If you’re worried about your web history and want to start afresh, you can easily start clearing cookies on Mac using any of the major web browsers below: It also allows you to stay signed into websites you visit.Ĭookies aren’t inherently bad, but some websites do use them to track your web usage online too widely. Have you ever viewed a product on a website and found yourself followed by the same product in advertisements all over the web? These are cookies in action - tiny pieces of data that records information on you (and your web usage) for other websites to track.