Analysis: What are the Web's Top Sources of Referral Traffic?
Content Discovery and Engagement Report, Q1 2011
As SEOs, we are interested in the most influential factors in commercial web search results. Accordingly, we have been conducting ongoing studies looking at the relationship between web search results and link metrics/anchor text from Linkscape, social media signals from Facebook and Twitter, and on-page/URL/domain keyword factors. This document explains our methods, including the construction of the data set and statistical analysis. It is structured as follows: the following section includes some details on the dataset itself, from the choice of the keyword list to data sources and feature extraction.The last section describes our statistical analysis methods. Before diving into the details, we want to mention several important things about the analysis.