Our website, gfal.leeds.ac.uk, uses first-party cookies which are set by our web server as opposed to a different web server. They are categorised as strictly necessary, which are essential to the operation of the website, and performance cookies which collect anonymous information about the usage of our website. By using our website you agree that we can place these types of cookies on your device. We do not use cookies to collect personal information about you.

Should you wish to restrict or block cookies which are set by our website you can do this through your browser settings. The ‘help’ function within your browser or the manual that comes with your device should tell you how. You may also wish to visit www.aboutcookies.org which contains comprehensive information on how you can do this on a wide variety of browsers. Please be aware that restricting cookies may impact on the functionality of our website.

The table below explains the cookies we use and why:

Essential Cookies

These cookies are required for our website to function.

Cookie Information
NSC* NetScaler Appliance session cookie

These cookies are set by our Citrix NetScaler appliance and are used to ensure your browsing session remains on the same web server. It is deleted when you close your browser.


PHPSESSID PHP Session Cookie


This cookie stores a unique ID assigned by the web server. It is used to enable some site functionality to work properly. It is native to PHP and enables websites to store serialised state data. It is used to establish a user session and to pass state data via a temporary cookie, which is commonly referred to as a session cookie.



It is deleted when you close your browser.

Analytics Cookies

These cookies are used to track website visitors and their user behaviour. This data is then used to improve how the website works which can result to more effective user experience.

Cookie Information



These cookies are installed by Google Analytics. They are used to calculate visitor, session, campaign data and keep track of site usage for site’s analytics report. The cookie store information anonymously and assign a randomly generated number to identify unique visitors.

More information

Google privacy policy
Google analytics
Google analytics terms of service
Google tag manager terms of service
Universal Analytics opt-out browser add-on


2 years

NID Purpose

Registers a unique ID that identifies a returning user’s device. The ID is used for targeted ads.

_gcl_au Purpose

This cookie is used by Google Analytics to understand user interaction with the website. It is used by Google Tag Manager to track and store conversions.


3 months

_fbp Purpose

This cookie is set by Facebook to deliver advertisement when the are on Facebook or a digital platform powered by Facebook advertising after visiting the website.


3 months




A cookie that holds the current session data. This cookie makes sure that subsequent requests within the session window will be attributed to the same Hotjar session.


30 minutes









These cookies are used to provide statistical information about our website. They are used for performance measurements and improvement.


6 months

Third party cookies and tracking

If you share content from our website through other websites, for example Facebook or Twitter, cookies or a form of tracking may be used by these services and you need to manage your privacy via your account (and not through our site).

Cookie Information
__cf_bm Cloudflare Bot Management


Analytical Cookie


Cloudflare’s bot products identify and mitigate automated traffic to protect your site from bad bots. Cloudflare places this cookie on end-user devices that access customer sites protected by Bot Management or Bot Fight Mode. This cookie is necessary for these bot solutions to function properly.

Cloudflare Cookies


1 day

Manage your cookies and privacy

You can also manage your privacy settings, including cookies, through your browser settings.

Further information about cookies can be found on the Information Commissioner’s Office website.