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.energy. | Department of Energy	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)	0.672177	423973	4.81	0.479020	422886	6.74	140%	graph
com.flickr.www  (https)	0.071146	57606	6.19	0.045599	57606	9.77	158%	graph
com.googletagmanager.www  (https)	0.052542	1561	0.23	0.051055	1561	0.23	102%	graph
com.instagram.www  (https)	0.492041	395872	6.14	0.526280	396096	5.75	94%	graph
com.linkedin.www  (https)	0.211612	141608	5.12	0.216393	141608	5.00	98%	graph
com.twitter  (https)  [v4R] 1/0.069003s	0.290831	266111	7.00	0.003032	0	0	n/a	graph
com.youtube.www  (https)	0.265971	836841	24.09	0.271310	818795	23.05	96%	graph
gov.doe.directives.www  (https)  [v4R] 1/0.039085s  [v6R] 1/0.030955s	0.084808	113766	10.33	0.083456	113766	10.46	101%	graph
• gov.energy.www  (https)	0.045021	130632	22.15	0.053570	130632	18.80	85%	graph
gov.usa.www  (https)	0.025072	47199	14.40	0.055928	47199	6.55	45%	graph
gov.whitehouse.www  (https)	0.074014	322720	33.27	0.049386	322720	50.25	151%	graph
IPv6 operational: 100% of linked subdomains (1/1), 91% of all linked domains (10/11)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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