If Safari is running slowly, pages are loading incorrectly, or websites are acting up on your Mac, clearing its cache can help fix the problem. In this video, we’ll show you how to clear Safari cache on a Mac using Safari’s Develop menu.
Step 1: Open Safari, then click the menu bar
Step 2: Then click the menu bar, go to Settings (or Preferences)
Step 3: Click on the Advanced tab, then check the Show Develop menu in menu bar box
Step 4: Go back to the Safari menu, click Develop
Step 6: Then, select Empty Caches.