Marketing cookies are used to track visitors across websites. The intention is to display ads that are relevant and engaging for the individual user and thereby more valuable for publishers and third party advertisers.</p> Name Provider Purpose Expiry Type _fbp Meta Platforms, Inc. Used by Facebook to deliver a series of advertisement products such as real time bidding from third party advertisers. 3 months HTTP Cookie _gcl_au Google Used by Google AdSense for experimenting with advertisement efficiency across websites using their services. 3 months HTTP Cookie _uetsid Microsoft Collects data on visitor behaviour from multiple websites, in order to present more relevant advertisement - This also allows the website to limit the number of times that they are shown the same advertisement. 1 day HTML Local Storage _uetsid_exp Microsoft Contains the expiry-date for the cookie with corresponding name. Persistent HTML Local Storage _uetvid Microsoft Used to track visitors on multiple websites, in order to present relevant advertisement based on the visitor's preferences. 1 year HTML Local Storage _uetvid_exp Microsoft Contains the expiry-date for the cookie with corresponding name. Persistent HTML Local Storage ads/ga-audiences Google Used by Google AdWords to re-engage visitors that are likely to convert to customers based on the visitor's online behaviour across websites.