Here are the 15 Most Popular Social Networking Sites 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. Last Updated: August 1, 2011
1 | Facebook
2 - eBizMBA Rank | 700,000,000 - Estimated Unique Monthly Visitors | 3 - Compete Rank | 2 - Quantcast Rank | 2 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
2 | Twitter
15 - eBizMBA Rank | 200,000,000 - Estimated Unique Monthly Visitors | 30 - Compete Rank | 5 - Quantcast Rank | 9 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
3 | LinkedIn
33 - eBizMBA Rank | 100,000,000 - Estimated Unique Monthly Visitors | 57 - Compete Rank | 26 - Quantcast Rank | 17 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
4 | MySpace
50 - eBizMBA Rank | 80,500,000 - Estimated Unique Monthly Visitors | 26 - Compete Rank | 44 - Quantcast Rank | 79 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
5 | Ning
143 - eBizMBA Rank | 60,000,000 - Estimated Unique Monthly Visitors | 180 - Compete Rank | 120 - Quantcast Rank | 128 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
6 | Tagged
225 - eBizMBA Rank | 25,000,000 - Estimated Unique Monthly Visitors | 382 - Compete Rank | 151 - Quantcast Rank | 141 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
7 | orkut
401 - eBizMBA Rank | 15,500,000 - Estimated Unique Monthly Visitors | *570* - Compete Rank | *540* - Quantcast Rank | 93 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
8 | hi5
479 - eBizMBA Rank | 11,500,000 - Estimated Unique Monthly Visitors | 983 - Compete Rank | 392 - Quantcast Rank | 62 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
9 | myyearbook
617 - eBizMBA Rank | 7,450,000 - Estimated Unique Monthly Visitors | 522 - Compete Rank | 293 - Quantcast Rank | 1,036 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
10 | Meetup
635 - eBizMBA Rank | 7,200,000 - Estimated Unique Monthly Visitors | 644 - Compete Rank | 732 - Quantcast Rank | 528 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
11 | Badoo
653 - eBizMBA Rank | 7,100,000 - Estimated Unique Monthly Visitors | 1,346 - Compete Rank | 489 - Quantcast Rank | 125 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
12 | bebo
655 - eBizMBA Rank | 7,000,000 - Estimated Unique Monthly Visitors | 944 - Compete Rank | 434 - Quantcast Rank | 588 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
13 | mylife
865 - eBizMBA Rank | 5,400,000 - Estimated Unique Monthly Visitors | 118 - Compete Rank | 688 - Quantcast Rank | 1,789 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
14 | friendster
955 - eBizMBA Rank | 4,900,000 - Estimated Unique Monthly Visitors | 1,920 - Compete Rank | 643 - Quantcast Rank | 301 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
15 | Multiply
1,136 - eBizMBA Rank | 4,300,000 - Estimated Unique Monthly Visitors | 2,446 - Compete Rank | 677 - Quantcast Rank | 285 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
source
1 | Facebook
2 - eBizMBA Rank | 700,000,000 - Estimated Unique Monthly Visitors | 3 - Compete Rank | 2 - Quantcast Rank | 2 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
2 | Twitter
15 - eBizMBA Rank | 200,000,000 - Estimated Unique Monthly Visitors | 30 - Compete Rank | 5 - Quantcast Rank | 9 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
3 | LinkedIn
33 - eBizMBA Rank | 100,000,000 - Estimated Unique Monthly Visitors | 57 - Compete Rank | 26 - Quantcast Rank | 17 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
4 | MySpace
50 - eBizMBA Rank | 80,500,000 - Estimated Unique Monthly Visitors | 26 - Compete Rank | 44 - Quantcast Rank | 79 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
5 | Ning
143 - eBizMBA Rank | 60,000,000 - Estimated Unique Monthly Visitors | 180 - Compete Rank | 120 - Quantcast Rank | 128 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
6 | Tagged
225 - eBizMBA Rank | 25,000,000 - Estimated Unique Monthly Visitors | 382 - Compete Rank | 151 - Quantcast Rank | 141 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
7 | orkut
401 - eBizMBA Rank | 15,500,000 - Estimated Unique Monthly Visitors | *570* - Compete Rank | *540* - Quantcast Rank | 93 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
8 | hi5
479 - eBizMBA Rank | 11,500,000 - Estimated Unique Monthly Visitors | 983 - Compete Rank | 392 - Quantcast Rank | 62 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
9 | myyearbook
617 - eBizMBA Rank | 7,450,000 - Estimated Unique Monthly Visitors | 522 - Compete Rank | 293 - Quantcast Rank | 1,036 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
10 | Meetup
635 - eBizMBA Rank | 7,200,000 - Estimated Unique Monthly Visitors | 644 - Compete Rank | 732 - Quantcast Rank | 528 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
11 | Badoo
653 - eBizMBA Rank | 7,100,000 - Estimated Unique Monthly Visitors | 1,346 - Compete Rank | 489 - Quantcast Rank | 125 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
12 | bebo
655 - eBizMBA Rank | 7,000,000 - Estimated Unique Monthly Visitors | 944 - Compete Rank | 434 - Quantcast Rank | 588 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
13 | mylife
865 - eBizMBA Rank | 5,400,000 - Estimated Unique Monthly Visitors | 118 - Compete Rank | 688 - Quantcast Rank | 1,789 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
14 | friendster
955 - eBizMBA Rank | 4,900,000 - Estimated Unique Monthly Visitors | 1,920 - Compete Rank | 643 - Quantcast Rank | 301 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
15 | Multiply
1,136 - eBizMBA Rank | 4,300,000 - Estimated Unique Monthly Visitors | 2,446 - Compete Rank | 677 - Quantcast Rank | 285 - Alexa Rank.
Most Popular Social Networking Websites | Updated 8/1/2011 | eBizMBA
source