By Deane Barker on June 8, 2006

Copyscape – Website Plagiarism Search – Web Site Content Copyright Protection: I think this has already been done. It’s called Google.

Copyscape is dedicated to defending your rights online, helping you fight against online plagiarism and content theft. Copyscape finds sites that have copied your content without permission, as well as those that have quoted you.

Speaking of Google, the copyscape search interface looks eerily like Google. Maybe Google should use the service. Maybe Google is the service.



  1. First off, to answer your question, Copyscape isn’t a part of Google but it does use the Google API to perform its searches. Since this means that Copyscape relies on the Google database, it’s one of the bigger limitations of the service.

    Personally, if you have static content that you want to protect against plagiarism, I’d use Google Alerts ( to do the same thing for free. I’ve had great luck with that myself.

    If you’re worried about someone pilfering more dynamic content, such as a blog, Copyscape is only limitedly useful anyway and there are other tools, such as Feedburner and the upcoming Blogwerx Setinel that offer better protection.

    Just some humble thoughts. I’m just glad to see someone else that’s skeptical about Copyscape.

  2. Copyscape is very different from Google. Tell Copyscape a domain name and it will search for any sites that contain duplicate content. To do a Google search on every sentence in my site would take days. CopyScape does in in minutes.

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