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 2026.07.01 -

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] 1/0.149320s  [v6R] 1/0.196053s	0.208103	135607	4.97	0.290891	135607	3.57	72%	graph
com.facebook.www  (https)  [v4R] 1/0.112163s	1.800848	429532	1.82	1.635987	428640	2.00	110%	graph
com.flickr.www  (https)	0.084059	57433	5.22	0.287016	57433	1.53	29%	graph
com.instagram  (https)  [v4R] 1/0.267335s  [v6R] 1/0.174124s	0.911106	411619	3.45	0.954281	411695	3.29	96%	graph
com.linkedin.www  (https)	0.234291	141606	4.62	0.205567	141606	5.27	114%	graph
com.myshopify.library-of-congress-shop  (https)	0.218244	231750	8.11	0.478042	231750	3.70	46%	graph
com.pinterest.www  (https)	0.533367	929776	13.31	0.003029	0	0	n/a	graph
com.x  (https)	0.865373	280445	2.47	0.006320	0	0	n/a	graph
com.youtube.www  (https)	0.311661	766671	18.81	0.298324	769771	19.71	105%	graph
gov.congress.www  (https)	1.064871	5343	0.04	0.048889	5385	0.86	2234%	graph
gov.copyright  [v4R] 1/0.021598s  [v6R] 1/0.028158s	0.070478	55914	6.09	0.108319	55914	3.95	65%	graph
gov.copyright  (https)	0.057117	55914	7.48	0.093759	55914	4.59	61%	graph
gov.loc  (https)  [v4R] 1/0.078307s  [v6R] 1/0.044135s	0.381893	182614	3.66	0.118113	182614	11.81	323%	graph
gov.loc.ask  (https)	0.193261	46738	1.85	0.005214	0	0	n/a	graph
gov.loc.blogs  (https)	0.088964	54297	4.71	0.073763	54298	5.67	121%	graph
gov.loc.catalog  (https)	0.065303	32938	3.87	0.087602	32938	2.89	75%	graph
gov.loc.lcm  (https)	0.088982	187944	16.29	0.091340	187944	15.76	97%	graph
gov.loc.newsroom  (https)	0.269632	919	0.03	0.046457	919	0.15	585%	graph
gov.loc.www  [v4R] 1/0.300443s  [v6R] 1/0.053246s	0.416430	182614	3.35	0.358162	182614	3.89	116%	graph
• gov.loc.www  (https)	0.092899	182614	15.14	0.094351	182614	14.82	98%	graph
net.research.www  (https)	0.111970	197523	13.58	0.010937	0	0	n/a	graph
org.purl  [v4R] 2/0.444421s	1.627744	5368	0.03	0.004119	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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