How to perform a hard refresh in common web browsers
A hard refresh clears your browser cache for a specific page, which forces it to load the most recent version of that page. This could include new scripts, styles or features.
Not a hard refresh
Clicking the "Reload/Refresh" icon on your browser address bar is not a hard refresh:

“Reload this page” is not a hard refresh
Common browsers
Google Chrome/Microsoft Edge
Windows users: hold down Ctrl and then press F5 on your keyboard
Mac users: hold down Cmd and Shift and then press R on your keyboard
Firefox
For Windows users: hold down Ctrl and then press F5 on your keyboard
Mac users: hold down ? Cmd and ? Shift and then press R on your keyboard
Safari (Mac)
Go to Safari > Empty Cache, or hit Opt + Cmd + E
To refresh, click the refresh button on the address bar or press Cmd + R