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How to do a browser hard-refresh?

Sometimes we may request you to do a hard refresh for debugging purposes.

All Browsers

Press Ctrl+F5 or Ctrl+Shift+F5 for a hard refresh.
Mac/Apple: Apple + R or command + R
Linux: F5

Google Chrome

You need to press Ctrl+F5 or Ctrl+Shift+F5. Although some have reported this works, others have said it does not work correctly.

Method 2

The JavaScript Console is available in two modes within Chrome DevTools: the primary Console tab, or as a split-view you can display while on another tab (such as Elements or Sources).

To open the Console tab, do one of the following:

  • Use the keyboard shortcut Command - Option - J (Mac) or Control -Shift -J (Windows/Linux).
  • Select View > Developer > JavaScript Console.

F12 doesn't appear to be mentioned here but will open this console as well.
Now, right click on browser refresh icon and select 'Empty Cache and Hard Reload'.

Source: How can I do a Cache Refresh in Google Chrome?
You can get more information about force refresh in this wiki page.