Actually, cookies are not harmful always but are small blocks or files to store some sort of data for later use. In this way, the web server uses the small blocks of files to store the temporary browsing history and information to improve the server experience to provide the batter services. In this way, this information stores the data on the user device, computer, mobile, phone call, or other digital tablet or device. So, when a user opens the website next time the server uses that data to redirect the information quickly. On the other hand, the business or third parties use that data to provide the services that users want from the company. It helps the company at the same time user to get the right thing from the right place.