Google Penguin update was brought to penalize Link spamming. The websites using or practicing spam link building tactics would be affected by the Google Penguin update. Primarily website participating in link spamming activities like manipulative link building, low-quality link building, link exchange programs, artificial link building, automated link building, link farming, wiki spamming, comment spamming, low-quality directory submission, low-quality forum posting will be affected by Google penguin update.