1. What are cookies
Cookies are small text files placed on your device by a website when you visit it. They allow the website to remember your actions and preferences over time or during a session, so you don't have to re-enter information each time you navigate between pages.
Cookies can be "session cookies" (deleted when you close your browser) or "persistent cookies" (which remain on your device until they expire or you delete them). They may be set by the website you're visiting ("first-party cookies") or by other services embedded in that page ("third-party cookies").