Actually, these numbers are quite significant to anybody doing mobile web development. Android, iPhone, and WebOS all use Webkit-based browsers. Javascript per

Actually, these numbers are quite significant to anybody doing mobile web development. Android, iPhone, and WebOS all use Webkit-based browsers. Javascript performance is particularly relevant for Palm, since all of their applications are JS based. There's also certain audiences (like HN), where IE is a fractional minority. IE is still keeping us back in the overall market, but there are certain emerging niches where these benchmarks really matter.