|Expires||Wed, 02 Aug 2017 10:08:19 GMT|
This cookie name is asssociated with Google Universal Analytics – which is a significant update to Google’s more commonly used analytics service. The new service reduces the reliance on cookies in general, and only sets this and one other – _gat, although Google also say data can be collected without setting any cookies. This cookie is used to distinguishes unique users by assigning a randomly generated number as a client identifier. It is included in each page request in a site and used to calculate visitor, session and campaign data for the sites analytics reports. By default it is set to expire after 2 years, although this is customisable by website owners.