Cookies & Security

When we provide any service to you, we want to make it easy to use, valuable and reliable. Where services are delivered on the internet, such as this website, this sometimes involves placing small amounts of information on your computer or mobile phone. These small files are known as cookies. They cannot be used to identify you personally.

The information contained within the cookies is used by us to improve our website by:

  • Measuring how many people are visiting the site, so we can ensure that there is enough capacity to provide a fast response
  • Analysing anonymous data to help us understand how people interact with the website so we can make it easier to use

If you would like to learn how to manage or remove cookies which have been set on your device please visit

First Party Cookies used on this site are:

Cookie Name Purpose Typical Content Expires
__utma Google Analytics - This cookie is used to determine unique visitors to our site. Randomly generated number 2 years
__utmb Google Analytics - These cookies work together to calculate the average length of time users spend on our site. Randomly generated number 30 minutes
__utmc Randomly generated number When user closes browser
__utmz Google Analytics - This cookie records information about how the page was reached (for example via a search engine result or a direct link). Randomly generated number info on how the site was reached 6 months


Full details on the cookies set by Google Analytics are published on the Google website. Google also publishes a browser add-on to allow you to choose that information about your website visit is not sent to Google Analytics.