Cookies are small text files that are placed on your computer by websites that you visit. They are widely used in order to make websites work, or work more efficiently, as well as to provide information to the owners of the site.
The table below explains the cookies we use and why.
| Cookie Name | Default Expiration Time | Description |
|---|---|---|
|
__utma
|
2 years from set/update
|
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.
|
|
__utmt
|
10 minutes
|
Used to throttle request rate.
|
|
__utmb
|
30 mins from set/update
|
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.
|
|
__utmc
|
End of browser session
|
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.
|
|
__utmz
|
6 months from set/update
|
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.
|
|
__utmv
|
2 years from set/update
|
Used to store visitor-level custom variable data.
|