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 2025.04.16 -

gov.nlm. | 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] 1/0.074088s  [v6R] 1/0.043070s	0.236801	76796	2.48	0.151177	74441	3.76	151%	graph
com.fontawesome.use  (https)	0.109192	27150	1.90	0.156296	27150	1.33	70%	graph
com.google.www  (https)	0.060428	16996	2.16	0.067056	16895	1.92	89%	graph
com.googleapis.fonts  (https)	0.043651	1621	0.29	0.239928	1621	0.05	18%	graph
com.gstatic.fonts  (https)	0.022042	1561	0.54	0.025551	1561	0.48	88%	graph
com.linkedin.www  (https)	0.377476	138416	2.80	0.239939	138416	4.42	158%	graph
com.twitter  (https)  [v4R] 1/0.061207s	0.163718	256246	11.99	0.003334	0	0	n/a	graph
com.youtube.www  (https)	0.137020	596718	33.23	0.205937	591026	22.00	66%	graph
gov.clinicaltrials  (https)	0.039198	86629	16.95	0.038693	86629	17.39	103%	graph
gov.hhs.www  (https)	0.047586	363	0.06	0.033732	361	0.08	142%	graph
gov.medlineplus  (https)	0.029211	27731	7.30	0.023280	27731	9.20	126%	graph
gov.medlineplus.magazine  (https)	1.338757	58215	0.33	0.007568	0	0	n/a	graph
gov.nih.nlm.ncbi.blast  (https)  [v4R] 1/0.048502s  [v6R] 1/0.047158s	0.229197	31154	1.04	0.238516	31154	1.00	96%	graph
gov.nih.nlm.ncbi.www  (https)	0.034998	37806	8.48	0.034859	37806	8.48	100%	graph
gov.nih.nlm.openi  (https)	0.042440	1146	0.21	0.052964	1146	0.17	81%	graph
gov.nih.nlm.uts  (https)	0.127672	4596	0.28	0.060604	4596	0.58	212%	graph
gov.nih.nlm.www  (https)	0.076976	35326	3.55	0.082118	35326	3.29	93%	graph
gov.nih.www  (https)	0.200271	62685	2.39	0.130855	62685	3.68	154%	graph
• gov.nlm.www  (https)  [v4R] 1/0.082770s  [v6R] 1/0.033276s	0.130630	35326	2.07	0.078698	35326	3.46	167%	graph
gov.usa.www  (https)	0.022369	49915	17.31	0.046277	49915	8.28	48%	graph
org.purl  [v4R] 2/0.373182s	1.395346	5368	0.03	0.003333	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 86% of all linked domains (18/21)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

For comments, questions or suggested domains please contact: itrg-contact@list.nist.gov