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 (optional)

With your permission, 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 do not allow Google to use or share the data about how you use these sites.

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

Essential 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
cookies_policy	This stores user settings consent.	90 days
global_bar_seen	Show the cookie banner every time the user accesses service until they accept or reject cookies	90 days

Cookie settings

We use Javascript to set most of our cookies. Unfortunately Javascript is not running on your browser, so you cannot change your settings. You can try:

• reloading the page

• turning on Javascript in your browser