Cookies are small text files that websites place on your device when you visit. They help sites remember your preferences, understand how you interact with content, and provide a smoother browsing experience.
Most modern websites use cookies in some form. They're essentially the website's memory—helping it recognize you when you return and remember choices you've made.
Cookies can be "session" cookies that disappear when you close your browser, or "persistent" cookies that remain on your device for a specified period.