What Do Correlation Metrics Really Tell Us About Search Rankings?
I’m excited to see the marketing field getting more interested in correlation data and metrics around SEO. There’s a lot of folks citing data from SearchMetrics’ UK Study, from Mark Collier’s Open Algorithm project, and from Moz’s own ranking factors and follow-up reports.
(Searchmetrics’ study at left, OpenAlgorithm at right)
The trouble is how this data gets perceived and interpreted…