Used to distinguish users and sessions. The cookie is created when the javascript library executes and no Google Analytics __utma existing __utma cookies exists. The cookie is updated (ga.js) every time data is sent to Google Analytics. (2 years from set/update) Google Analytics __utmt Used to throttle request rate. (10 minutes) (ga.js) Used to determine new sessions/visits. The cookie is created when the javascript library executes and no Google Analytics __utmb existing __utmb cookies exists. The cookie is updated (ga.js) every time data is sent to Google Analytics. (30 mins from set/update) Not used in ga.js. Set for interoperability with urchin.js. Google Analytics Historically, this cookie operated in conjunction with the __utmc (ga.js) __utmb cookie to determine whether the user was in a new session/visit. (End of browser session) Stores the traffic source or campaign that explains how the user reached your site. The cookie is created when Google Analytics __utmz the javascript library executes and is updated every time (ga.js) data is sent to Google Analytics. (6 months from set/update) Used to store visitor-level custom variable data. This cookie is created when a developer uses the Google Analytics _setCustomVar method with a visitor level custom __utmv (ga.js) variable. This cookie was also used for the deprecated _setVar method. The cookie is updated every time data is sent to Google Analytics. (2 years from set/update) How do I change my cookie settings? Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set, visit or Find out how to manage cookies on popular browsers:
Google Analytics (ga.js) __utma 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. (2 years from set/update) Google Analytics (ga.js) __utmt Used to throttle request rate. (10 minutes) Google Analytics (ga.js) __utmb 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. (30 mins from set/update) Google Analytics (ga.js) __utmc 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. (End of browser session) Google Analytics (ga.js) __utmz 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. (6 months from set/update) Google Analytics (ga.js) __utmv Used to store visitor-level custom variable data. This cookie is created when a developer uses the _setCustomVar method with a visitor level custom variable. This cookie was also used for the deprecated _setVar method. The cookie is updated every time data is sent to Google Analytics. (2 years from set/update) How do I change my cookie settings? Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set, visit or Find out how to manage cookies on popular browsers:
Fiveareas-Cookies-use-this.docx