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 2026.10.01 -

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)  [v6R] 1/0.060362s	0.432729	462354	8.17	0.361098	462820	9.78	120%	graph
com.google.www  (https)	0.084445	84397	7.67	0.093503	84409	6.92	90%	graph
com.googleapis.fonts  (https)	0.047907	1621	0.26	0.044066	1621	0.28	107%	graph
com.gstatic.fonts  (https)	0.035153	1561	0.34	0.033239	1561	0.36	106%	graph
com.linkedin.www  (https)	0.204526	140465	5.25	0.499129	140465	2.15	41%	graph
com.x  (https)	0.184870	35200	1.46	0.005216	0	0	n/a	graph
com.youtube.www  (https)	0.246031	889606	27.59	0.238619	890437	28.54	103%	graph
gov.clinicaltrials  (https)	0.062956	94323	11.61	0.057220	94323	12.63	109%	graph
gov.hhs.www  (https)	0.063694	363	0.04	0.061367	363	0.05	103%	graph
gov.medlineplus  (https)	0.038588	26483	5.32	0.275037	26483	0.73	14%	graph
gov.medlineplus.magazine  (https)	1.857342	58136	0.24	0.039223	0	0	n/a	graph
gov.nih.nlm.ncbi.blast  (https)  [v4R] 1/0.050308s  [v6R] 1/0.059510s	0.263445	31132	0.90	0.271034	31132	0.88	97%	graph
gov.nih.nlm.ncbi.www  (https)	0.054604	39223	5.54	0.065014	39223	4.60	83%	graph
gov.nih.nlm.openi  (https)	0.000	0	0	0.304213	2632	0.07	n/a	graph
gov.nih.nlm.uts  (https)	0.089785	4596	0.39	0.108989	4596	0.32	82%	graph
gov.nih.nlm.www  (https)	0.075888	33490	3.41	0.085888	33490	3.01	88%	graph
gov.nih.www  (https)	0.067268	5480	0.62	0.071896	5505	0.59	95%	graph
• gov.nlm.www  (https)  [v4R] 1/0.185886s  [v6R] 1/0.042659s	0.483874	33490	0.53	0.106715	33490	2.41	456%	graph
gov.usa.www  (https)	0.047116	48647	7.90	0.042102	48647	8.84	112%	graph
org.purl  [v4R] 2/1.507455s	1.764909	5368	0.02	0.052479	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 85% of all linked domains (17/20)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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