Blogging tips & www social trends
Google has a secondary index containing pages pages considered of less importance.
This pages are considered supplemental results, and returned in SERPs only if there are no pages from the main index matching the given search term(s).
The Supplemental Index Ratio tells you what percentage of pages indexed from your website are supplemental results.
The lower your Supplemental Index Ratio is, the better.
The primary solution is to get more relevant inbound links… but this is the solution of 90% of SEO problems.
Some other suggested solutions are
Basically it:
http://www.google.com/search?q=site%3Adomain&filter=0
http://www.google.com/search?q=site%3Adomain+-inallurl%3Adomain&filter=0