Use your web logs to discover which search terms lead to sales.
BS Editor: There is hidden info in your log files. Are you using it?
-DO you know which KEYWORDs actually produce sales? (These are the ones you should concentrate on)
-DO you know which PAGEs users find and then leave immediately? (You need to change them to give the user what he wants)
-DO you know which pages are SUCCESSFUL?
-When DO users find your site and then stay to PURCHASE? (These are the type of pages you need to produce in furture)

This info is available in the web logs from your site. If you arent getting the info you need Web Log Analyser by Keyword.

Web Log Analyser by Keyword. is a specialist log analyzer.It looks at referrals from search engines in much more detail than general web log analyzers.

Includes reports by Search Term, Start Page and specific Search Term + Start Page combinations.
For any Keyword see a graph of the number of finds plotted Against Time.
For each line on any report see a breakdown of the pages to which user surfed.
Define groups of keywords and view all statistics for the group as a whole you can free download Kyb Web Log Analyzer by Keyword 3.10 now.