Cookies used on a Haiku website

You will require this information when you would like to find out which cookies are being used on your Haiku website. For site editors, we strongly recommend you provide this level of information to your site users.

What is a cookie?

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. Third-party cookies are placed on a website by someone other than the owner (a third party) and collect user data for the third party. As with standard cookies, third-party cookies are placed so that a site can remember something about the user at a later time.

What kind of cookies does Haiku use?

Haiku Cookies

Haiku Cookies


This is used to identify which server should process browser requests for anonymous users e.g., app-anon-1.haiku.fry=c4


This is used to identify which server should process browser requests for authorised users e.g., app-auth-1.haiku.fry=c1


This is used to store confirmation that the Cookie Policy banner has been read


This is used to confirm that the user has rejected all non-essential cookies from Haiku.


This is used when an authenticated user successfully logs into the Haiku with a supported protocol, a cookie specific to that user's session is set and used to associate the rest of that session's requests back to the user's login information.


This is used to store the IDs of notifications that anonymous users have read and dismissed. The purpose is to not show users the same notifications again. Rarely used.

Third party cookies


Google Analytics Cookies

_ga, _gid

These are Google Analytics cookies. They store the client ID and are used to distinguish unique users by assigning a randomly generated number as a client identifier and to calculate visitor and session data. The difference is _ga expiration time is 2 years and for _gid it is 24h

_gat, _gat_haiku

These are Google Analytics cookies and are used to monitor and track visitors' behaviour on the site anonymously. Expiration time 1m


Google Analytics cookie to distinguish unique users.

For more information about Google Analytics cookies:


Youtube cookies

Editors often embed videos from YouTube using iframes. This mode may set cookies on your computer once you click on the YouTube video player, but YouTube will not store personally-identifiable cookie information for playbacks of embedded videos using the privacy-enhanced mode.
Read more at YouTube’s embedding videos information page.


Expires after eight months


Expires at the end of your session


Expires after eight months


Expires at the end of your session



Other third party cookies

If editors choose to use other third party services on their websites (eg Vimeo, R-Shiny, Twitter or other embedded content), they must document and make clear the use of these cookies as per their site’s cookie guideline page.


Below is an example which describes how to alter cookie settings for site users. Editors may want to consider offering the following information to their site users.

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 or

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 .