Cookies

This page explains our use of cookies on this website. It gives information about which cookies we use and why we use them.

When we provide services, we want to make them easy, useful and reliable. Where services are delivered on the internet, this sometimes involves placing small amounts of information on your device, for example, computer or mobile phone. These include files known as cookies. They cannot be used to identify you personally.

These pieces of information are used to improve services for you through, for example:

  • enabling a service to recognise your device so you don't have to give the same information several times during one task
  • recognising that you may already have given a username and password so you don't need to do it for every web page requested
  • measuring how many people are using services, so they can be made easier to use and that there is enough capacity to ensure they are fast

You can manage these small files yourself and learn more about them - Internet browser cookies - what they are and how to manage them.

Our use of cookies

If you have answered a survey on our site, we use a cookie to prevent another invitation to respond to it being presented to you:

Name: count
Typical content: randomly generated number
Expires: 5 days

Cookies for improving service

Google Analytics sets cookies to help us accurately estimate the number of visitors to the website and volumes of usage:

Name: _utma
Typical content: randomly generated number
Expires: 2 years

Name: _utmb
Typical content: randomly generated number
Expires: 30 minutes

Name: _utmc
Typical content: randomly generated number
Expires: when user exits browser

Name: _utmd
Typical content: randomly generated number and information on how the site was reached (e.g. directly or via a link, organic search or paid search)
Expires: 6 months

For further details on the cookies set by Google Analytics, please refer to the Google Code website.

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