Penguin Update 2.1

Penguin Update 2.1 or Penguin 5 has officially been liberated on 4th Oct 2013. Penguin 2.1 Spam filtering algorithm affects ~1% searches to a noticeable degree. Penguin update 2.1 effects sites that are having a spammy links. Google always look for natural links and not simply relevant links. Penguin is a part of Google’s overall search algorithm for sites that are considered to be spamming Google’s search results. Specifically, it goes when sites which will have purchased paid links.

Google Penguin Update 2.1 will update and clean up your back link profile. Concentrate on making and promoting quality content that's helpful and has worth in brief so do something that people like to share.