How we use cookies

We may use cookies on our website in order to personalise our service to you. If you do not want cookies to be used, you can set your internet browser to deny them.

Reviewed: October 2015

What are cookies?

Cookies are small text files placed on your computer by websites you visit.

They are widely used to make websites work more efficiently for visitors, and to provide information to the owners of the site. Some of the cookies we use are essential in order for parts of the website to operate. In the table below we have given a description and purpose for each cookie we use.

How do we use cookies on the website?

We use cookies on the website for our own internal purposes, to track how users navigate through the website. This helps us to evaluate and improve the Macmillan website and our online services. 

We use information derived from cookies in order to:

  • compile statistics on how our website is being used, which can help us to improve our website and online services. 
  • facilitate users' ability to navigate through the website. 
  • ascertain whether the website is operating effectively.
  • personalise and improve the service we offer you by understanding your preferences and establishing which areas of the website are most relevant to you. 

We also use cookie technology with our online registration forms to ensure we maintain your confidentiality and security as you move through secure or password protected areas of the our websites.

Third party cookies

We also use third party advertising companies to serve ads when you visit our website. These companies may use information (not including your name, address, email address or telephone number) about your visits to this and other websites in order to provide advertisement about goods and services that may be of interest to you. 

Managing cookies

In your web browser you can control which types of cookies you allow. You can turn cookies on or off using your browser's settings. You can also delete cookies and clear your browser's cache (history). 

Learn more about how to manage cookies.


