How to Auto-Refresh in Mozilla Firefox Browser? Open the “Mozilla Firefox” Browser. Click the “Tools” Button in the Menu Bar. Select “Add-ons.” Search for ” Reload Every ” Add on in the Search box. Click the Install Button next to Reload Every Add on. A Dialogue box will come up asking you to Restart Firefox. Click “Restart Firefox.” Once Firefox Launches, Open any Website. To Apply Auto Refresh; Right-Click anywhere on the Web Page. Click “Reload Every.” Menu and Choose the time Interval You Want the Page to Auto Refresh. As You Can See Website is Getting Auto Refreshed Every 5 seconds.