Recognising that you have already given a username and password so you don’t need to enter it for every web page requested.
Measuring how many people are using services, so they can be made easier to use and that there is enough capacity to ensure they are fast.
|_utma||Randomly generated number||2 years|
|_utmb||Randomly generated number||30 minutes|
|_utmc||Randomly generated number||When you close your browser|
|_utmz||Randomly generated number and information on how the site was reached (e.g. direct or via a link, organic search or paid search)||6 months|
|SESS[hash value]||SESS[hash value]||Never|