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 2025.09.19 -

gov.digital. | General Services Administration	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.139710s	0.317701	76227	1.83	0.177454	77023	3.32	181%	graph
com.github  (https)	0.032802	560852	133.72	0.003382	0	0	n/a	graph
com.linkedin.www  (https)	0.236786	138898	4.49	0.238305	138894	4.45	99%	graph
com.twitter  (https)  [v4R] 1/0.057561s	0.188597	220102	8.93	0.003339	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.039765s  [v6R] 1/0.036926s	0.198072	663543	25.57	0.212785	663387	23.87	93%	graph
gov.digital  (https)	0.384648	57697	1.15	0.027942	57697	16.30	1422%	graph
• gov.digital.www  (https)  [v4R] 1/0.029173s  [v6R] 1/0.030241s	0.050848	57697	8.80	0.053406	57697	8.31	94%	graph
gov.gsa.18f  (https)	0.007695	0	0	0.007534	0	0	n/a	graph
gov.gsa.www  [v4R] 1/0.021399s  [v6R] 1/0.012861s	0.045940	207010	35.10	0.034704	207010	46.45	132%	graph
gov.gsa.www  (https)	0.023711	207010	68.67	0.023992	207010	68.67	100%	graph
gov.gsaig.www  (https)	0.205409	64090	2.39	0.550973	64090	0.89	37%	graph
gov.section508.www  (https)	0.036502	34643	7.34	0.046426	34643	5.75	78%	graph
gov.usa.www  (https)	0.018710	48043	20.36	0.019087	48043	19.29	95%	graph
IPv6 operational: 100% of linked subdomains (2/2), 77% of all linked domains (10/13)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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