Hi there, we see you're using OS, why not try our app?
Download
Skip to main content
1

Coronavirus update

You can still travel to donate. Giving blood and platelets is essential to the NHS and vulnerable patients. Please keep donating.

Find out the latest updates

Functional cookies

A list of the functional cookies used on this site

Cookie
Cookie
Purpose
Purpose
Expiry
Expiry
.ASPXAUTH
Purpose
This cookie is supports the login functionality for my.blood.co.uk.
Expiry
Cookies are deleted on browser closure unless the browser settings or user over rule this.
__RequestVerificationToken
Purpose
This cookie supports the technical framework (MVC4) for my.blood.co.uk by generating a code when the application is loaded in the client browser and sent back to server for verification.
Expiry
Cookies are deleted on browser closure unless the browser settings or user over rule this.
ASP.NET_SessionId
Purpose
This cookie is used by my.blood.co.uk to manage the automatic timeout of a logged in status as part of the applications security features.
Expiry
Cookies are deleted on browser closure unless the browser settings or user over rule this.
ASP.NET_SessionId
Purpose
This cookie is used by smartsurvey.co.uk when a user completes a survey. The cookie is used to manage progress in a survey only.
Expiry
Cookies are deleted on browser closure unless the browser settings or user over rule this.
JSESSIONID
Purpose
.nr-data.net - The JSESSIONID cookie is used to store a session identifier so that New Relic can monitor session counts for an application. The cookie value is generated by Jetty
Expiry
https://docs.newrelic.com/docs/browser/new-relic-browser/page-load-timing-resources/new-relic-cookies-used-browser
sf
Purpose
This cookie is used by my.blood.co.uk to remember the location (e.g. Sheffield) if a user performs a location search before logging in.
Expiry
Cookies are deleted on browser closure unless the browser settings or user over rule this.
sgpm* (where the * will be random letters and numbers)
Purpose
This cookie is used by popupmaker.com to support features such as remembering a pop up was shown e.g. guidance for contacting us. If such features are not used then no cookie will be present.
Expiry
Cookies are deleted on browser closure unless the browser settings or user over rule this.
SERVERID
Purpose
This cookie is used for balancing traffic across multiple servers.
Expiry
Cookies are deleted on browser closure unless the browser settings or user over rule this.
nhsbt_user_cookie
Purpose
This cookie is used by my.blood.co.uk if a user wants their user name to be remembered for sign in. The username is then stored in the cookie.
Expiry
Stored for 1 year after creation unless the browser settings or user over rule this.
BD[number] or BT[number]
Purpose
Supports functionality that displays messages on certain pages. For example, to advise on appointment booking options.
Expiry
Cookies are deleted on browser closure unless the browser settings or user over rule this.