How to clear cache, history, cookies, stored usernames and passwords, etc. in Apple Safari for MacOS Sierra.
- Select “Safari” > “Preferences“.
- Select “Privacy” at the top of the window.
- Select “Manage Website Data…“
- Choose the specific site you wish to clear data for, then select “Remove” or select “Remove All” to remove all data.
Do these steps every so often to ensure the browser is tuned up and free of private data from being stored on the hard drive.