What Is A Cookie? A cookie is a small data file that contains a unique identification number that a website places on your computer or mobile device when you visit the website. The cookie is able to store a variety of information used to improve and customize your browsing experience. Session-based cookies last while your browser is open. Persistent cookies last for various periods across browser restarts. Pixels, which are also known as pixel GIFs or web beacons, are related technologies that are used to set cookies or simply collect information about a single web interaction. You can find a list of the third-party cookies that our Sites use along with other relevant information in our cookie list. While we do our best to keep this table updated, please note that the number and names of cookies, pixels, and other technologies may change from time to time. Our Cookie ListManaging Your CookiesCookies On Sites We Link ToThroughout our Sites, we link out to other websites, such as publications, affiliates, advertisers, and partners. You should review other website operators’ privacy and cookie policies to determine the type and extent of tracking devices used by these other websites.