TOP9.COM TOP9.COMTOP9.COMTOP9.COMHomeAbout UsNewsContact UsTop 99 SitesTOP9.COM
Cat.
Rank
URLs
in
Cat.
Reference & Science Composite
Visitors
(x000)
Top Site
Within
Category
1 175 Local Directories 34,756 digitalcity.com
2 42 White & Yellow Pages 32,475 infospace.com
3 16 Ask the Expert 23,944 ask.com
4 38 People Finders 17,810 classmates.com
5 22 Maps 15,856 mapquest.com
6 34 Dictionaries & Encyclopedias 14,839 britannica.com
7 21 Mail Services 12,047 usps.com
8 63 Reference - General 10,415 governmentguide.com
9 44 Libraries 8,015 bartleby.com
10 13 Astronomy & Space 6,364 nasa.gov
11 50 General Science 4,538 nationalgeographic.com
12 47 Research Sites 4,115 nara.gov
13 33 Environment 3,502 epa.gov
14 15 Databases 3,154 foundmoney.com




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