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 2025.07.11 -

gov.digitalpreservation. | Library of Congress	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.apple.itunes  [v4R] 2/0.090737s  [v6R] 2/0.131558s	0.125548	130002	7.93	0.171100	130002	5.80	73%	graph
com.facebook.www  [v4R] 2/0.070889s  [v6R] 2/0.046889s	0.674162	76729	0.87	0.130450	76868	4.51	519%	graph
com.flickr.www  [v4R] 1/0.005487s  [v6R] 1/0.008602s	0.043256	47366	8.40	0.056105	47366	6.45	77%	graph
com.pinterest.www  [v4R] 1/0.006499s	0.299510	500516	12.77	0.001212	0	0	n/a	graph
com.twitter  [v4R] 2/0.092727s	0.224505	269877	9.19	0.001184	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.031502s  [v6R] 1/0.030710s	0.216944	607438	21.46	0.187884	606857	24.76	115%	graph
gov.digitalpreservation.www	0.000	0	0	0.000	0	0	n/a	graph
• gov.digitalpreservation.www  (https)	0.060676	23817	3.03	0.102930	23817	1.78	59%	graph
gov.digitizationguidelines.www  [v4R] 1/0.039066s  [v6R] 1/0.052057s	0.140897	14746	0.80	0.155613	14746	0.73	90%	graph
gov.loc  (https)  [v4R] 1/0.045384s  [v6R] 1/0.049190s	0.094985	173784	14.10	0.108950	173784	12.28	87%	graph
gov.loc.ask  (https)	0.078875	46267	4.53	0.003410	0	0	n/a	graph
gov.loc.blogs  [v4R] 1/0.039443s  [v6R] 1/0.056481s	0.080347	53841	5.13	0.105850	53841	3.91	76%	graph
gov.loc.catalog  (https)	0.050138	25741	3.93	0.066863	25741	2.98	76%	graph
gov.loc.labs  (https)	0.000	0	0	0.000	0	0	n/a	graph
gov.loc.www  (https)	0.057904	173784	23.26	0.041884	173784	32.34	139%	graph
gov.usa.www  [v4R] 1/0.004949s  [v6R] 1/0.007370s	0.031042	48043	11.82	0.029669	48043	12.64	107%	graph
network.dpoe  [v4R] 2/0.288717s	0.476802	94292	1.51	0.032025	0	0	n/a	graph
org.archive.web  (https)	0.439670	153745	2.67	0.003367	0	0	n/a	graph
org.ndsr-program  (https)	0.030039	95503	24.29	0.032103	0	0	n/a	graph
IPv6 operational: 50% of linked subdomains (1/2), 58% of all linked domains (11/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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