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 2026.07.21 -

gov.fdsys. | Government Publishing Office	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.github  (https)	1.346916	577711	3.27	0.003032	0	0	n/a	graph
com.googleapis.fonts  (https)	0.055391	1621	0.22	0.064035	1621	0.19	86%	graph
com.surveymonkey.www  (https)	0.118545	593676	38.38	0.005202	0	0	n/a	graph
gov.ecfr.www  [v4R] 1/0.021437s	0.054897	10596	1.50	0.003031	0	0	n/a	graph
gov.ecfr.www  (https)  [v4R] 1/0.044102s	0.079415	10596	1.02	0.002378	0	0	n/a	graph
gov.fdlp  (https)	0.339853	49008	1.10	0.327914	49008	1.14	104%	graph
gov.fdlp.www	0.061974	49014	6.13	0.073046	49014	5.12	84%	graph
gov.fdlp.www  (https)	0.099393	49016	3.78	0.128746	49016	2.92	77%	graph
• gov.fdsys.www  (https)  [v4R] 1/0.083966s  [v6R] 1/0.092659s	0.174371	82061	3.60	0.410472	82061	1.53	42%	graph
gov.govinfo.api  (https)  [v4R] 1/0.395579s  [v6R] 1/0.226338s	0.659139	2029	0.02	0.365290	2029	0.04	181%	graph
gov.govinfo.www  [v4R] 1/0.028993s  [v6R] 1/0.061077s	0.107694	65655	4.68	0.136991	65655	3.68	79%	graph
gov.govinfo.www  (https)	0.292464	65655	1.72	0.067398	65655	7.48	436%	graph
gov.gpo.access.purl  [v4R] 1/0.026664s	0.071009	4710	0.51	0.013619	0	0	n/a	graph
gov.gpo.ask  (https)  [v4R] 1/0.155564s	0.384867	20589	0.41	0.002243	0	0	n/a	graph
gov.gpo.bensguide  (https)	0.105260	21071	1.53	0.501973	21071	0.32	21%	graph
gov.gpo.bookstore  (https)	0.041686	5365	1.00	0.055121	5429	0.75	75%	graph
gov.gpo.catalog	1.255782	4542	0.03	0.023061	4567	1.51	5487%	graph
gov.gpo.catalog  (https)	0.045614	4542	0.77	0.035678	4567	1.00	129%	graph
gov.gpo.www  [v4R] 1/0.252488s  [v6R] 1/0.050357s	0.600849	94676	1.20	0.430057	94676	1.68	140%	graph
gov.gpo.www  (https)	0.111370	94676	6.51	0.082292	94676	8.81	135%	graph
gov.section508.www  [v4R] 1/0.019049s  [v6R] 1/0.027413s	0.082727	34347	3.20	0.298626	34347	0.88	28%	graph
org.coretrustseal.amt  (https)	0.328264	2020	0.05	0.039082	0	0	n/a	graph
org.iso.www  [v4R] 2/0.387330s  [v6R] 2/0.266893s	0.880886	94329	0.82	0.392235	94329	1.84	224%	graph
org.iso16363.www	0.000	0	0	0.039002	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 67% of all linked domains (16/24)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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