Top 10 Most Popular Social networking sites

1 | Facebook
2 - eBizMBA Rank | 750,000,000 - Estimated Unique Monthly Visitors | 2 - Compete Rank |2 - Quantcast Rank | 2 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

2 | Twitter
13 - eBizMBA Rank | 250,000,000 - Estimated Unique Monthly Visitors | 24 - Compete Rank | 5 - Quantcast Rank | 9 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

3 | LinkedIn
27 - eBizMBA Rank | 110,000,000 - Estimated Unique Monthly Visitors | 44 - Compete Rank | 23 - Quantcast Rank | 14 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

4 | Pinterest
31 - eBizMBA Rank | 85,500,000 - Estimated Unique Monthly Visitors | 42 - Compete Rank| 16 - Quantcast Rank | 36 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

5 | MySpace
84 - eBizMBA Rank | 70,500,000 - Estimated Unique Monthly Visitors | 51 - Compete Rank| 62 - Quantcast Rank | 138 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

6 | Google Plus+
95 - eBizMBA Rank | 65,000,000 - Estimated Unique Monthly Visitors | *NA* - Compete Rank | *NA* - Quantcast Rank | *NA* - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

7 | DeviantArt
183 - eBizMBA Rank | 25,500,000 - Estimated Unique Monthly Visitors | 346 - Compete Rank | 74 - Quantcast Rank | 130 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

8 | LiveJournal
303 - eBizMBA Rank | 20,500,000 - Estimated Unique Monthly Visitors | 605 - Compete Rank | 203 - Quantcast Rank | 102 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

9 | Tagged
315 - eBizMBA Rank | 19,500,000 - Estimated Unique Monthly Visitors | 447 - Compete Rank | 217 - Quantcast Rank | 282 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA

10 | Orkut
350 - eBizMBA Rank | 17,500,000 - Estimated Unique Monthly Visitors | *NA* - Compete Rank | *NA* - Quantcast Rank | 156 - Alexa Rank.
Most Popular Social Networking Websites | Updated 5/1/2013 | eBizMBA