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 2026.07.21 -

gov.standards. | Department of Commerce	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.cloudflare.challenges  (https)	0.094563	5397	0.44	0.051885	5397	0.81	184%	graph
com.googletagmanager.www  (https)	0.068535	1561	0.18	0.043788	1561	0.28	158%	graph
com.govdelivery.public  (https)  [v4R] 1/1.290348s  [v6R] 1/0.288841s	1.349527	7681	0.04	0.324463	7681	0.18	416%	graph
gov.archives.bidenwhitehouse  (https)	0.085155	128104	11.50	1.069383	128104	0.91	8%	graph
gov.commerce.www  (https)	0.042891	5343	0.97	0.038921	5385	1.08	111%	graph
gov.nist.csrc  (https)	0.085892	47866	4.30	0.399027	47866	0.92	21%	graph
gov.nist.nvd  (https)	0.040567	5462	1.04	0.055564	5487	0.76	73%	graph
gov.nist.shop  (https)	0.829254	216964	2.00	0.008484	0	0	n/a	graph
gov.nist.sibr  (https)	0.091595	151031	12.66	0.081391	151031	14.23	112%	graph
gov.nist.webbook  (https)	0.061787	14975	1.87	0.079687	14975	1.45	77%	graph
gov.nist.www  (https)	0.083676	95081	8.74	0.073941	95081	9.94	114%	graph
gov.science.www  [v4R] 1/0.079276s	1.534306	8505	0.04	0.003031	0	0	n/a	graph
• gov.standards.www  (https)  [v4R] 2/0.575060s  [v6R] 2/1.172627s	0.684853	92815	1.04	1.452864	92815	0.49	47%	graph
gov.trade.www  (https)	0.402779	257847	4.89	0.005211	0	0	n/a	graph
gov.usa.www  [v4R] 1/0.012540s  [v6R] 1/0.014358s	0.061092	47199	5.90	0.054422	47199	6.67	113%	graph
gov.vote  (https)	0.049067	5314	0.83	0.080607	5356	0.51	62%	graph
org.ansi  (https)	0.050770	5292	0.81	0.072224	5356	0.57	70%	graph
org.oclc.contentdm.nistdigitalarchives  [v4R] 1/0.090468s	0.334490	36470	0.83	0.008429	0	0	n/a	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

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