2 | Technorati.com
75,306,437 – Inbound Links | 3,231,709 – Compete Monthly Visitors | 1,400,000 – Quantcast Monthly Visitors | 216 – Alexa Ranking. | Page Rank: 8

3 | del.icio.us
171,593,051 – Inbound Links | 1,699,128 – Compete Monthly Visitors | 1,300,000 – Quantcast Monthly Visitors | 248 – Alexa Ranking. | Page Rank: 8

4 | Propeller.com
997,000 – Inbound Links | 1,454,912 – Compete Monthly Visitors | 2,180,176 – Quantcast Monthly Visitors | 2,308 – Alexa Ranking. | Page Rank: 7

5 | StumbleUpon.com
19,050,177 – Inbound Links | 1,313,586 – Compete Monthly Visitors | 695,239 – Quantcast Monthly Visitors | 300 – Alexa Ranking. | Page Rank: 8

6 | reddit.com
45,307,577 – Inbound Links | 1,226,467 – Compete Monthly Visitors | 344,383 – Quantcast Monthly Visitors | 852 – Alexa Ranking. | Page Rank: 7

7 | Fark.com
11,438,723 – Inbound Links | 306,597 – Compete Monthly Visitors | 1,767,165 – Quantcast Monthly Visitors | 1,958 – Alexa Ranking. | Page Rank: 7

8 | MyBlogLog.com
1,742,265 – Inbound Links | 1,972,847 – Compete Monthly Visitors | 84,922 – Quantcast Monthly Visitors | 432 – Alexa Ranking. | Page Rank: 7

9 | Slashdot.org
13,555,035 – Inbound Links | 724,424 – Compete Monthly Visitors | 269,884 – Quantcast Monthly Visitors | 579 – Alexa Ranking. | Page Rank: 9

10 | kaboodle.com
100,266 – Inbound Links | 1,751,763 – Compete Monthly Visitors | 851,858 – Quantcast Monthly Visitors | 9,125 – Alexa Ranking. | Page Rank: 6

Source: ebizma.com