Referenced Domain IPv4/IPv6 Web Statistics

Background and Methodology	IPv6 & DNSSEC SnapShots
USG IPv6 & DNSSEC Statistics	USG IPv4 Statistics
Industry IPv6 & DNSSEC Statistics	Industry IPv4 Statistics
University IPv6 & DNSSEC Statistics	University IPv4 Statistics
CFO Act Agency Summary Statistics	USG IPv6 Enabled WWW Sites

- Referenced Domain Web Statistics for 2021.04.30 -

gov.fda. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.310	191437	4.72	0.232	191561	6.31	134%	graph
com.twitter.www  (https)  [v4R] 1/0.422s	0.963	63072	0.50	0.000	0	0	n/a	graph
com.youtube.www  (https)	0.646	682370	8.06	0.662	618520	7.13	88%	graph
gov.fda.www  [v4R] 1/0.132s  [v6R] 1/0.024s	0.271	54679	1.54	0.181	54679	2.30	149%	graph
• gov.fda.www  (https)	0.141	54679	2.96	0.143	54679	2.93	99%	graph
gov.hhs.www  (https)	0.310	51648	1.27	0.148	50629	2.60	205%	graph
gov.usa.www  (https)	0.129	107769	6.37	0.493	107769	1.67	26%	graph
IPv6 operational: 100% of linked subdomains (2/2), 86% of all linked domains (6/7)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

For comments, questions or suggested domains please contact: usgv6-deploymon@nist.gov