The following gives a description of all Cookies used and their expiry:
The crumb cookie is used in order to recognise a computer when a user visits our website. It prevents cross-site request forgery. (Expires when the user browsing session ends).
This cookie is used to identify a unique user for website usage analysis. The value assigned is a random unique number (known as a GUID) and no personally identifying information is associated with this cookie. (Expires after two years).
This cookie is used to identify a user’s session for website usage analysis. The value assigned is the timestamp of the initial page view for a session and no personally identifying information is associated with this cookie. (Expires after thirty minutes).
This cookie represents the same information as ss_cvisit with the exception that it stores the previous session instead of the current one. (Expires after two years).
This cookie is equivalent to the ss_cid cookie with the exception that it stores the values of the current ss_cvisit and ss_cpvisit cookies. (Expires after two years).
This cookie is equivalent to s_cvisit with the exception that it stores a count of the page views for that session. (Expires after thirty minutes).