Learn how to delete your history, cookies, and cache using the Settings app. When we can't log in to Facebook or a page won't load, we're often told to clear our cache. But what does that mean - and how do you do it?. For peace of mind and a better browsing experience you can clear your Safari cookies, cache and history. Here's how to do it on OS X and. More ways to shop: Close any open Safari windows and select Empty Caches stae games the Develop menu. In the dialog box that appears once you've clicked Edit, select the site in the list and click the Remove button. Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site. Cache is not limited to Safari or any browsing app for the matter, but to all apps.