Google Analytics cookies       Default expiration time
   _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
 _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
 _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
 _utmt Used to throttle request rate.  10 minutes
 _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 
 ga Used to distinguish users  2 years
 gat Used to throttle request rate.  10 minutes
Custom cookies
 
 telford_homes_cookie Used on every page that is protected with disclaimer.  1 year
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