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 2025.07.22 -

gov.usability. | General Services Administration	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v6R] 1/0.040342s	0.137534	77393	4.31	0.108469	77283	5.46	127%	graph
com.github  (https)	0.029934	546017	143.65	0.003337	0	0	n/a	graph
com.googletagmanager.www  (https)	0.029935	1561	0.41	0.032774	1561	0.37	91%	graph
com.linkedin.www  (https)	0.434848	138954	2.44	0.226701	138954	4.69	192%	graph
com.twitter  (https)  [v4R] 1/0.067690s	0.201167	273982	10.40	0.001320	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.045202s  [v6R] 1/0.042115s	0.292271	609998	15.94	0.353999	608584	13.15	83%	graph
gov.18f.methods  (https)	0.007688	0	0	0.003398	0	0	n/a	graph
gov.dhs.www  (https)	0.082923	104549	9.73	0.044205	104570	18.13	186%	graph
gov.digital  (https)	0.360182	56799	1.20	0.026662	56799	16.67	1385%	graph
gov.gsa.18f  (https)	0.008259	0	0	0.003454	0	0	n/a	graph
gov.gsa.www  [v4R] 1/0.006457s  [v6R] 1/0.005075s	0.029895	216706	57.01	0.027988	216706	61.23	107%	graph
gov.gsa.www  (https)	0.025968	216706	66.13	0.022550	216706	75.15	114%	graph
gov.gsaig.www  (https)	0.211524	63282	2.29	0.394366	63282	1.23	54%	graph
gov.justice.www  (https)	0.059118	99071	12.81	0.044205	99071	17.18	134%	graph
gov.search  (https)	0.379767	25409	0.51	0.059978	25409	3.29	642%	graph
gov.usa.blog  (https)	0.075298	52054	5.30	0.059399	52054	6.73	127%	graph
gov.usa.www  (https)	0.019147	48043	19.29	0.019786	48043	19.29	100%	graph
• gov.usability.www  (https)  [v4R] 1/0.027139s  [v6R] 1/0.027806s	0.393080	88519	1.72	0.051214	88519	13.24	771%	graph
IPv6 operational: 100% of linked subdomains (1/1), 78% of all linked domains (14/18)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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