Step 1 – Click the Safari option on the menu bar at the top of the screen.
Step 2 – Click the Preferences option and the Preferences window will appear.
Step 3 – In the Preferences window, go to the Advanced tab. Once there, make sure that Show Developer Menu in Menu Bar is checked.
Step 4 – In the top menu bar of the Apple Safari browser, you will now see a Developer option.
Step 5 – Click the Developer option, and then select the Empty Caches option to clear your cache.