We are using cookies to improve your experience. You can change this setting at any time.
Please note, if you have used the site cookies will be on your computer – but by disabling them in your settings we will no longer access them.
Cookies will be currently enabled, to find out more about how to disable them see: how to manage cookies.
To help improve this site we place small files, known as cookies, onto your computer. Some are essential for the site to work properly, others are to improve the experience you have.
You can decide to stop this or any site from using any cookies. To learn more about cookies and how to manage them visit AboutCookies.org.
Cookies to improve your experience
You can tell us to stop using these at any time by updating your settings above.
Measuring website usage (Matomo)
We use Matomo to collect information about how people use our site, and rough demographics as to what groups of people are using our site. We do this to make sure it’s meeting your needs and to understand how we could improve it.
Matomo stores information about:
- the pages you visit
- how long you spend on each page
- how you got to the site
- what you click on while you’re here
The following cookies are set by Matomo:
|_pk_cvar||A short-lived cookie that temporarily stores data for your visit||30 mins|
|_pk_ses||A short-lived cookie that temporarily stores data for your visit||30 mins|
|matomo_sessid||This is created when the opt-out feature is used and helps provide fraud prevention||When you close your browser|
|_pk_ref||This is used to store the attribution information the referrer initially used to visit the website||6 months|
|_pk_id||This stores a few details about you as a user, such as the unique visitor ID||13 months|
|_pk_testcookie||This checks whether your browser supports cookies, and is then directly deleted||Created, then directly deleted|
Understanding our users’ needs
We use Hotjar to better understand our users’ needs and optimise the experience of this website. It helps us understand users’ experiences (eg how much time they spend on which pages, which links they choose to click, what users do and don’t like, etc), which enables us to build and maintain our service with user feedback.
- A device’s IP address (processed during your session and stored in a de-identified form)
- Device screen size
- Device type (unique device identifiers)
- Browser information
- Geographic location (country only)
- Preferred language used to display our website
Hotjar stores this information on our behalf in a pseudonymised user profile and is contractually forbidden to sell any data collected on our behalf.
The following cookies are set by Hotjar:
|_hjDonePolls||This is used to maire sure the same survey does not reappear if you’ve already filled it in.||1 year|
|_hjMinimizedPolls||This is used when you minimise a survey widget – it makes sure that this stays minimised as you navigate through the website.||1 year|
|_hjid||Set when a user first lands on a page with the Hotjar script. It’s used to persist the Hotjar User ID, unique to that site on the browser. This ensures that behavior in subsequent visits to the same site will be attributed to the same user ID.||1 year|
|_hjTLDTest||When the Hotjar script executes, it tries to determine the most generic cookie path to use, instead of the page hostname. This is done so that cookies can be shared across subdomains (where applicable). To determine this, Hotjar tries to store the _hjTLDTest cookie for different URL substring alternatives until it fails. After this check, the cookie is removed.||when you close your browser|
|_hjCachedUserAttributes||This stores User Attributes which are sent through the Hotjar Identify API, whenever the user is not in the sample. Collected attributes will only be saved to Hotjar servers if the user interacts with a Hotjar Feedback tool, but the cookie will be used regardless of whether a Feedback tool is present.||when you close your browser|
|_hjLocalStorageTest||This is used to check if the Hotjar Tracking Script can use local storage. If it can, a value of 1 is set in this cookie and is deleted almost immediately after it is created.||under 100m/s|
|_hjIncludedInPageviewSample||This is set to let Hotjar know whether that user is included in the data sampling defined by your site’s pageview limit.||30 minutes|
|_hjViewportId||This stores information about the user viewport such as size and dimensions.||when you close your browser|
The system that runs our website sets cookies to allow it to run smoothly.
|wordpress_test_cookie||The cookie is used to check whether your web browser is set to allow, or reject cookies.||when you close your browser|
|wp-settings-||The cookie for WordPress admin account settings and preferences||6 weeks|
Logged in access
|shib_idp_session_ss||Allow the page to provide you with restricted content||when you close your browser|
|_shibsession_<number>||Allow the page to provide you with restricted content||when you close your browser|
|_saml_idp||Allow identity providers to identify you to authorise access||six months after last visiting the site|
|JSESSIONID||Allow identity providers keep track of you authorised access||when you close your browser|
NB: Cookie guidance wording adapted from gov.uk, shared under the Open Government License.