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 2026.03.26 -

gov.loc. | Library of Congress	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.apple.itunes  (https)  [v4R] 1/0.069331s  [v6R] 1/0.325523s	0.152648	130533	6.55	0.409059	130533	2.43	37%	graph
com.facebook.www  (https)  [v4R] 1/0.094547s	0.587873	465162	6.05	2.267952	465183	1.57	26%	graph
com.flickr.www  (https)	0.290622	55207	1.45	0.296867	55207	1.42	98%	graph
com.instagram  (https)  [v4R] 1/0.067742s  [v6R] 1/0.068796s	0.444691	601935	10.34	0.502214	607315	9.23	89%	graph
com.linkedin.www  (https)	1.409252	141175	0.76	0.211190	141175	5.10	668%	graph
com.myshopify.library-of-congress-shop  (https)	0.176129	215566	9.34	1.196633	215566	1.38	15%	graph
com.pinterest.www  (https)	0.238671	775087	24.85	0.006288	0	0	n/a	graph
com.x  (https)	0.467819	244522	3.99	0.003033	0	0	n/a	graph
com.youtube.www  (https)	0.476514	692296	11.10	0.543658	694728	9.76	88%	graph
gov.congress.www  (https)	0.066059	7044	0.81	0.069919	7129	0.79	97%	graph
gov.copyright  [v4R] 1/0.061600s  [v6R] 1/0.056591s	0.118350	55450	3.59	0.125044	55450	3.38	94%	graph
gov.copyright  (https)	0.069670	55450	6.13	0.280664	55450	1.51	25%	graph
gov.loc  (https)  [v4R] 1/0.068960s  [v6R] 1/0.104490s	0.175836	172431	7.52	1.539028	172431	0.85	11%	graph
gov.loc.ask  (https)	0.123975	46437	2.88	0.004116	0	0	n/a	graph
gov.loc.blogs  (https)	0.162823	53293	2.51	0.072554	53293	5.65	225%	graph
gov.loc.catalog  (https)	0.077905	30157	2.99	1.130247	30157	0.20	7%	graph
gov.loc.lcm  (https)	0.311922	186811	4.58	0.111029	186811	12.84	280%	graph
gov.loc.newsroom  (https)	0.056792	919	0.13	1.081918	919	0.01	5%	graph
gov.loc.www  [v4R] 1/0.082844s  [v6R] 1/0.078624s	0.164201	172431	8.02	0.194216	172431	6.78	85%	graph
• gov.loc.www  (https)	0.184616	172431	7.15	0.094297	172431	14.00	196%	graph
net.research.www  (https)	0.331566	228187	5.26	0.013770	0	0	n/a	graph
org.purl  [v4R] 2/1.157261s	1.801990	5368	0.02	0.003042	0	0	n/a	graph
IPv6 operational: 88% of linked subdomains (7/8), 77% of all linked domains (17/22)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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