Types of cookie
'Session' cookies remain in your browser during your browser session only, i.e. until you leave the website.
'Persistent' cookies remain in your browser after the session (unless deleted by you).
'Performance' cookies collect information about your use of the website, such as webpages visited and any error messages; they do not collect personally identifiable information, and the information collected is aggregated such that it is anonymous. Performance cookies are used to improve how a website works.
'Functionality' cookies allow the website to remember any choices you make about the website (such as changes to text size, customized pages) or enable services such as commenting on a blog.
Managing cookies on your device
Using your browser to control cookies
Most browsers allow you to view, manage, delete and block cookies for a website. Be aware that if you delete all cookies then any preferences you have set will be lost, including the ability to opt-out from cookies as this function itself requires placement of an opt out cookie on your device. Guidance on how to control cookies for common browsers is linked below.