Penguin 4.0 – How Devaluing Differs From Demoting

Google is always on the lookout for sites that use spammy, unnatural and low quality backlinks to boost rankings, and it regularly evolves its core algorithm to keep on top of those spammers. Any changes to this aspect of their algorithm are called Penguin updates. In October 2012, Google launched the disavow tool, which gave webmasters the ability to filter low quality links.Read the full article