On April 24, 2012 Google issued another update, called Penguin (this is actually is not a real name of an update, G itself describes it as an “algorithm change targeted at webspam”). Some of my sites that used to be on #1 in G got badly affected. While others did not and actually raised in SERPs.
What is Penguin Update
It is an “algorithm change targeted at webspam”. If you’ve notice that your site suddenly dropped rankings on April 24 or few days later, this very likely to be a reason. [click to continue…]