Avoiding Google’s supplemental index in the first place is a whole lot easier than trying to get your pages out of it once they lose SERP (search engine result page) appeal. Any good SEO knows that rankings are all about indexation (which means getting more pages in a search engines index).

SEO Tips to Increase Indexation
If one day your ranking on top of the world and the next it was as if someone turned off the tap, then it may be times to see how many pages you have indexed in Google, Yahoo or Bing.
If you see a sharp drop of your pages in the search engines index, then don’t panic, but you may have tripped a filter and reached your websites’ index cap by creating a null set and need to rework a few metrics to appease search engine spiders to get back in the main index. Read More »