Cookies

A cookie is a piece of information in the form of a very small text file that is placed on an internet user's hard drive. It is generated by a web server, which is basically the computer that operates a web site. The information the cookie contains is set by the server and it can be used by that server whenever the user visits the site. A cookie can be thought of as an internet user's identification card, which tell a web site when the user has returned.

# Cookie Name Expiry Description
1 __utmb 30 mins from set/update Analytics: Used to determine new sessions/visits. The cookie is created when the javascript library executes and no existing __utmb cookies exists. The cookie is updated every time data is sent to Google Analytics.
2 __cfduid 1 year Cloudflare: Helps improve our website security by identifying if you are a legitimate user
3 __utmt 10 minutes Analytics: Used to throttle request rate.
4 __utmz 6 months from set/update Analytics: Stores the traffic source or campaign that explains how the user reached your site. The cookie is created when the javascript library executes and is updated every time data is sent to Google Analytics.
5 __utma 2 years from set/update Analytics: Used to distinguish users and sessions. The cookie is created when the javascript library executes and no existing __utma cookies exists. The cookie is updated every time data is sent to Google Analytics.
6 __utmc End of brower session Analytics: Not used in ga.js. Set for interoperability with urchin.js. Historically, this cookie operated in conjunction with the __utmb cookie to determine whether the user was in a new session/visit.
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