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 2026.03.26 -

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] 1/0.275093s  [v6R] 1/0.373794s	0.837764	462936	4.22	1.979797	466115	1.80	43%	graph
com.github  (https)	1.043011	569021	4.16	0.007010	0	0	n/a	graph
com.googletagmanager.www  (https)	0.060976	1561	0.20	0.064427	1561	0.19	94%	graph
com.linkedin.www  (https)	0.249657	141175	4.33	0.252038	141175	4.27	99%	graph
com.twitter  (https)  [v4R] 1/0.078934s	0.241376	244522	7.74	0.003038	0	0	n/a	graph
com.youtube  (https)  [v4R] 1/0.057728s  [v6R] 1/0.051947s	0.335205	689226	15.70	0.354277	688016	14.83	94%	graph
gov.archives.bidenwhitehouse  (https)	0.210554	128104	4.65	0.065481	128104	15.04	323%	graph
gov.dhs.www  (https)	0.108294	297589	21.02	0.377968	297613	6.02	29%	graph
gov.digital  (https)	0.377534	55182	1.12	0.043453	55182	9.79	877%	graph
gov.gsa.www  [v4R] 1/0.025213s  [v6R] 1/0.017344s	0.070547	199986	21.80	0.142333	199986	10.74	49%	graph
gov.gsa.www  (https)	0.120148	199986	12.71	0.072751	199986	21.19	167%	graph
gov.gsaig.www  (https)	0.517659	64106	0.95	1.412375	64106	0.35	37%	graph
gov.search  (https)  [v4R] 1/0.041922s  [v6R] 1/0.031608s	1.608299	31351	0.15	0.064798	31351	3.74	2513%	graph
gov.usa.blog  (https)  [v4R] 1/0.036129s  [v6R] 1/0.250395s	0.079920	44204	4.27	0.292069	44204	1.15	27%	graph
gov.usa.www  (https)	0.046476	47231	7.83	0.069834	47231	5.22	67%	graph
• gov.usability.www  (https)  [v4R] 1/0.051383s  [v6R] 1/1.072019s	0.417420	85418	1.56	1.312599	85418	0.50	32%	graph
gov.va.news  (https)	0.000	0	0	0.000	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 82% of all linked domains (14/17)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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