When you browse the internet and visit web pages, they save small information files on your computer and phone. These files are stored in the memory of your phone or computer. Later on, when you visit the same websites, these saved information files allow the sites to recognize you. The functions of cookies are generally in this direction. Since your information is written to these files, you don't need to enter your information again when you visit the same web pages. These saved information files are called cookies. The function of cookies is to remind the user of the website. When cookies are used correctly, the user experience becomes more efficient.

The use of cookies is necessary to check whether users are visiting the same websites again and to obtain more information. By allowing cookies, you give the website the right to remember you for your next visit. Cookies can include a lot of information, including personal information. Websites can only access the information you have allowed. These websites cannot access information you have not given or view other files on your computer. Nowadays, there are almost no websites that do not use cookies. Some cookies are mandatory for the functioning of websites. Cookies that are useful for user experience are used by almost all websites today. Shopping websites, news websites, and banks make heavy use of cookies' functions. Websites use cookies to remember your country, language settings, user ID, password, and personal information. The functions of cookies are varied. They can also be used to remember whether you have visited the site before and what you did during that visit. Platforms used for online shopping can use cookies to remind you of the products you added to your cart earlier.