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 40 White & Yellow Pages 32,108 infospace.com
2 174 Local Directories 30,256 digitalcity.com
3 14 Ask the Expert 25,923 ask.com
4 22 Mail Services 18,207 ups.com
5 33 People Finders 16,179 classmates.com
6 26 Maps 14,215 mapquest.com
7 31 Dictionaries & Encyclopedias 13,760 britannica.com
8 62 Reference - General 8,167 governmentguide.com
9 41 Libraries 7,544 bartleby.com
10 13 Astronomy & Space 7,394 nasa.gov
11 43 General Science 4,675 nationalgeographic.com
12 49 Research Sites 3,436 nara.gov
13 31 Environment 3,042 therainforestsite.com
14 16 Databases 1,320 epnet.com




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