SEO science decoded: The Periodic Table of SEO

Search engine optimization — SEO — seems likes alchemy to the uninitiated, but there’s a science to it. Search engines reward pages with the right combination of ranking factors. To help demystify what seems murky and inexact science to many, Search Engine Land has created a wonderful  “Periodic Table Of SEO Ranking Factors.” Click on the charts below for the condensed and full PDF versions.