Browser cookies can, however, be nefarious when used in certain ways. When you revisit a website, you won’t have to log in again, because your Mac or iOS device has stored information about your session using cookies. Cookies can be useful, because they save information about you. You’ve certainly heard the term cookie not the kind that’s crunchy and sweet, but the kind that your web browser uses.
How To How to Manage and Remove Browser Cookies on Mac and iOS
