what are cookies and how website use cookies?

Cookies are the form of data that a website uses to see what a person want.

Website use cookies because they want to take care of the users interest.so the user may become happy and he wanted to visit the website again and in this way their business will increase.

Cookies is basically a data file that store information in a browser of what a user interested and which things he want on a particular site.i.e when a user visit a particular website like any ecommrece website,the website first tells him with a popup that they use cookies means they makes a cookies file of your intereat based on that site and make file of it in your browser.after that if you are searching any item like you search "Airpods" and the site shows you the result.after some time or days if you will visit again the same website.the website first search the browser weather it is a cookies file there if it found then the site will show you a particular results like you search "airpods" then you see most of the Aripods on the homepages of the site.

There are two types of cookies..

1.sectional cookies

There are the temporary types of cookies and they only works for the time when you are visiting the site and watching around like you are searching aripods but you are not finding the right one and you are searching again and again with different keyword then the site uses sectional cookies to show the user their desire product.

2.persistant cookies

As through name these are the cookies that remain persistant and remain in your pc browser permanently so each time you visit a website the site use cookies for the user better experience.

Here is the point thing is that the cookies files are different for different websites so each website has a different record of the users.