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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 stop this site using non-essential cookies by updating your settings using the toggle switch above to disable/enable.

You can also decide to stop this or any site from using any cookies. To learn more about cookies and how to manage them visit

How we use cookies

We use cookies for several purposes on this website – we’ve listed each of them below with more details about why we use them and how long they’ll last.

Cookies to improve your experience

You can tell us to stop using these at any time by updating your settings above.

Measuring website usage (Google Analytics)

We use Google Analytics 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. As well as controlling this above - you can opt out of Google Analytics tracking directly.

Google Analytics 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 Google Analytics:

Name Purpose Expires
_ga This helps us count how many people visit the site by tracking if you've visited before 2 years
_utma Like _ga, this lets us know if you’ve visited before, so we can count how many of our visitors are new to the site or to a certain page 2 years
_utmb This works with _utmc to calculate the average length of time you spend on the site 30 minutes
_utmc This works with _utmb to calculate when you close your browser when you close your browser
_utmz This tells us how you reached the site (like from another website or a search engine) 6 months
_gat_UA-376728-1 This is used by Google Analytics to ensure its work doesn't have a big impact on the site's performance 1 day

Essential cookies

Website operation

The system that runs our website sets cookies to allow it to run smoothly.

Name Purpose Expires
PHPSESSID   when you close your browser
has_js This tells the site whether you're using JavaScript or not when you close your browser
visitedPreviously randomly generated number 60 days
ssess Allow the page to provide you with content  
adaptiveLibraryDefaultState Used to remember your display preferences  
jisc_eprivacy Used to remember your privacy preferences 90 days

Logged in access

Our system uses cookies to allow you to log into the site, and access restricted content and services.

Name Purpose Expires
PHPSESSID To store a the logged in user's username and a 128bit encrypted key. This information is required to allow a user to stay logged in to a web site without needing to submit their username and password for each page visited. Without this cookie, a user is unable to proceed to areas of the web site that require authenticated access. when you close your browser
loginCheck   when you close your browser


To store a user’s shopping basket when you close your browser
_saml_idp Allow our identity provider to recognise you six months after last visiting the site
_shibsession_<number> Allow the page to provide you with restricted content when you close your browser
sso_linked Used for linking a licence subscriptions manager local user account to an institution login. Will be set to 1 if, after authenticating, the ID returned from the IdP above was matched with a local account. If 1, shows "Login with previous IdP" button instead of asking for name / password. 3 weeks


Used to improve the performance of the site for logged-in users when you close your browser

NB: Cookie guidance wording adapted from, shared under the Open Government Licence.


  • Please note, if you have used the site in the past these cookies may still be on your computer - but by disabling them in your settings we will no longer access them.