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.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] 1/0.095853s	0.415213	426946	7.85	0.268571	426747	12.15	155%	graph
com.google.www  (https)	0.063303	82820	10.03	0.067123	83082	9.46	94%	graph
com.googleapis.fonts  (https)	0.037665	1621	0.33	0.035779	1621	0.35	106%	graph
com.gstatic.fonts  (https)	0.025044	1561	0.48	0.023171	1561	0.52	109%	graph
com.linkedin.www  (https)	0.131948	140465	8.18	0.131341	140465	8.18	100%	graph
com.x  (https)	0.111898	35221	2.42	0.003027	0	0	n/a	graph
com.youtube.www  (https)	0.174170	869753	38.14	0.188468	866949	35.18	92%	graph
gov.clinicaltrials  (https)	0.036656	94295	19.98	0.042574	94295	17.13	86%	graph
gov.hhs.www  (https)	0.035162	365	0.08	0.044702	365	0.06	80%	graph
gov.medlineplus  (https)	0.021541	26411	9.60	0.025906	26411	8.06	84%	graph
gov.medlineplus.magazine  (https)	1.793587	58251	0.25	0.013766	0	0	n/a	graph
gov.nih.nlm.ncbi.blast  (https)  [v4R] 1/0.032573s  [v6R] 1/0.064370s	0.259334	31132	0.92	0.286755	31132	0.83	91%	graph
gov.nih.nlm.ncbi.www  (https)	0.029613	39223	10.32	0.028418	39223	10.69	104%	graph
gov.nih.nlm.openi  (https)	0.044012	2632	0.46	0.040683	2632	0.50	110%	graph
gov.nih.nlm.uts  (https)	0.131070	4596	0.27	0.056386	4596	0.63	234%	graph
gov.nih.nlm.www  (https)	0.072876	33490	3.55	0.054787	33490	4.73	133%	graph
gov.nih.www  (https)	0.039762	5480	1.07	0.036014	5505	1.17	109%	graph
• gov.nlm.www  (https)  [v4R] 1/0.133116s  [v6R] 1/0.033965s	0.205256	33490	1.25	0.110741	33490	2.32	186%	graph
gov.usa.www  (https)	0.029743	47217	12.42	0.037487	47217	9.74	78%	graph
org.purl  [v4R] 2/0.343740s	0.568436	5368	0.07	0.022752	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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