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 2026.08.02 -

gov.pubmed. | 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)  [v6R] 1/0.061144s	0.431986	422552	7.48	0.358914	420983	8.97	120%	graph
com.github  (https)	0.036162	591750	125.41	0.005265	0	0	n/a	graph
com.google-analytics.www  (https)  [v4R] 2/0.077429s  [v6R] 2/0.102256s	0.121437	118475	7.47	0.139454	118475	6.50	87%	graph
com.google.www  (https)	0.062672	80701	9.93	0.062528	80569	9.91	100%	graph
com.linkedin.www  (https)	0.166003	141608	6.51	0.163025	141608	6.63	102%	graph
com.twitter  (https)  [v4R] 1/0.057170s	0.177797	34238	1.48	0.003030	0	0	n/a	graph
com.youtube.www  (https)	0.274209	862119	24.01	0.169468	860021	38.83	162%	graph
gov.hhs.www  (https)	0.061223	365	0.05	0.094222	365	0.03	65%	graph
gov.nih.nlm.ncbi.account  (https)	0.274633	4940407	137.56	0.287137	4940407	131.33	95%	graph
gov.nih.nlm.ncbi.cdn  (https)	0.047838	119140	19.34	0.036682	119140	25.25	131%	graph
gov.nih.nlm.ncbi.ncbiinsights  (https)	0.032565	163369	38.95	0.008405	0	0	n/a	graph
gov.nih.nlm.ncbi.pubmed  (https)	0.149949	42162	2.16	0.082982	42162	3.92	182%	graph
gov.nih.nlm.ncbi.www  (https)	1.040004	39223	0.29	0.043505	39223	6.96	2419%	graph
gov.nih.nlm.support  (https)	0.145974	44188	2.33	0.002276	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.131310	33490	1.95	0.089777	33490	2.87	147%	graph
gov.nih.www  (https)	0.058057	62604	8.24	0.062203	62604	7.70	94%	graph
• gov.pubmed.www  (https)  [v4R] 1/0.043289s  [v6R] 1/0.040514s	0.119997	42162	2.70	0.122642	42162	2.64	98%	graph
gov.usa.www  (https)	0.027475	47199	13.34	0.036852	47199	10.00	75%	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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