A plagiarism search engine is an online tool that allows you to review a text to inspect its originality and check the plagiarism of the readers. To do this,it makes a comparison,in a few seconds,of millions of text fragments that have been published on other web pages. Therefore,and considering the common of this hypothetical situation (both in business websites and in theses or university work),I would like to clarify in detail the online plagiarism of content and then offer a selection of the best tools Free to detect these copies. What is the online plagiarism of content? The plagiarism of content is a term commonly used to define the act of copying or imitating another person's work and making it go as its own. In case you did not know,I must notify you that,in addition to affecting your professional reputation,the duplicate content will harm your SEO since Google does not like to find copied texts. But,do not worry;there are different types of anti-plagiarism progr