Perform a Hard Refresh

1. Hold down Ctrl and click the Reload button.
2. Or, Hold down Ctrl and press F5.

1. Hold ⇧ Shift and click the Reload button.
2. Or, hold down ⌘ Cmd and ⇧ Shift key and then press R.

For more info... https://www.getfilecloud.com/blog/2015/03/tech-tip-how-to-do-hard-refresh-in-browsers/