2 years HTTP Cookie bscookie linkedin.com Used by the social networking service, LinkedIn, for tracking the use of embedded services. 2 years HTTP Cookie fr facebook.com Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers. 3 months HTTP Cookie IDE doubleclick.net Used by Google DoubleClick to register and report the website user's actions after viewing or clicking one of the advertiser's ads with the purpose of measuring the efficacy of an ad and to present targeted ads to the user. 1 year HTTP Cookie lidc linkedin.com Used by the social networking service, LinkedIn, for tracking the use of embedded services. 1 day HTTP Cookie MR bing.com Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. 6 days HTTP Cookie MUID bing.com Used widely by Microsoft as a unique user ID. The cookie enables user tracking by synchronising the ID across many Microsoft domains. 1 year HTTP Cookie RUL doubleclick.net Used by DoubleClick to determine whether website advertisement has been properly displayed - This is done to make their marketing efforts more efficient. 1 year HTTP Cookie test_cookie doubleclick.net Used to check if the user's browser supports cookies. 1 day HTTP Cookie UserMatchHistory linkedin.com Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences.