Moz surveyed over 120 leading search marketers who provided expert opinions to better understand the workings of search engine algorithms. The results included over 80 search engine ranking factors that that may help—or hurt—a web site’s visibility with the search engines. You can review the results of the study presented below.
While the search engine ranking factors listed below are not “proof-positive” of their actual use in ranking web sites, they do show the characteristics of the web pages that tend to rank higher in the serps.
Search Engine Correlation Data
This study was conducted in 2013, and is done every 2 years.