In his Latest Post Google's Matt Cutts clearly said about the issue whether your site Ranking hit an Algorithmic Penalty.
The worries of the webmasters and the SEO world are getting tougher everyday and they can't understand what are going to their websites or Businesses. All this issues are creeping day by day and now Google's Web Spam Head Matt Cutts came out with a video where he described all the things.
Matt Cutts wants to say if your site is hit by a Google algorithm such as Panda or