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Dec. 10, 2007 at 8:44am Eastern by Barry Schwartz
Links & SEO: The Huge Link Value Factors Survey
Wiep Knol has surveyed 17 well-known and respected SEOs in the industry all about links. His survey asked questions exclusively about links and the value they had on search rankings. There were about 40 factors included in this survey.
You can find the full survey results over here, but if you prefer to download a PDF you can. Here is a summary of the top factors as stated in the survey.
Top 10 Most important Factors
1. Robots.txt excluded page (DF) - 4.75
2. Anchor text - 4.56
3. Link is on penalized page (DF) - 4.50
4. Page authority (in inbound links) - 4.38
5. Domain authority (in quality of backlinks) - 4.38
6. Amount of outbound links on page - 4.25
7. Total amount of links on page - 4.06
8. Age of domain - 4.06
9. Relevant authority (in rankings on relevant keywords) - 3.94
10. Javascript link (DF) - 3.88
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By Barry Schwartz
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