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 2026.03.09 -

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] 1/0.092706s  [v6R] 1/0.142953s	0.150474	130146	6.62	0.302996	130146	3.29	50%	graph
com.facebook.www  (https)  [v4R] 1/0.103617s  [v6R] 1/0.098974s	0.365174	465259	9.73	0.772055	466671	4.61	47%	graph
com.flickr.www  (https)	0.314579	53936	1.31	0.075905	53936	5.49	419%	graph
com.instagram  (https)  [v4R] 1/0.072028s  [v6R] 1/0.055392s	0.434836	600631	10.56	0.490756	595462	9.27	88%	graph
com.myshopify.library-of-congress-shop  (https)	0.313599	230124	5.61	0.132579	230124	13.30	237%	graph
com.pinterest.www  (https)	0.213000	766191	27.44	0.003029	0	0	n/a	graph
com.x  (https)	0.140363	238525	13.00	0.004182	0	0	n/a	graph
com.youtube.www  (https)	0.205244	680569	25.33	0.265386	677157	19.50	77%	graph
gov.congress.www  (https)	0.045774	6822	1.16	0.053004	6886	0.99	86%	graph
gov.copyright  [v4R] 1/0.047529s  [v6R] 1/0.030577s	0.105649	55452	4.03	0.077265	55452	5.49	136%	graph
gov.copyright  (https)	0.076132	55452	5.57	0.088424	55452	4.81	86%	graph
• gov.libraryofcongress.www  (https)  [v4R] 1/0.281282s  [v6R] 1/0.063898s	0.360484	190896	4.05	0.362658	190896	4.02	99%	graph
gov.loc  (https)  [v4R] 1/0.054661s  [v6R] 1/0.050009s	0.159269	190896	9.16	0.123046	190896	11.84	129%	graph
gov.loc.ask  (https)	0.115776	46437	3.08	0.010717	0	0	n/a	graph
gov.loc.blogs  (https)	0.074564	53727	5.54	0.066748	53727	6.21	112%	graph
gov.loc.catalog  (https)	0.110821	29274	2.03	0.070163	29274	3.19	157%	graph
gov.loc.lcm  (https)	0.080992	185300	17.67	0.095568	185300	14.88	84%	graph
gov.loc.newsroom  (https)	0.038040	919	0.18	0.036898	919	0.19	106%	graph
gov.loc.www  [v4R] 1/0.067881s  [v6R] 1/0.057441s	0.368139	190896	3.96	0.117120	190896	12.45	315%	graph
gov.loc.www  (https)	0.117842	190896	12.45	0.076865	190896	19.16	154%	graph
net.research.www  (https)	0.124394	228190	14.04	0.003058	0	0	n/a	graph
org.purl  [v4R] 2/0.404952s	1.420064	5368	0.03	0.003043	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (1/1), 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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