Safari | Preferences | Privacy | Cookies and Website data | Allow from current website only I was expecting that, with this setting in place, it would cut down on the number of cookies stored on my computer. But those cookies keep on growing, including a ton of them for domains that I've never intentionally visited. Any ideas? In the days when I was using Internet Explorer, the option to store session cookies only seemed to do the trick. Once your session was over, the cookie was gone. Which seems quite different to the effects of the setting above.