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.health. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook  (https)  [v4R] 1/0.081395s  [v6R] 1/0.096924s	0.786664	422902	4.10	0.554989	422571	5.82	142%	graph
com.googletagmanager.www  (https)	0.282207	1561	0.04	0.077173	1561	0.15	366%	graph
com.instagram  (https)  [v4R] 1/0.050452s  [v6R] 1/0.075872s	0.541830	395946	5.58	0.842022	396133	3.59	64%	graph
com.twitter  (https)  [v4R] 1/0.067067s	0.297593	266111	6.84	0.002432	0	0	n/a	graph
com.unpkg  (https)	1.296366	41606	0.24	0.257897	41606	1.24	504%	graph
com.youtube  (https)  [v4R] 1/0.284274s  [v6R] 1/0.073291s	0.564324	818379	11.07	0.285870	818844	21.92	198%	graph
gov.dietaryguidelines.www  (https)	0.076609	0	0	0.133564	0	0	n/a	graph
gov.federalregister.www  (https)  [v4R] 1/0.047936s	0.082317	10596	0.99	0.003032	0	0	n/a	graph
gov.fitness.www  [v4R] 2/0.093757s  [v6R] 2/0.190804s	0.153332	391	0.02	0.247828	391	0.01	62%	graph
gov.health  (https)	0.153228	86691	4.32	0.102452	0	0	n/a	graph
gov.health.odphp  (https)	0.104060	35609	2.61	0.006306	0	0	n/a	graph
• gov.health.www  (https)  [v4R] 1/0.030221s	0.082638	86691	8.07	0.103560	0	0	n/a	graph
gov.hhs.minorityhealth  (https)	0.510785	169038	2.53	0.304365	169038	4.24	168%	graph
gov.hhs.oig  (https)	0.147939	49840	2.59	0.003033	0	0	n/a	graph
gov.hhs.opa  (https)	0.040960	118	0.02	0.046067	118	0.02	87%	graph
gov.hhs.ori  (https)	0.383824	64938	1.29	0.013680	0	0	n/a	graph
gov.hhs.www  (https)	0.050515	365	0.06	0.035924	363	0.08	142%	graph
gov.hiv.www  (https)	0.103435	490262	36.31	0.344024	490262	10.87	30%	graph
gov.usa.www  (https)	0.042319	47199	8.57	1.058044	47199	0.34	4%	graph
gov.usphs.www  (https)	1.236390	33923	0.21	0.104052	0	0	n/a	graph
gov.whitehouse.www  (https)	0.075538	295348	30.04	0.094366	295348	23.97	80%	graph
gov.womenshealth  (https)	0.148006	72587	3.74	0.110247	0	0	n/a	graph
gov.womenshealth.www  (https)  [v4R] 1/0.187646s	0.230253	72587	2.41	0.102358	0	0	n/a	graph
IPv6 operational: 0% of linked subdomains (0/3), 52% of all linked domains (12/23)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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