Open Safari
Click Safari menu
Click Settings or Preferences
Go to Advanced
Enable “Show Develop menu in menu bar”
Close Settings or Preferences
Click Develop menu
Click Empty Caches
Optional: Clear website data
Click Safari menu
Click Settings or Preferences
Go to Privacy
Click Manage Website Data
Click Remove All or remove data for specific sites
Optional: Clear history
Click History menu
Click Clear History
Select a time range
Click Clear History