What are cookies?

Cookies are small text files that are placed on your computer or mobile device 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. By understanding how people use the Assembly’s websites, we can make improvements to the navigation and content to make the site better and easier to access. A full list of cookies in use across our websites are listed below.

Controlling cookies

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 and how to manage and delete them, visit www.allaboutcookies.org.

Google Analytics

These cookies are used to help us understand how visitors use our websites. Collected data is used to generate regular reports on website usage and helps us to improve the user experience of all our websites. The data gives us insight into the number of users that use our websites and how they arrived there. No personal identifiable information is stored or accessible to us through the service provided by Google i.e. the information is collected in an anonymous form.

To opt out of being tracked by Google Analytics across all websites visit http://tools.google.com/dlpage/gaoptout.

For further information on the analytic cookies please visit Google’s information pages.

Cookie Name Expiration Time Description
_ga 2 years Used to distinguish users.
_gid 24 hours Used to distinguish users.
_gat 1 minute Used to throttle request rate. If Google Analytics is deployed via Google Tag Manager, this
cookie will be named _dc_gtm_<property-id>.
AMP_TOKEN 30 seconds to 1 year 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.
_gac_<property-id> 90 days 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.
Learn more.

*revised from https://developers.google.com/analytics/devguides/collection/analyticsjs/cookie-usage#gajs on 22/05/2018.

Third party cookies


Twitter feeds and cards are used across a number of our sites. Though Twitter cookies are not explicitly set when using our websites, you may notice these cookies are active when browsing Assembly websites. These cookies will only be set on you device if you have previously used Twitter or a Twitter service.

Embedded Twitter feeds have been configured to ensure visitor data from http://www.assembly.wales is not used for personalisation or tailoring of content on Twitter’s services.

For more information please visit Twitter’s developer privacy overview and cookie policy.


We embed videos from our official YouTube channel, as well as select other channels, across the website. We are working to ensure all embedded videos use YouTube’s privacy enhanced mode (with URLs beginning with http://youtube-nocookie.com/). This means that cookies may be set on your device once you play an embedded video.

For more information please visit Google support pages on this topic.

Links to other websites

We regularly link to other websites. Please refer to the cookie / privacy policy of these sites for further information

For further information, please contact us