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 2026.07.22 -

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] 1/0.237286s  [v6R] 1/0.255815s	0.313673	135609	3.31	0.311688	135609	3.33	101%	graph
com.facebook.www  (https)	1.504596	423040	2.15	0.530827	423321	6.09	284%	graph
com.flickr.www  (https)	0.095948	57606	4.63	0.061281	57606	7.20	156%	graph
com.instagram  (https)  [v4R] 1/0.057192s  [v6R] 1/0.103042s	0.495212	395312	6.09	0.844728	395529	3.58	59%	graph
com.linkedin.www  (https)	0.258420	141609	4.19	0.189157	141608	5.72	137%	graph
com.myshopify.library-of-congress-shop  (https)	0.067931	18	0.00	0.063839	18	0.00	106%	graph
com.pinterest.www  (https)	0.352395	1103285	23.91	0.005236	0	0	n/a	graph
com.x  (https)	0.211244	37300	1.35	0.006288	0	0	n/a	graph
com.youtube.www  (https)	0.291184	838571	21.99	0.261960	839858	24.55	112%	graph
gov.congress.www  (https)	0.034206	5343	1.20	0.057034	5385	0.72	60%	graph
gov.copyright  [v4R] 1/0.030134s  [v6R] 1/0.051244s	0.083873	54827	5.04	0.311148	54827	1.35	27%	graph
gov.copyright  (https)	0.055006	54827	7.61	0.091264	54827	4.60	60%	graph
gov.loc  (https)  [v4R] 1/0.061809s  [v6R] 1/0.047673s	0.129302	90016	5.32	0.101740	90016	6.80	128%	graph
gov.loc.ask  (https)	0.141239	46782	2.53	0.003031	0	0	n/a	graph
gov.loc.blogs  (https)	0.052426	53614	7.87	0.106369	53614	3.86	49%	graph
gov.loc.catalog  (https)	0.069918	31406	3.47	0.061068	31406	3.93	113%	graph
gov.loc.lcm  (https)	0.174689	189402	8.30	0.084276	189402	17.20	207%	graph
gov.loc.newsroom  (https)	0.061734	919	0.11	0.042081	919	0.17	145%	graph
gov.loc.www  [v4R] 1/0.056939s  [v6R] 1/0.173793s	0.354500	90016	1.94	0.231381	90016	2.97	153%	graph
• gov.loc.www  (https)	0.063461	90016	10.90	0.066122	90016	10.41	95%	graph
gov.usa.www  (https)	0.048171	47199	7.50	0.051751	47199	7.06	94%	graph
net.research.www  (https)	0.105607	198027	14.39	0.004114	0	0	n/a	graph
org.purl  [v4R] 2/0.395383s	1.432454	5368	0.03	0.004112	0	0	n/a	graph
IPv6 operational: 88% of linked subdomains (7/8), 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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