This site may also offer e-commerce and payment facilities, and some cookies are essential to ensure that your order is remembered between pages so that we can process it properly.
Sometimes we test new features and make subtle changes to the way that the site is delivered. When we are still testing new features these cookies may be used to ensure that you receive a consistent experience while on the site. They also help us understand which optimisations our users appreciate the most.
When you submit data to us through a form like those found on contact pages or comment forms, cookies may be set to remember your user details for future correspondence.