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They allow us to recognise and count the number of visitors and to see how visitors move around this website when they are using it. This helps us to improve the way this website works, for example, by ensuring that users are finding what they are looking for easily.
These are used to recognise you when you return to this website. This enables us to personalise our content for you, greet you by name and remember your preferences (for example, your choice of language).