Question

What is the importance of setting or unsetting the Cookies data ??

Answer 1

In computer terminology, a cookie is a small file that contains data related to a specific website and computer. This can be accessed by the server or client computer.

It is essential to clear the cookies on a regular basis for two reasons. Firstly, clearing cookies help you with assuring that your privacy is not at stake. Secondly, websites will tend to load faster if cookies and cache are cleared periodically.

The steps involved in clearing cookies varies from browser to browser. However, irrespective of the browser you use, it is a very easy process.

Answer 2

Cookies stores small amount of data in the computer related to specific website and be accessed by the server as well as the client . for example if you have to load ha website the cookie will store the data in the website and then show you . If you have disabled cookie then the page will not load.
It is extremely important to regularly  clear the cookie in order to remove any chance of hacking and keep your privacy safe. And also clearing data of cookies will result in faster internet loading.