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 |
|
|
