It is very important to make sure that the content of a website is not duplicate.If the content is duplicate, it will not make positive ranking in search result. For checking duplicate content by www.duplicar.com the steps are as follows: For checking duplicate website content by www.copyscape.com some steps may be followed- Step-1: Go to www.copyscape.com Step-2: Put the website in the specific box for checking its content whether it is duplicate or not Step-3: Click on Copyscape search Step-4: Within few seconds result will be founded if there is any duplicate content.