In common with many other websites, uses several cookies generated by google analytics that are shown below. You may find detailed information at

Cookie Type Duration Description
viewed_cookie_policy 1 year Signifies your agreement to use cookies on this website
__utma google analytics 2 years This cookie is typically written to the browser upon the first visit to your site from that web browser.
__utmb google analytics 30 minutes This cookie is used to establish and continue a user session with the site.
__utmc google analytics not set This cookie is no longer used by the ga.jstracking code to determine session status.
__utmz google analytics 6 months This cookie stores the type of referral used by the visitor to reach your site.