« Mergely is a powerful diff and merge tool for developers. It can be used as an online editor to highlight changes from existing text documents, for example: text, HTML, XML, and CSS. Mergely is also is a merge tool, so it allows you to merge changes into a new document. The changes can then be downloaded, or shared with others, or referenced in emails, blogs, etc. »
Your content could be similar to other websites on the Internet, or pages from within your own website could be similar to each other (usually the case with dynamic product catalog pages).
This tool allows you to determine the percentage of similarity between two pages.