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.epaoig. | Environmental Protection Agency	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.377142	423982	8.58	0.499490	422995	6.47	75%	graph
com.googletagmanager.www  (https)	0.060773	1561	0.20	0.054178	1561	0.22	111%	graph
com.instagram.www  (https)	0.746948	395871	4.05	0.456339	396087	6.63	164%	graph
com.x  (https)	0.239361	266111	8.49	0.002403	0	0	n/a	graph
com.youtube.www  (https)	0.249125	815512	24.99	0.308762	818907	20.28	81%	graph
gov.epa.echo  (https)	0.089865	70114	6.01	0.093983	70114	5.75	96%	graph
gov.epa.espanol  (https)	0.042216	54402	9.88	0.271548	54402	1.53	15%	graph
gov.epa.www  (https)	0.037982	64547	13.31	0.038253	64547	12.96	97%	graph
• gov.epaoig.www  (https)  [v4R] 1/0.107553s  [v6R] 1/0.091610s	0.137596	62593	3.49	0.143500	62593	3.34	96%	graph
gov.regulations.www  (https)	0.036569	919	0.19	0.044449	919	0.16	82%	graph
gov.usa.www  (https)	0.054085	47199	6.67	0.047130	47199	7.66	115%	graph
gov.whitehouse.www  (https)	0.082800	322720	30.03	0.086400	322720	28.63	95%	graph
IPv6 operational: 100% of linked subdomains (1/1), 92% of all linked domains (11/12)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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