server side, so the site recalls the user’s preferences (for example, the selected view settings). Temporary cookies are normally erased once the user closes their browser (although this can be configured in a user’s browser's preferences).

A session cookie does not contain any viruses and is not saved anywhere permanently. It is only used in the current browser session of the Website.

The usage of the session cookie is restricted to your activities on the Website and does not affect any other activities on the Internet.

Using the settings in your browser, you can prevent yourself from receiving a session cookie from this site. Your potential activities on this site, however, will be highly restricted.

If a user logs into this site and selects the “Remember me” checkbox, then a persistent login cookie is stored, so your credentials are saved by the browser. A unique hash value is stored in the cookie to identify and authorize the user, but does not include any personal identifying information. This cookie expires after a set period of time.
 
This website also uses Google Analytics, a web analytics service provided by Google Inc. ("Google"). Google Analytics uses "cookies," text files that are stored on your computer and allow an analysis of the use of the website.
 
The information generated by the cookie about your use of this site are usually sent to a server of Google in the U.S. and stored there.In the case of activation of the IP anonymization on this website, the IP address of Google will be shortened within Member States of the European Union or other parties to the Agreement on the EuropeanEconomic Area before. Only in exceptional cases, the full IP address is sent to a Google server in the USA and is shortened there.
 
On behalf of the operator of this site, Google will use this information to evaluate your use of the website, to provide reports on website activity and to provide other services in connection with the usage of the website and the internet to the website operator. The IP address that your browser sends within the scope of Google Analytics cannot be merged with other data held by Google.
 
You can prevent the storage of cookies by selecting the appropriate settings on your browser. We point out, however, that in this case not all the features of the Website are in full use. You can also prevent the collecting of the data generated by the cookie and related to your use of the website
(including your IP address) to Google and the processing of these data by Google, by downloading and installing the browser plug-in available under the following link: http://tools.google.com/dlpage/gaoptout?hl=en
 
This site also uses user-based tracking technology to track detailed view, download, search and login statistics.