Hotjar Detects the SEO-ranking for the current website. This service is part of a third-party statistics and analysis service. Session HTTP Cookie atid AT Internet Registers statistical data on users' behaviour on the website. Used for internal analytics by the website operator. 1 year HTTP Cookie bounce Appnexus Determines if a user leaves the website straight away. This information is used for internal statistics and analytics by the website operator. Session Pixel Tracker bv_metrics Lelo Registers the website's speed and performance.