Cookies are small text files created by a web server, stored on the user's end device. Cookies, specifically the information stored in them, are read primarily by the server that created them. The purpose of saving cookies is to store the website user's data in the browser – saving the user's information, including the frequency of the user's visits to the website. Local storage files are used to facilitate the use of registration forms on the website because they save the data entered into the registration forms. Local storage files may store personal data. Only the website that generated cookies or local storage has access to them.