A cookie is a small file of letters and numbers that we store on your browser or the hard drive of your computer if you agree. Cookies contain information that is transferred to your computer’s hard drive. This page describes what information they gather, how we use it and why we sometimes need to store these cookies.
We use the following cookies:
Site preferences cookies. In order to provide you with a great experience on this site we provide the functionality to set your preferences for how this site runs when you use it. In order to remember your preferences we need to set cookies so that this information can be called whenever you interact with a page is affected by your preferences.
Analytical/performance cookies. These allow us to recognise and count the number of visitors and to see how visitors move around our website when they are using it. This helps us to improve the way our website works, for example, by ensuring that users are finding what they are looking for easily.
We track visitor information using Google Analytics tracking code and Google Adwords conversion tracking code. You can find more information about the individual cookies we use and the purposes for which we use them in the table below:
|Analytical||_ga||To distinguish users|
|Column 0 Value||_utmv||Used to store visitor-level custom variable data. This cookie is created when a developer uses the setCustomVar method with a visitor level custom variable. This cookie was also used for the deprecated_setVar method. The cookie is updated every time data is sent to Google Analytics.|
Except for essential cookies, all cookies will expire after 2 years.