What are cookies? How are they used by websites to track you?

Question :

What are cookies? How are they used by websites to track you?

cookies are small pieces of information websites can store in your browser. Cookies can be –

1. First Party Cookies- These are the cookies that store your own log in id, password, and auto fill information etc.

2. Third Party Cookies: These are the cookies that websites store to know about your search history and web browsing history so as to place advertisements as per your interests.