Cookies uses cookies and web statistics. Below we will explain why. You will also find out exactly which cookies puts on your computer and for what purpose.

Which type of cookies does use? uses cookies for web statistics and research.

Tracking cookies

Tracking cookies are cookies that can track visitors while they surf other websites. does not use tracking cookies. Therefore, the website does not support the DoNotTrack setting in browsers. complies with the legislation applicable in the Netherlands.

Cookies for web statistics and research uses cookies for web statistics and research. does this to gain an insight into how visitors use the website. This information will be used to improve the website, for instance by adding information or improving its user-friendliness.

These types of cookies do not affect your privacy. Therefore, they are exempt from the cookie provision in the Dutch Telecommunications Act. This is why does not ask permission for these types of cookie.

Web statistics uses web statistics. It uses the open source web analysis package Piwik for this. analyses this data. This way the website can be better tailored to its visitors. does not use the collected data for other purposes than the improvement of the website. The table below shows you which cookies they are.

Name cookie: Purpose:
Cookie_pk_id Is this a new visitor or has the visitor visited the site before?
Cookie_pk_ses Which pages did the visitor visit?
Name cookie: Purpose:
Cookie_pk_ref Which site did the visitor come from?

Research occassionally does research among the visitors to the website. It uses the survey cookie status for this. This cookie tracks whether the visitor took part in the online questionnaire. It concerns the following cookies.

Name cookie: Purpose:
Cookie_pk_cvar Did the online questionnaire invitation get shown during this visit?
Surveyvisittime cookie How long was the visit?
Surveystatus cookie Did the visitor take part in the online questionnaire on