Google’s algorithms rely on over 200 unique signals which make it feasible to surface what you may be looking for. These signs include things like the particular words that appear on sites, the freshness of content, your area and PageRank. 1 specific signal of these algorithms is named Penguin, which was first launched in 2012 and now has an update.
The Google Penguin updates primarily try to prevent various kinds of search engine spam from being successfully rewarded in the kind of higher-placed search engine success. Search engine spam may include activities like keyword stuffing, link spamming, using invisible text on web pages, duplication of copyrighted content from high ranking internet sites and more.