Our cookies

  1. ASP.NET_SessionId (General) This is used for logs and maintenance and closes when you exit the browser.
  2. __utma (General) This stores the amount of visits, the time of your first visit, the previous visit, and your current visit. It does not contain any personal information and is used only for analytical purposes.
  3. __utmb (General) This checks how long you stay on a site: when a visit starts, and ends. It does not contain any personal information and is used only for analytical purposes.
  4. __utmc (General) Same as above.
  5. __utmz (General) This necessary performance cookie stores information on where you came from (eg. search engine, search keyword, link)
  6. AnonymousUser (General) This is used in the saved pages functionality in My Macmillan. When the user saves a page as a guest we create a temporary user id and this cookie is used to store that value.
  7. Savedpageskey (General) This is used in saved pages functionality in My Macmillan. In the browser we also have a copy of all the saved pages for the user and we use 'Savedpageskey' cookie value as a key for that data.
  8. Trackurlkey (General) This is used in WBCM registration. WBCM registration link is sent through different campaigns and they have a pre-selected how heard options which is determined through the value sent in the query string. This value is then stored in this cookie for 2 weeks. Just in case the user returns to register later.
  9. JSESSIONID(search.macmillan.org.uk) This is set when you arrive at the site and is deleted when you close the browser. The cookie stores the session key that is generated for each user. It may be used for logs and system maintenance. 
  10. AuthorizationCookie (community.macmillan.org.uk) A Globally Unique Identifier (GUID). It is used for security purposes. 
  11. .Telligent.Evolution(community.macmillan.org.uk) An ASP.NET authentication cookie. It is used to support the login system. A Globally Unique Identifier (GUID). It is used for security purposes.
  12. CommunityServer (community.macmillan.org.uk) An ASP.NET authentication cookie, this is used to support the login system.
  13. .te.dpr (community.macmillan.org.uk) Stores the device pixel ratio. Used when providing resized images to the clients to ensure that users get properly resized images on high resolution displays.
  14. ComunityV3SsoLoggedIn_MacmillanSSO (community.macmillan.org.uk) Holds the current single sign on (SSO) status.
  15. PHPSESSID (thebigmix.co.uk) This is set when you arrive at the site and is deleted when you close the browser. This cookie stores the session key that is generated for each user. The cookie may be used for logs and system maintenance.
  16. CCCustomerId (community.macmillan.org.uk) This is used to track visitors to our live chat room. This is currently offline but the code is still running. We will be fully removing this functionality in the near future.
  17. Comunity_AB_homepage (community.macmillan.org.uk) Stores the users choice of homepages.
  18. TelligentMobileAuthCookie (community.macmillan.org.uk) A Globally Unique Identifier (GUID). It is used for security purposes.
  19. FullSiteOnly (community.macmillan.org.uk) Stores a users decision to use the desktop rather than the mobile site, when they access the site on a mobile device.
  20. FullSiteTemporary (community.macmillan.org.uk) Stops users on mobile devices being redirected back to the mobile site, when they request content that only exists on the desktop site.
  21. __RequestVerificationToken_Lw__ (community.macmillan.org.uk) This is used as a way of detecting and preventing users posting malicious content on the community.
  22. ASPSESSIONIDSSSADDSC (clickfortic.org.uk) Same as above.
  23. seen-warning (clickfortic.org.uk) This cookie is no longer in active use. While it is still created it doesn't contain any data.
  24. ASPDNSFGUID (be.macmillan.org.uk) This is set when you arrive at the site and is deleted when you close the browser. The cookie stores the session key that is generated for each user. The cookie may be used for logs and system maintenance.
  25. contrast (be.macmillan.org.uk) This is for accessibility purposes; it enables a specially adapted style sheet to kick-in if needed or requested by you.
  26. macsurvey_2012-03-20-7 (coffee.macmillan.org.uk) This functionality cookie makes sure we only bother you once with our 'World's Biggest Coffee Morning survey'. No personal information is stored.
  27. ASPSESSIONIDQCCRSRCD (coffeeregistration.macmillan.org.uk) Set when you arrive at the site and is deleted when you close the browser. The cookie stores the session key that is generated for each user. The cookie may be used for logs and system maintenance.
  28. CART (shop.macmillan.org.uk) Same as above.
  29. welcome_code (shop.macmillan.org.uk) Same as above.
  30. eid (shop.macmillan.org.uk) This is stored on your machine to help us automatically create the previous basket that was in use on your computer. It also gives us the ability to tailor content based on a previous visit. No personal information is stored.  
  31. JSESSIONID (m.macmillan.org.uk) Set when you arrive at the site and is deleted when you close the browser. The cookie stores the session key that is generated for each user. The cookie may be used for logs and system maintenance.
  32. device (m.macmillan.org.uk) Same as above.  
  33. MoodleSessionTest (learnzone.macmillan.org.uk) Set when you arrive at the site and is deleted when you close the browser. The cookie stores the session key that is generated for each user. The cookie may be used for logs and system maintenance.
  34. MoodleSession (learnzone.macmillan.org.uk) This provides continuity and maintains your login from page to page. When you log out or close the browser this cookie is deleted (in your browser and on the server).
  35. MOODLEID1_ (learnzone.macmillan.org.uk) A login functionality cookie, that remembers your username for the next time you visit this site.  This auto-populates the username field on the log-in page on your next visit.
  36. fcspersistslider1 (learnzone.macmillan.org.uk) This functionality cookie is required by the content slider on the home page. It does not store any personal information.  
  37. lastingtribute (macmillan.tributefunds.com) This is set when you arrive at the site and is deleted when you close the browser.  The cookie stores the session key that is generated for each user. The cookie may be used for logs and system maintenance.
  38. Macmillan.BiggestThankYou.Web.FirstVisitCookie (biggestthankyou.org.uk) Same as above.
  39. __utmv (General) This strictly necessary performance cookie stores custom variables that we track (eg. specific clicks or downloads).
  40. csm-hit (amazon.co.uk) This is generated by our partner site and not managed by us. It is generated when you follow an affiliate link from the shop and allows our partner to track what goods you buy for a limited amount of time after you followed the link. It then uses this information to give us a share of their profits.
  41. earcusession (jobs.macmillan.org.uk) This is set when you arrive at the site and is deleted when you close the browser. The cookie enables us to remember your search criteria and apply for vacancies with your browser session.
  42. SSORegister (General) This is used by MyMacmillan when a new user registers. It is used to check if the user is in session throughout the Registration process.
  43. MacmillanSSO (General) This is used by MyMacmillan when a user logs in. It is used to identify which, if any, user is logged in right now.

If you have any questions about our cookies policy, please get in touch with our web team at webmanager@macmillan.org.uk