What is the Supplemental Index Ratio?

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.

How Can I Lower My Supplemental Index Ratio?

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

• Avoid duplicate content
• Write long posts
• Avoid linking at bad neighborhood
• Avoid excessive reciprocal links

How Can I Monitor and Have Up To Date Information About My Supplemental Index Ratio ?

TheDownloadPlanet offers you absolutely free tool which will help you always to have the up to date information about index of your site in the Google search engine.

Just copy and paste the entire html code from the textbox below into your html document (web page):

HTML code:

Example:

This will give you a good indication of the overall health of your site. If you have too high a ratio or too many pages in the supplemental index you should fix your site's linking structure and remove duplicate pages. Make sure robots can crawl all of your pages or at least the ones you want them to crawl.  

With this button you will always have up to date information about:

1. Your pages in the main Google index.
2. Your pages in the supplemental Google index.
3. Supplemental Ratio(less is better).

Please try to decrease a value of your Supplemental Ration and you will have a ton of search traffic.