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Top 20 Most Popular Science Websites | July 2009

By Stephen Carter

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Reviewed by: Stephen Carter

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Here are the 20 Largest Science Websites ranked by a combination of Inbound Links, Google Page Rank, Alexa Rank, and U.S. traffic data from Compete and Quantcast. Although no traffic metrics are completely accurate we do believe the data below to be useful for gauging relative audience size.



1 | HowStuffWorks.com

3,093,915 – Inbound Links | 5,922,882 – Compete Monthly Visitors | 8,700,000 – Quantcast Monthly Visitors | 1,008 – Alexa Ranking. | Page Rank: 5
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



2 | Discovery.com

5,549,643 – Inbound Links | 5,159,822 – Compete Monthly Visitors | 5,400,000 – Quantcast Monthly Visitors | 1,291 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



3 | NOAA.gov

9,750,386 – Inbound Links | 4,913,860 – Compete Monthly Visitors | 5,400,000 – Quantcast Monthly Visitors | 1,442 – Alexa Ranking. | Page Rank: 9
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



4 | NASA.gov

7,363,529 – Inbound Links | 4,163,576 – Compete Monthly Visitors | 5,400,000 – Quantcast Monthly Visitors | 937 – Alexa Ranking. | Page Rank: 9
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



5 | ScienceDaily.com

1,600,265 – Inbound Links | 1,371,298 – Compete Monthly Visitors | 2,300,000 – Quantcast Monthly Visitors | 3,423 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



6 | TreeHugger.com

3,280,687 – Inbound Links | 1,012,052 – Compete Monthly Visitors | 1,100,000 – Quantcast Monthly Visitors | 4,021 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



7 | RedOrbit.com

393,993 – Inbound Links | 893,024 – Compete Monthly Visitors | 1,600,000 – Quantcast Monthly Visitors | 7,196 – Alexa Ranking. | Page Rank: 6
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



8 | LiveScience.com

1,082,138 – Inbound Links | 898,107 – Compete Monthly Visitors | 2,000,000 – Quantcast Monthly Visitors | 6,771 – Alexa Ranking. | Page Rank: 7
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



9 | NewScientist.com

2,044,789 – Inbound Links | 894,342 – Compete Monthly Visitors | 1,500,000 – Quantcast Monthly Visitors | 5,288 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



10 | Nature.com

2,267,979 – Inbound Links | 839,804 – Compete Monthly Visitors | 1,000,000 – Quantcast Monthly Visitors | 3,149 – Alexa Ranking. | Page Rank: 9
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



11 | Space.com

3,179,319 – Inbound Links | 711,708 – Compete Monthly Visitors | 1,100,000 – Quantcast Monthly Visitors | 7,336 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



12 | ScientificAmerican.com

2,177,276 – Inbound Links | 580,177 – Compete Monthly Visitors | 899,000 – Quantcast Monthly Visitors | 8,800 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



13 | ScienceBlogs.com

3,862,210 – Inbound Links | 643,090 – Compete Monthly Visitors | 533,000 – Quantcast Monthly Visitors | 9,103 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



14 | PhysOrg.com

871,502 – Inbound Links | 400,374 – Compete Monthly Visitors | 600,000 – Quantcast Monthly Visitors | 15,334 – Alexa Ranking. | Page Rank: 7
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



15 | PopularScience

417,985 – Inbound Links | 329,412 – Compete Monthly Visitors | 573,000 – Quantcast Monthly Visitors | 16,906 – Alexa Ranking. | Page Rank: 7
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



16 | Science/AAAs

1,144,714 – Inbound Links | 342,953 – Compete Monthly Visitors | 379,000 – Quantcast Monthly Visitors | 9,388 – Alexa Ranking. | Page Rank:8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



17 | EurekAlert.org

756,268 – Inbound Links | 261,703 – Compete Monthly Visitors | 313,000 – Quantcast Monthly Visitors | 22,723 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



18 | HubbleSite.org

355,545 – Inbound Links | 232,505 – Compete Monthly Visitors | 285,000 – Quantcast Monthly Visitors | 19,171 – Alexa Ranking. | Page Rank: 8
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



19 | SpaceWeather.com

346,672 – Inbound Links | 166,501 – Compete Monthly Visitors | 191,000 – Quantcast Monthly Visitors | 24,154 – Alexa Ranking. | Page Rank: 7
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA



20 | Science News Online

257,664 – Inbound Links | 137,278 – Compete Monthly Visitors | 208,000 – Quantcast Monthly Visitors | 42,417 – Alexa Ranking. | Page Rank: 7
Top 20 Science Websites | Updated 7/10/2009 | eBizMBA

Stephen Carter

Stephen Carter is a software technology expert. He writes about market research on various hot topics like cryptocurrencies, explaining how they started. He's good at making complicated tech ideas easy to understand for everyone.

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