The Keyword Effectiveness Index ( KEI )
KEI = Keyword Effectiveness Index
Also Known As (AKA):
Keyword Efficiency Index
Keyword Effective Index
Keyword Effectiveness Indicator
Keyword Effectiveness
Keyword Effectiveness Index Formula
This is one of the most critical formulas in the keyword analysis arena. It was created by Sumantra Roy, and has held steadfast as a “Keyword Search Popularity vs. Competition” Index […]












