1. What are cookies?
Cookies are small text files placed on your device when you visit a website. They are widely used to make websites work efficiently, to remember your preferences, and to provide information to site owners about how their site is being used.
Cookies can be "session cookies" — which are deleted when you close your browser — or "persistent cookies", which remain on your device for a set period or until you delete them. Cookies set by the website you are visiting are called "first-party cookies"; cookies set by other parties are called "third-party cookies".