Cookies exist at various levels, and serve a variety of purposes. Some of the cookies we use are at system level. These maintain a session user ID for security reasons.
Some cookies are classed as essential in that they are needed to allow you to navigate the website, access the most relevant version (e.g. mobile) and let you use some of the features we provide, such as polls and surveys.
We also use visitor or performance cookies to understand what interests our users, help us improve how our website works, and measure how effective our website is. For example, these cookies track how many users access our site and how often, show how you entered our site, navigated through the site, and what information was of interest to you, and measure any errors you may have encountered. They also identify categories of visitors by items such as IP address, domain, and browser type pages visited. This is statistical data about our users' browsing actions and patterns, and does not identify any individual. However, if you have completed a form on our site, or asked us to get in touch with you, we may combine this information with information from our web analytic services and cookies to analyse how you use the site in more detail.
You can change your cookie settings for this website by clicking the '' button in the Cookie Control banner at the base of the page when you first visit the site.