A third-party cookieA small piece of data stored in the browser. A site can use it to remember login, settings, or a tra... More does not come directly from the site you opened, but from an outside service embedded on the page. That service may be present on many sites and can build a picture of your behavior across the web.
Why it matters: Third-party cookiesA small piece of data stored in the browser. A site can use it to remember login, settings, or a tra... More are a common basis for advertising tracking.
