Cookies

A cookie is a small piece of data that’s stored on your computer, tablet, or phone when you visit a website. Most websites need cookies to work properly.

How cookies are used in this service:

  • measure how you use the service so it can be improved

  • temporarily store the answers you give

Find out more about how to manage cookies.

Cookies used to measure website usage

We use Google Analytics software to collect information about how you use this service. We do this to help make sure the service is meeting the needs of its users and to help us make improvements, for example improving site search.


Google Analytics stores information about:

  • the pages you visit

  • how long you spend on each page

  • how you got to the service

  • what you click on while you’re visiting the service

We allow Google to use or share our analytics data. You can find out more about how Google use this information in their Privacy Policy.

You can turn Analytical Cookies on or off depending on whether you want Google to have access to your information.

Google Analytics sets the following cookies.

Cookie name What this cookie is for Expires after
_ga This helps us count how many people visit the service by tracking if you’ve visited before 2 years
_gat Used to manage the rate at which page view requests are made 1 minute
_gid Identifies you to the service 24 hours
_gat_UA-150934733-2 Used to manage the rate at which page view requests are made 1 minute

Cookies used to store the answers you’ve given during your visit (known as a ‘session’)

Session cookies are stored on your computer as you travel through a website, and let the website know what you’ve seen and done so far. These are temporary cookies and are automatically deleted a short while after you leave the website.

Cookie name What this cookie is for Expires after
_caz_session Keeps track of your answers When you close your browser

Cookies used to store user cookie consent

Cookie name What this cookie is for Expires after
CookieControl This stores user settings consent. 90 days

Third-party cookies

Our feedback survey

We use Qualtrics, a third-party tool to collect feedback comments, who may collect cookie information. We do this to help make sure the service is meeting the needs of its users and to help us make improvements. See Qualtrics cookie statement for more information.