What Are Cookies? Cookies are a feature of web browser software that allows web servers to recognize the computer used to access a website. Cookies are small pieces of data that are stored by a user's web browser on the user's hard drive. Cookies can remember what information a user accesses on one web page to simplify subsequent interactions with that website by the same user or to use the information to streamline the user's transactions on related web pages. This makes it easier for a user to move from web page to web page and to complete commercial transactions over the Internet. Cookies should make your online experience easier and more personalized.