Of the 773 most popular websites we checked, 36.9% publish an IPv6 address, 36.4% actually answer on it, and 23.5% have their website, mail and DNS all on IPv6.
Based on 997 of 1,000 sites checked so far; 224 of those have no website address and are left out.
Frozen 2026-11-01. Cohort: Tranco list PYK6J, top 1,000 (30 Sep – 29 Oct 2026) — the same sites every month. Download this month's data (CSV) · How we measure
Publishing an AAAA record and actually answering on it aren't the same thing — a site can advertise IPv6 and then time out. And a website on IPv6 can still have mail servers and nameservers that aren't. Most IPv6 statistics count only the first.