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 2026.08.22 -

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)  [v4R] 1/0.116884s  [v6R] 1/0.066234s	0.452563	426862	7.21	0.347743	427104	9.39	130%	graph
com.github  (https)	0.038197	574579	115.36	0.013136	0	0	n/a	graph
com.google-analytics.www  (https)  [v4R] 2/0.051445s  [v6R] 2/0.060291s	0.087782	118475	10.39	0.092167	118475	9.82	95%	graph
com.google.www  (https)	0.058947	82919	10.91	0.061527	82865	10.36	95%	graph
com.linkedin.www  (https)	0.253170	140465	4.24	0.155018	140465	6.91	163%	graph
com.twitter  (https)  [v4R] 1/0.173334s	0.301198	35222	0.89	0.006686	0	0	n/a	graph
com.youtube.www  (https)	0.252986	869799	26.33	0.244349	868602	27.16	103%	graph
gov.hhs.www  (https)	0.049615	365	0.06	0.052143	365	0.05	94%	graph
gov.nih.nlm.ncbi.account  (https)	0.266244	5022829	144.06	0.255320	5022829	150.28	104%	graph
gov.nih.nlm.ncbi.cdn  (https)	0.030805	119140	30.30	0.032685	119140	28.41	94%	graph
gov.nih.nlm.ncbi.ncbiinsights  (https)	0.043080	160354	28.45	0.008363	0	0	n/a	graph
gov.nih.nlm.ncbi.pubmed  (https)	0.101330	42465	3.21	0.084663	42465	3.86	120%	graph
gov.nih.nlm.ncbi.www  (https)	0.034772	39223	8.80	0.029697	39223	10.32	117%	graph
gov.nih.nlm.support  (https)	0.239001	45539	1.45	0.002309	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.099659	33490	2.58	1.149553	33490	0.22	9%	graph
gov.nih.www  (https)	0.035657	5480	1.19	0.047647	5505	0.89	75%	graph
• gov.pubmed.www  (https)  [v4R] 1/0.032477s  [v6R] 1/0.036635s	0.125695	42465	2.59	0.129753	42465	2.51	97%	graph
gov.usa.www  (https)	0.022196	47217	16.37	0.020754	47217	18.01	110%	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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