Given that that it has 5-6% of market share, I think it is fair to leave it out of the major browsers. Not ignorable, but hardly major. It is iffy to even place

Given that that it has 5-6% of market share, I think it is fair to leave it out of the major browsers. Not ignorable, but hardly major. It is iffy to even place Chrome as one, even though it seems like it will be in the future.