AnandTech takes a look at some of the most popular browsers and checks out which of them offers the best battery life on Windows-based laptops, you can check it out over here. In two of the three test scenarios Internet Explorer 8 came out on top, while Apple's Safari 4 was always by far the worst browser in terms of energy-efficiency.
For testing, we load the three sites into tabs on our test web browser, wait 60 seconds, and then reload all three tabs. We are using three recently tested laptops that offered decent battery life. Two of these are the Gateway NV52 and NV58 that represent the current state of entry-level AMD and Intel laptops. The third is a netbook, the ASUS Eee PC 1005HA. None of these laptops would qualify as high-end solutions, mostly because we don't think users interested in battery life are going to be looking at high-end laptops. These three laptops provide a reasonable view of the current mobile market. If there is interest, we may look at extending this testing two other laptops in the future, but first let's see what sort of results we get from the test candidates.