The problem with this test is that in order to run IE10 the guy had to use the Win8 preview environment, which much of the design for the OS itself is to preserve battery life, and no amount of "Win7 default values" is going to change that. The result is that IE10 runs on a more energy efficient OS, whereas the rest of the tests are on Windows 7. So unless the guy tests all of the browsers in the Win8 environment, IE10 should not be included, or it should be added as an extra and not be juxtaposed to the rest of the test subjects.