Google Supplemental results behind the scene

Even though Google is not display the Supplemental results tag. They have it behind the seen. I have seen it clearly with one of my sites behavior. There were 2000+ pages indexed from one of my sites. But except 20 pages all others were in Supplemental results.

 After few changes I could managed to get 100+ pages out from the Supplemental results. Then Google traffic was doubled.

Most of new webmasters are not aware of this. Even your site is indexed ,some of your pages might be in Google Supplemental results.

So here is a method to identify it.

 site:www.yoursite.com -allinurl:www. yoursite.com

 This will give Google main index results. So you can put more inbound links to get out of Google Supplemental results. 

Also you need to put unique content to get your pages to good rank. Make your meta tag values unique and relevant.