What we use cookies for

We use cookies to collect non-personal information about how visitors use this site. We only collect information that helps us to provide and manage a useful and efficient web service. More specifically, we use cookies to:

  • store your text size and accessibility preferences

  • count how many visitors use this site (so our web servers can meet the demand)

  • analyse how visitors search for and find information, to improve navigation and usability

We use Google Analytics to track how many visitors use our site, what search terms they use, what pages they visit and how they find them. This service sets four cookies on your computer (named utma, utmb, utmc and utmz). To opt out of Google Analytics, you can use the Google Analytics Opt-out Browser Add-on