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 2025.05.15 -

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] 1/0.077030s  [v6R] 1/0.036300s	0.235348	78118	2.54	0.118425	78253	5.06	199%	graph
com.fontawesome.use  (https)	0.085968	27150	2.44	0.104911	27150	1.99	82%	graph
com.google.www  (https)	0.060712	17404	2.21	0.060490	17395	2.21	100%	graph
com.googleapis.fonts  (https)	0.039146	1621	0.32	0.035504	1621	0.35	111%	graph
com.gstatic.fonts  (https)	0.023171	1561	0.52	0.026052	1561	0.46	88%	graph
com.linkedin.www  (https)	0.251561	138420	4.21	0.232218	138420	4.55	108%	graph
com.twitter  (https)  [v4R] 1/0.059203s	0.169292	264262	11.93	0.001196	0	0	n/a	graph
com.youtube.www  (https)	0.190967	608493	24.43	0.211976	605162	21.88	90%	graph
gov.clinicaltrials  (https)	0.034875	86629	19.44	0.036967	86629	18.36	94%	graph
gov.hhs.www  (https)	0.031539	365	0.09	0.075886	365	0.04	41%	graph
gov.medlineplus  (https)	0.031374	26452	6.51	0.031134	26452	6.51	100%	graph
gov.medlineplus.magazine  (https)	1.326723	58284	0.34	0.015699	0	0	n/a	graph
gov.nih.nlm.ncbi.blast  (https)  [v4R] 1/0.038200s  [v6R] 1/0.805225s	0.964454	31154	0.25	1.007485	31154	0.24	96%	graph
gov.nih.nlm.ncbi.www  (https)	0.031811	37806	9.30	0.036314	37806	8.01	86%	graph
gov.nih.nlm.openi  (https)	0.039284	1146	0.22	0.032586	1146	0.27	122%	graph
gov.nih.nlm.uts  (https)	0.136750	4596	0.26	0.127181	4596	0.28	107%	graph
gov.nih.nlm.www  (https)	0.074786	35249	3.63	0.059093	35249	4.56	125%	graph
gov.nih.www  (https)	0.064352	63185	7.53	0.114159	63185	4.23	56%	graph
• gov.nlm.www  (https)  [v4R] 1/0.093251s  [v6R] 1/0.031710s	0.155761	35249	1.74	0.080975	35249	3.36	194%	graph
gov.usa.www  (https)	0.022363	47941	16.63	0.022323	47941	16.63	100%	graph
org.purl  [v4R] 2/0.347341s	1.357064	5368	0.03	0.064046	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

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