PUMA is using so-called cookies. They are used to make PUMA more user-friendly, effective and secure. Cookies are small text files that are stored by your browser on your computer. Most of the cookies PUMA uses are so-called session cookies. They are deleted automatically at the end of your visit, except when you have selected the option "stay logged in" when signing in. In that case the cookie is deleted after one year, except you delete it manually.

For internal statistics about web page visits PUMA might use Piwik, a software to analyse web server access logs.

Piwik also uses cookies which allow us to analyse the usage of PUMA. The data about your visits that is produced by cookies is only stored on PUMA servers. The data is used only for internal statistics and deleted afterwards. When your browser supports the do not track technology and when you have enabled it, Piwik will not log your visits.

You can disable cookies by an appropriate setting of your web browser. However, we point out that in that case not all functionality of PUMA is usable.

For questions about cookies you can contact us via the e-mail address