Cookies
Use of cookies by Tiro Ltd t/a Brainy Birds
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 | Purpose (Expiration Time) |
|---|---|---|
Google Analytics (gtag.js and analytics.js) | _ga | Used to distinguish users. (2 years) |
Google Analytics (gtag.js and analytics.js) | _gid | Used to distinguish users. (24 hours) |
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_<property-id>. (1 minute) |
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_<property-id> | Contains campaign related information for the user. If you have linked your Google Analytics and AdWords accounts, AdWords website conversion tags will read this cookie unless you opt-out. (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) |
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 www.aboutcookies.org or www.allaboutcookies.org
Find out how to manage cookies on popular browsers:
To find information relating to other browsers, visit the browser developer’s website.
To opt out of being tracked by Google Analytics across all websites, visit: