Here are some results from a test Luke Wroblewski did many years ago. The best performing option was where the buttons were left aligned. See: https://www.luk

Here are some results from a test Luke Wroblewski did many years ago. The best performing option was where the buttons were left aligned. See: https://www.lukew.com/ff/entry.asp?571 https://www.lukew.com/ff/entry.asp?571 But agreed, if you can test your designs with users then you should.