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.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] 1/0.041682s	0.170933	76515	3.43	0.123325	74441	4.62	134%	graph
com.github  (https)	0.027867	281260	79.48	0.003364	0	0	n/a	graph
com.google-analytics.www  (https)  [v4R] 2/0.051757s  [v6R] 2/0.068531s	0.083446	118404	10.88	0.097458	118404	9.31	86%	graph
com.google.www  (https)	0.064607	16987	2.03	0.069992	17048	1.89	93%	graph
com.linkedin.www  (https)	0.154425	138416	6.86	0.198672	137993	5.32	78%	graph
com.twitter  (https)  [v4R] 1/0.070111s	0.193890	256246	10.13	0.003444	0	0	n/a	graph
com.youtube.www  (https)	0.535917	600241	8.56	0.158051	591913	28.58	334%	graph
gov.hhs.www  (https)	0.055133	363	0.05	0.033421	365	0.08	168%	graph
gov.nih.nlm.ncbi.account  (https)	0.265761	4596925	132.35	0.256863	4596925	137.00	104%	graph
gov.nih.nlm.ncbi.cdn  (https)	0.037730	119140	24.57	0.035612	119140	25.97	106%	graph
gov.nih.nlm.ncbi.ncbiinsights  (https)	0.027674	142543	40.28	0.007578	0	0	n/a	graph
gov.nih.nlm.ncbi.pubmed  (https)	0.108526	42077	2.97	0.116714	42077	2.77	93%	graph
gov.nih.nlm.ncbi.www  (https)	0.035212	37806	8.24	0.039749	37806	7.40	90%	graph
gov.nih.nlm.support  (https)	0.243134	41745	1.31	0.001207	0	0	n/a	graph
gov.nih.nlm.www  (https)	0.054448	35326	4.99	0.064056	35326	4.21	84%	graph
gov.nih.www  (https)	0.207046	62685	2.31	0.070986	62685	6.83	296%	graph
• gov.pubmed.www  (https)  [v4R] 1/0.032762s  [v6R] 1/0.031061s	0.127792	42077	2.53	0.136438	42077	2.36	93%	graph
gov.usa.www  (https)	0.018333	49915	21.16	0.020187	49915	19.04	90%	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

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