This is encouraging news: Google reports that 3% of its traffic is now IPv6. This means that IPv6 traffic has more than doubled, each of the past four years.
A quick back of the envelope shows that that’s about 5.7 million IPv6 visitors each month, and most of that comes from US carrier Verizon wireless. That’s not surprising, considering that 39% of VZW’s traffic is IPv6.
So while 3% isn’t much as a percentage, it is a lot of traffic, and the rate of change is very good. All this bodes well for IPv6 adoption in the coming 24 months.