Sub NbCelNonVidePlage()
Dim plg As Range, dl As Long, NbCel As Long, i As Long
With ActiveSheet
Set plg = .Range("E3:T" & .UsedRange.SpecialCells(xlCellTypeLastCell).Row)
End With
Debug.Print plg.Rows.Count, plg.Columns.Count
NbCel = Application.WorksheetFunction.CountA(plg)
'Debug.Print NbCel
For i = 3 To plg.Rows.Count
Debug.Print "Ligne" & i, Application.CountA(plg(i))
Debug.Print "Ligne" & i, Application.CountA(plg.Range(Cells(i, 1), Cells(i, plg.Columns.Count + 4)))
Next i
End Sub