Cookie Policy

What is a cookie?

A cookie is a small text file which is downloaded to your device when you visit a website. The information it contains is sent back to the originating website as you move between pages, or sometimes to another website which recognises the cookie. You can read more about cookies at: and; or watch a video at

What do we use cookies for?

The main cookies we use are called "session" cookies. These allow us to see how many people are currently using the site and to help logged-in users, e.g. those editing content, to navigate sensibly from page to page. We also use cookies from Google Analytics to help us analyse the use of the site. These do not collect any personal information. We do not use cookies which deliver advertisements, collect information about your browsing habits, or pass any personal data onto third parties. However, you can still refuse these cookies if you want to by disabling “third-party” cookies in your browser. There are also some 'external' links which leave the site completely, such as the link to Twitter at the bottom of each page. We do not take responsibility for any cookies that may be downloaded once you click one of those.

Which cookies do we use?

Below is a list of cookies that may be downloaded by this site, depending on which pages you visit.

cb-enabled This cookie is associated with a free script which shows a cookie alert notice on a website. It is used to record when the user has dismissed the notice to prevent it re-appearing on return visits.

_ga This cookie is asssociated with Google Universal Analytics and is used to distinguishes unique visitors.

_gat This cookie is also associated with Google Universal Analytics and is used to limit the collection of data on high traffic sites. It expires after 10 minutes.

_gid TThis cookie is associated with Google Universal Analytics and is used to distinguish unique visitors. This takes 24 hours to expire.

MoodleSession This cookie is associated with Moodle and helps to keep your session on the site consistent. If this is disabled it could cause trouble keeping you logged in while navigating around Integral. It expires when your session is over.

_cfduid This is a cloudflare security cookie used to identify individual clients behind a shared IP address and apply security settings on a per-client basis. For example, if the visitor is in a coffee shop where there are a bunch of infected machines, but the specific visitor's machine is trusted the cookie allows us to identify that client and not challenge them again.

2017 MEI. Integral is produced by MEI, an independent charity committed to improving mathematics education. Registered Charity Number 1058911.