This refers to content that has been copied from different webpages on the internet. Using duplicate content in a website can boost keyword density, which can improve search rankings. However, this practice is penalized by Google, and can lower rankings. This content can also be used to create alternate versions of webpages.
Sean Si is a Filipino motivational speaker and a Leadership Speaker in the Philippines. He is the head honcho and editor-in-chief of SEO Hacker. He does SEO Services for companies in the Philippines and Abroad. Connect with him at Facebook, LinkedIn or Twitter. Check out his new project, Aquascape Philippines