2012-05-12
Google Penguin Update
Penguin Update (Promote high quality sites while penalizing spammy sites)
The Google update that Matt Cutts first called the “Over Optimization Filter” and then called “Webspam Algorithm” was actually called the “Penguin Update” internally at Google.
Ranking Increase = SquiDoo, Hubpages, BlogSpot, forums, sub domains
Ranking Decrease = Exact match domains, websites