Refresh Method Example
Set objIExplorer = CreateObject("internetexplorer.application")
objIExplorer.visible = True
objIExplorer.navigate "google.com"
Do While objIExplorer.Busy
WScript.Sleep 1000
Loop
Msgbox "Page is now completely open. Now it will refresh"
Do While objIExplorer.Busy
WScript.Sleep 1000
Loop
objIExplorer.Refresh
See all Methods & Properties of InternetExplorer Object here.