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.read. | Library of Congress	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.apple.itunes  [v4R] 2/0.306990s  [v6R] 2/2.552074s	0.394138	135609	2.63	2.887747	135609	0.36	14%	graph
com.facebook.www  (https)  [v4R] 1/0.115052s	1.735466	423152	1.86	1.097442	423025	2.94	158%	graph
com.flickr.www  [v4R] 1/0.020743s  [v6R] 1/0.021320s	0.085268	57606	5.17	0.074994	57606	5.94	115%	graph
com.surveymonkey.www  (https)	0.179683	593655	25.30	0.013578	0	0	n/a	graph
com.twitter  (https)  [v4R] 1/0.055903s	0.427678	266111	4.75	0.005185	0	0	n/a	graph
com.youtube.www  (https)	0.312924	836140	20.45	1.786411	813175	3.47	17%	graph
gov.loc.blogs  [v4R] 1/0.246765s  [v6R] 1/0.030809s	0.300845	53761	1.37	1.109135	53761	0.37	27%	graph
gov.loc.catalog  [v4R] 3/0.112921s  [v6R] 3/0.140999s	0.140007	90015	4.91	0.187791	90015	3.67	75%	graph
gov.loc.www  (https)	0.360049	90015	1.91	0.103577	90015	6.67	350%	graph
gov.read  [v4R] 1/0.027519s  [v6R] 1/0.021609s	0.731141	17729	0.19	1.734551	17729	0.08	42%	graph
• gov.read.www  (https)	0.671714	17726	0.20	0.625538	17726	0.22	107%	graph
gov.usa.www  (https)	0.074439	47199	4.87	0.051933	47199	7.06	145%	graph
IPv6 operational: 100% of linked subdomains (2/2), 83% of all linked domains (10/12)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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