Top 10 Most Popular Reference Websites | March 2013

Here are the 10 Most Popular Reference Websites which are 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 | Wikipedia
350,000,000 - Estimated Unique Monthly Visitors | 5 - Compete Rank | 9 - Quantcast Rank | 7 - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013 


2 | Yahoo! Anwers
85,000,000 - Estimated Unique Monthly Visitors | *21* - Compete Rank | *29* - Quantcast Rank | N/A - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013 


3 | About  
78,000,000 - Estimated Unique Monthly Visitors | 18 - Compete Rank | 18 - Quantcast Rank | 70 - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013 


4 | Answers 
57,000,000 - Estimated Unique Monthly Visitors | 25 - Compete Rank | 17 - Quantcast Rank | 136 - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013 


5 | eHow  
55,000,000 - Estimated Unique Monthly Visitors | 39 - Compete Rank | 22 - Quantcast Rank | 144 - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013 


6 | Reference 
40,000,000 - Estimated Unique Monthly Visitors | 91 - Compete Rank | 85 - Quantcast Rank | 165 - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013 


7 | HubPages  
28,500,000 - Estimated Unique Monthly Visitors | 155 - Compete Rank | 82 - Quantcast Rank | 247 - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013 


8 | Squidoo  
24,800,000 - Estimated Unique Monthly Visitors | 246 - Compete Rank | 122 - Quantcast Rank | 240 - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013 


9 | Google books  
24,000,000 - Estimated Unique Monthly Visitors | 190 - Compete Rank | *220* - Quantcast Rank | N/A - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013


10 | wikia  
23,100,000 - Estimated Unique Monthly Visitors | 336 - Compete Rank | 97 - Quantcast Rank | 203 - Alexa Rank.
Most Popular Reference Websites | Updated 3/18/2013