Top 15 Most Popular Web 2.0 Websites | May 2013

Here are the 15 Most Popular Web 2.0 (User Generated Content) Websites as derived from our eBizMBA Rank which is a constantly updated average of each website's Alexa Global Traffic Rank, and U.S. Traffic Rank from both Compete and Quantcast. "*#*" Denotes an estimate for sites with limited Compete or Quantcast data. If you know a website that should be included on this list based on its traffic rankings Please Let Us Know.

1 | YouTube
4 - eBizMBA Rank | 450,000,000 - Estimated Unique Monthly Visitors | 4 - Compete Rank | 4 - Quantcast Rank | 3 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

2 | Wikipedia
7 - eBizMBA Rank | 350,000,000 - Estimated Unique Monthly Visitors | 6 - Compete Rank | 7 - Quantcast Rank | 7 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

3 | Twitter
15 - eBizMBA Rank | 200,000,000 - Estimated Unique Monthly Visitors | 30 - Compete Rank | 5 - Quantcast Rank | 9 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

4 | craigslist
19 - eBizMBA Rank | 160,000,000 - Estimated Unique Monthly Visitors | 12 - Compete Rank | 15 - Quantcast Rank | 31 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

5 | WordPress
21 - eBizMBA Rank | 150,000,000 - Estimated Unique Monthly Visitors | 21 - Compete Rank | 23 - Quantcast Rank | 19 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

6 | Flickr
38 - eBizMBA Rank | 90,000,000 - Estimated Unique Monthly Visitors | 36 - Compete Rank | 43 - Quantcast Rank | 35 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

7 | IMDB
40 - eBizMBA Rank | 80,000,000 - Estimated Unique Monthly Visitors | 35 - Compete Rank | 46 - Quantcast Rank | 40 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

8 | Photobucket
42 - eBizMBA Rank | 75,500,000 - Estimated Unique Monthly Visitors | 30 - Compete Rank | 25 - Quantcast Rank | 72 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

9 | Blogger
43 - eBizMBA Rank | 75,000,000 - Estimated Unique Monthly Visitors | 109 - Compete Rank | 13 - Quantcast Rank | 8 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

10 | Tumblr
63 - eBizMBA Rank | 60,000,000 - Estimated Unique Monthly Visitors | 96 - Compete Rank | 38 - Quantcast Rank | 54 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

11 | eHow
68 - eBizMBA Rank | 55,000,000 - Estimated Unique Monthly Visitors | 39 - Compete Rank | 22 - Quantcast Rank | 144 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

12 | Yelp*
113 - eBizMBA Rank | 40,000,000 - Estimated Unique Monthly Visitors | 66 - Compete Rank | 72 - Quantcast Rank | 202 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

13 | TypePad
136 - eBizMBA Rank | 35,000,000 - Estimated Unique Monthly Visitors | 117 - Compete Rank | 123 - Quantcast Rank | 169 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

14 | HubPages
161 - eBizMBA Rank | 28,500,000 - Estimated Unique Monthly Visitors | 155 - Compete Rank | 82 - Quantcast Rank | 247 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

15 | Reddit
295 - eBizMBA Rank | 16,000,000 - Estimated Unique Monthly Visitors | 705 - Compete Rank | 64 - Quantcast Rank | 115 - Alexa Rank.
Most Popular Web 2.0 Websites | Updated 5/1/2013 | eBizMBA

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