Duplicate content

Duplicate content, or content plagiarism. This is often a phenomenon on different types of websites. It is the existence of the same content on different sub-pages or even a single page. Unfortunately, duplicate content adversely affects positioning sub-page as well as the entire website. It should not appear and the content should always be different. When multiple pages contain identical content a search engine, e.g. Google, may stop displaying the duplicate site in the given results and may even be penalised.