9 | Newsvine.com
--89,288 Unique Monthly Visitors (United States) - Rank: 20,755 - Compete
132,122 Unique Monthly Visitors (United States) - Rank: 14,790 - Quantcast

8 | FARK.com
196,092 Unique Monthly Visitors (United States) - Rank:   9.753 - Compete
116,428 Unique Monthly Visitors (United States) - Rank: 16,752 - Quantcast

7 | BlinkList.com
213,610 Unique Monthly Visitors (United States) - Rank: 8,960 - Compete
258,630 Unique Monthly Visitors (United States) - Rank: 7,329 - Quantcast

6 | Slashdot.org
299,427 Unique Monthly Visitors (United States) - Rank: 6,437 - Compete
310,086 Unique Monthly Visitors (United States) - Rank: 6,018 - Quantcast

5 | reddit.com
573,643 Unique Monthly Visitors (United States) - Rank:   3,280 - Compete
130,161 Unique Monthly Visitors (United States) - Rank: 15,015 - Quantcast

4 | StumbleUpon.com
568,164 Unique Monthly Visitors (United States) - Rank: 3,317 - Compete
496,580 Unique Monthly Visitors (United States) - Rank: 3,509 - Quantca

3 | del.icio.us
1,025,243 Unique Monthly Visitors (United States) - Rank: 1,763 - Compete
--945,656 Unique Monthly Visitors (United States) - Rank: 1,622 - Quantcast

2 | Netscape.com
5,577,615 Unique Monthly Visitors (United States) - Rank: 215 - Compete
5,000,000 Unique Monthly Visitors (United States) - Rank: 194 - Quantcast

1 | digg.com
11,344,960 Unique Monthly Visitors (United States) - Rank:   77 - Compete
--6,200,000 Unique Monthly Visitors (United States) - Rank: 115 - Quantcast