| Cookie | Name | Purpose (Expiration Time) |
| Session Identifier | PHPSESSID | Session cookie that contains a 26 random character identifier, used to identify your online session, and maintain your logged in status. Deleted automatically when browser closes. |
| Google Analytics (gtag.js and analytics.js) | _ga | Used to distinguish users. (2 year lifespan) |
| Google Analytics (gtag.js and analytics.js) | _gid | Used to distinguish users. (24 hour lifespan) |
| Google Analytics (gtag.js and analytics.js) | _gat | Used to throttle request rate. If Google Analytics is deployed via Google Tag Manager, this cookie will be named _dc_gtm_ |
| Google Analytics (gtag.js and analytics.js) | AMP_TOKEN | Contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, inflight request or an error retrieving a Client ID from AMP Client ID service. (30 seconds to 1 year) |
| Google Analytics (gtag.js and analytics.js) | _gac_ | This cookie is deployed if you have arrived from a paid advertising link. (90 days) |
| 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) |