What is a cookie

Cookies are text files containing small amounts of information which are downloaded to your personal computer, mobile or other device when you visit a website. Cookies are then sent back to the originating website on each subsequent visit, or to another website that recognises that cookie. Cookies are useful because they allow a website to recognise a user's device.

How long are cookies stored for?

  • Persistent cookies - these cookies remain on a user's device for the period of time specified in the cookie. They are activated each time that the user visits the website that created that particular cookie.
  • Session cookies - these cookies allow website operators to link the actions of a user during a browser session. A browser session starts when a user opens the browser window and finishes when they close the browser window. Session cookies are created temporarily. Once you close the browser, all session cookies are deleted.

Cookies do lots of different jobs, like letting you navigate between pages efficiently, remembering your preferences, and generally improve the user experience.

Types of cookies used on this website?

  • Strictly necessary cookies - These cookies enable services you have specifically asked for. These cookies are essential in order to enable you to move around the Website and use its features, such as accessing secure areas of the Website.
  • Performance cookies - These cookies collect anonymous information on the pages visited. By using the Website, you agree that we can place these types of cookies on your device. These cookies collect information about how visitors use the Website, for instance which pages visitors go to most often, and if they get error messages from web pages. These cookies don't collect information that identifies a visitor. All information these cookies collect is aggregated and therefore anonymous. It is only used to improve how the Website works.
  • Functionality cookies - These cookies allow the Website to remember choices you make (such as your user name, language or the region you are in) and provide enhanced, more personal features. These cookies can also be used to remember changes you have made to text size, fonts and other parts of web pages that you can customise. They may also be used to provide services you have asked for such as watching a video or commenting on a blog. The information these cookies collect may be anonymised and they cannot track your browsing activity on other websites.
  • Google Analytics - We use Google Analytics to analyse the use of this website. Google Analytics generates statistical and other information about website use. The information generated relating to our website is used to create reports about the use of the website. Google will store this information. Google's privacy policy is available at: http://www.google.com/privacypolicy.html

Cookies we use

We use the following cookies:

Category Cookie Name Purpose
Necessary Cookies PHPSESSID Necessary cookies enable core functionality. The website cannot function properly without these cookies, and can only be disabled by changing your browser preferences.
Necessary Cookies __utma, __utmb These cookies are used to store information, such as what time your current visit occurred, whether you have been to the site before, and what site referred you to the web page.
Necessary Cookies __utmc These cookies contain no personally identifiable information but they will use your computer’s IP address to know from where in the world you are accessing the Internet.
Necessary Cookies __utmv, __utmz Google stores the information collected by these cookies on servers in the United States. Google may transfer this information to third-parties where required to do so by law, or where such third-parties process the information on Google’s behalf.

Opt-Out

In order to provide website visitors with more choice on how data is collected by Google Analytics, Google has developed the Google Analytics Opt-out Browser Add-on. The add-on communicates with the Google Analytics JavaScript (ga.js) to stop data being sent to Google Analytics. The Google Analytics Opt-out Browser Add-on does not affect usage of the website in any other way. A link to further information on the Google Analytics Opt-out Browser Add-on is provided below for your convenience.

Download the Addon Click here

For more information on the usage of cookies by Google Analytics please see the Google website. A link to the privacy advice for this product is provided below for your convenience. Click here

Third Party Cookies

These cookies allow third parties to track the success of their application or customise the application for you. Because of how cookies work we cannot access these cookies, nor can the third parties access the data in cookies used on our site.

For example, if you choose to ‘share’ content through Twitter or other social networks you might be sent cookies from these websites. We don't control the setting of these cookies, so please check those websites for more information about their cookies and how to manage them.

Disabling Cookies

If you would like to restrict the use of cookies you can control this in your Internet browser. Links to advice on how to do this for the most popular Internet browsers are provided below for convenience and will be available for the Internet browser of your choice either online or via the software help (normally available via key F1).