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.libraryofcongress. | 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] 1/0.185352s  [v6R] 1/0.095400s	0.268201	130533	3.72	0.419933	130533	2.38	64%	graph
com.facebook.www  (https)  [v4R] 1/0.116863s	0.566939	465267	6.27	1.398713	465731	2.54	41%	graph
com.flickr.www  (https)	0.070489	55207	6.02	0.074505	55207	5.69	95%	graph
com.instagram  (https)  [v4R] 1/0.077490s  [v6R] 1/0.083872s	0.436948	601941	10.53	0.543124	607311	8.53	81%	graph
com.linkedin.www  (https)	0.189177	141175	5.70	0.416947	141175	2.59	45%	graph
com.myshopify.library-of-congress-shop  (https)	0.155927	215566	10.61	0.161418	215566	10.22	96%	graph
com.pinterest.www  (https)	0.397698	774991	14.89	0.005272	0	0	n/a	graph
com.x  (https)	0.180930	244522	10.36	0.002558	0	0	n/a	graph
com.youtube.www  (https)	1.294904	694626	4.10	0.243490	693777	21.78	532%	graph
gov.congress.www  (https)	0.035561	4588	1.00	0.085442	7129	0.64	64%	graph
gov.copyright  [v4R] 1/0.048217s  [v6R] 1/0.280074s	0.133572	55450	3.18	0.344686	55450	1.23	39%	graph
gov.copyright  (https)	0.063740	55450	6.72	0.062496	55450	6.82	102%	graph
• gov.libraryofcongress.www  (https)  [v4R] 1/0.066695s  [v6R] 1/0.056559s	0.164734	172431	8.02	0.191690	172431	6.89	86%	graph
gov.loc  (https)  [v4R] 1/0.078585s  [v6R] 1/0.083003s	0.412667	172431	3.19	0.175904	172431	7.52	235%	graph
gov.loc.ask  (https)	0.162536	46437	2.19	0.010740	0	0	n/a	graph
gov.loc.blogs  (https)	0.086581	53293	4.73	0.118615	53293	3.45	73%	graph
gov.loc.catalog  (https)	0.077795	30157	2.99	0.081486	30157	2.84	95%	graph
gov.loc.lcm  (https)	0.323677	186811	4.41	0.097906	186811	14.69	333%	graph
gov.loc.newsroom  (https)	0.061298	919	0.11	0.048086	919	0.15	127%	graph
gov.loc.www  [v4R] 1/0.272684s  [v6R] 1/0.091616s	0.351240	172431	3.75	0.177246	172431	7.43	198%	graph
gov.loc.www  (https)	0.103906	172431	12.77	0.108813	172431	12.18	95%	graph
net.research.www  (https)	0.138209	228187	12.62	0.011720	0	0	n/a	graph
org.purl  [v4R] 2/0.402118s	1.417653	5368	0.03	0.004123	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 78% of all linked domains (18/23)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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