Cookies are created when you visit a website or other supported service. They are commonly used to support website functionality, improve the user's browsing experience, and provide more information about the user's experience and interests. This information is generally used to make content and services more relevant and useful during future visits.
A cookie is a simple text file that is stored on your computer or mobile device by a website's server. Only that server will be able to retrieve or read the contents of that cookie. Each cookie is unique to your web browser. It contains some anonymous information such as a unique identifier, the site name, and random digits and numbers. Cookies allow a website to remember your preferences.
For more details about cookies and details of how to delete and disable cookies you can visit www.aboutcookies.org.