If you have spent any amount of time in the world of keyword research, then you have come across the Keyword Golden Ratio, or KGR, first popularized by Doug Cunnington. This simple formula for identifying long-tail keyword opportunities is easy…

The search engine optimization (SEO) space is constantly changing, but there are some things that remain; Google search operators are one example. Google search operators offer a whole extra layer of visibility into the Google database of indexed pages.  Google…