This report ranks the 'search words/search engine' combinations that generate the most visitors to your site.
Based on the data for the last 4,000 visitors, it ranks referring 'search words/search engine' combinations by
the number of visitors referred from each 'search word/search engine'.
Each search word is linked to the last referring url for the 'search word/search engine'.
The line "Not referred from a search engine" is the number of visitors that were not the result of a search engine referral.