Step 1
Click on the ALT-key, when the menubar on top of the screen isn’t visible.
Step 2
Click on Edit in the menubar.
Step 3
Click on Empty Cache… in the menu.
Step 4
Click on Empty in the pop-up box.
Force Refresh Safari
Usally a “force refresh” is enough. You can achieve this by pressing the following key combination:
On PC: Ctrl + F5
On Apple MAC: CMD + R