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 2025.08.15 -

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)  [v4R] 1/0.107161s	0.284833	78191	2.10	0.126539	78977	4.78	228%	graph
com.github  (https)	0.050370	553757	84.50	0.003300	0	0	n/a	graph
com.googletagmanager.www  (https)	0.034265	1561	0.35	0.031979	1561	0.38	110%	graph
com.linkedin.www  (https)	0.163745	139031	6.51	0.179587	139031	5.93	91%	graph
com.twitter  (https)  [v4R] 1/0.070250s	0.221990	276204	9.54	0.001186	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.039350s  [v6R] 1/0.036292s	0.229527	663660	22.11	0.213650	670289	24.01	109%	graph
gov.18f.methods  (https)	0.007523	0	0	0.007575	0	0	n/a	graph
gov.dhs.www  (https)	0.112794	106051	7.22	0.083158	106075	9.75	135%	graph
gov.digital  (https)	0.363172	56801	1.19	0.025957	56801	17.33	1452%	graph
gov.gsa.18f  (https)	0.003968	0	0	0.003443	0	0	n/a	graph
gov.gsa.www  [v4R] 1/0.005103s  [v6R] 1/0.005134s	0.027051	216185	61.09	0.028466	216185	58.91	96%	graph
gov.gsa.www  (https)	0.037505	216185	44.58	0.029541	216185	56.87	128%	graph
gov.gsaig.www  (https)	1.022051	63015	0.47	1.085152	63015	0.44	94%	graph
gov.justice.www  (https)	0.032030	99121	23.63	0.070750	99121	10.80	46%	graph
gov.search  (https)  [v4R] 1/0.031308s  [v6R] 1/0.028894s	0.340722	33171	0.74	0.052957	33171	4.87	654%	graph
gov.usa.blog  (https)	0.080657	52054	4.96	0.054261	52054	7.35	148%	graph
gov.usa.www  (https)	0.021089	48047	17.46	0.021064	48047	17.46	100%	graph
• gov.usability.www  (https)  [v4R] 1/0.032731s  [v6R] 1/0.035563s	0.398268	88519	1.70	0.055402	88519	12.28	724%	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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