Traffic Stats for Web 2.0's Hottest Sites - Figures for April 2007

We know that Traffic stats are oh-so-scientific (NOT!), but they are useful nonetheless in providing context and a sense of relativity. The complete article on 25 sexiest Web 2.0 sites sampled by eBizMBA using Compete and Quantcast data can be found here.

Top 10 sampling:

1 MySpace.com
64,755,350 Unique Monthly Visitors (United States) - Compete
48,000,000 Unique Monthly Visitors (United States) - Quantcast

2 Wikipedia.org
45,484,126 Unique Monthly Visitors (United States) - Compete
47,000,000 Unique Monthly Visitors (United States) - Quantcast

3 YouTube.com
41,206,508 Unique Monthly Visitors (United States) - Compete
28,000,000 Unique Monthly Visitors (United States) - Quantcast

4 PhotoBucket.com
24,477,744 Unique Monthly Visitors (United States) - Compete
14,000,000 Unique Monthly Visitors (United States) - Quantcast

5 FaceBook.com
17,671,415 Unique Monthly Visitors (United States) - Compete
17,000,000 Unique Monthly Visitors (United States) - Quantcast

6 CraigsList.org
19,510,719 Unique Monthly Visitors (United States) - Compete
11,000,000 Unique Monthly Visitors (United States) - Quantcast

7 flickr.com
16,584,996 Unique Monthly Visitors (United States) - Compete
7,500,000 Unique Monthly Visitors (United States) - Quantcast

8 digg.com
15,647,316 Unique Monthly Visitors (United States) - Compete
6,300,000 Unique Monthly Visitors (United States) - Quantcast

9 Wordpress.com
3,856,083 Unique Monthly Visitors (United States) - Compete
12,174,642 Unique Monthly Visitors (United States) - Quantcast

10 Netscape.com
5,251,829 Unique Monthly Visitors (United States) - Compete
8,640,687 Unique Monthly Visitors (United States) - Quantcast

If traffic is not accurate, how then do we measure a Web2.0 site? IMHO, engagement and participation should be the metric, not mere presence (traditional audience metric).