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 2021.05.18 -

gov.globalchange. | United States Global Change Research Program	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.196	195992	7.62	0.272	196044	5.50	72%	graph
com.googleapis.fonts  (https)	0.143	1588	0.08	0.144	1588	0.08	99%	graph
com.twitter  (https)	0.587	63819	0.83	0.000	0	0	n/a	graph
gov.globalchange.carbon2018  (https)	0.774	75133	0.74	0.255	75133	2.25	304%	graph
gov.globalchange.nca2018  (https)	0.340	67359	1.51	0.232	67359	2.21	146%	graph
gov.globalchange.science2017  (https)	0.389	25495	0.50	0.060	0	0	n/a	graph
• gov.globalchange.www  (https)	0.330	27267	0.63	0.368	27267	0.57	90%	graph
IPv6 operational: 75% of linked subdomains (3/4), 71% of all linked domains (5/7)	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