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 2025.12.16 -

gov.mesh. | 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.www  (https)  [v4R] 1/0.077292s  [v6R] 1/0.110080s	0.161856	83499	3.96	0.313839	83638	2.04	52%	graph
com.google.www  (https)	0.068875	77012	8.64	0.061745	76993	9.63	111%	graph
com.googletagmanager.www  (https)	0.032236	1561	0.37	0.035120	1561	0.34	91%	graph
com.twitter  (https)  [v4R] 1/0.053297s	0.164976	226581	10.54	0.003035	0	0	n/a	graph
com.youtube.www  (https)	0.201927	693092	26.31	0.224255	697060	23.74	90%	graph
gov.hhs.www  (https)	0.025508	365	0.11	0.036482	363	0.08	69%	graph
• gov.mesh.www  (https)  [v4R] 1/0.043687s  [v6R] 1/0.037274s	0.132987	17465	1.01	0.085242	17465	1.57	155%	graph
gov.nih.nlm.meshb-prev  (https)	0.083823	17482	1.61	0.056309	17482	2.38	148%	graph
gov.nih.nlm.support  (https)	0.317574	43649	1.05	0.016917	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.066154	34769	4.02	0.061594	34769	4.35	108%	graph
gov.nih.www  (https)	0.165009	56210	2.60	0.071098	56210	6.04	232%	graph
gov.usa.www  (https)	0.036158	47100	9.98	0.029806	47100	12.39	124%	graph
IPv6 operational: 100% of linked subdomains (1/1), 83% of all linked domains (10/12)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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