Jan 11
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Posted by randfish 2011 is here, and that means it’s time for our biennial search engine ranking factors survey to be renewed. This year, we’re planning something much bigger and, we hope, better. Our plan is to offer a report that provides: Aggregated expert opinions on the importance of factors individually and ranking influencers overall (as with 2009’s version ) Correlation numbers for the factors (on as close to a 1:1 basis comparing data against the question asked to those surveyed) “Causation” numbers on a relative scale derived from our machine learning-based ranking models (with error margins) A representation of the relative chunks of the algorithmic pie by their contribution to the overall algorithm This is, obviously, a huge undertaking for SEOmoz’s team, and we could use your help.