How to Track Duplicate Content or Stolen Content



Copyscape is built as a tool to research online plagiarism and is also useful if you are looking for duplicate content.   We wrote about this tool in the past… but it has cropped up again recently as a tool to find duplicate content.

Simply type in the address of your web page, and Copyscape does the rest. Copyscape finds sites that have copied your content without permission, as well as those that have quoted you.

Copyscape provides a list of websites that have duplicate content

Copyscape provides a list of websites that have duplicate content

When you click on any link, it displays the webpage and highlights the text at issue:

copyscape-highlightedIf you are not trying to sniff out duplicate content or stolen content, this this is a fun tool to research yourself and your competitors.

Try searching some of the interior URLs of your websites too.

Please leave suggestions below if you have a different tool you recommend.

One question I cannot answer is how to do the same with videos, since, Copyscape only works with text.  Again, leave any suggestions below.


  1. Copyscape is an excellent tool. I have used it in the past to find a company that completely ripped off a bunch of paragraphs of text from my site. I don’t know how Copyscape does it, but it definitely works well. And the way it highlights duplicate content with different colors is really convenient too.

  2. Copyscape is great for controlling freelancers’ work. it happened to me more than once – I paid someone for writing some content for me and it turned out that he either duplicated it from some other site or just sent the same work to numerous clients before me. In both cases I ended up with duplicate content on my site.

  3. Well, Copyscape is definitely a great tool indeed, as I frequently used it to check for the duplicate contents, Trent. Beside that, I also use Copy Alerts as well, but it has already shuttering its door!

  4. Copyscape is the ‘market leader’ in this. I have been hearing about FairShare CC and Tracer as well. But so far I stick to copyscape to verify if an article is original.

  5. Can you make a recommendation to track stolen images??

  6. Trent, in this case, you might want to try the TinEye, as it can help you to find and track stolen images instantly. I have used it last year and it’s really a brilliant tool indeed!

  7. To look for duplicate content you also might use google search and put in: “a sentence” you want to verify.
    That way you can see if there are a few or a lot website pages with the same content.

  8. I really love this tool. But you need to be careful not to care about this kind of stuff too much. I find that people rip me off all the time. You just need to keep pumping out online assets and stop worrying so much about what people are “steeling” from you. It can really bring you down a lot and you don’t get anything done. What do you think?

  9. Thanks wilson, great tip.

    I just ran a through pictures though it and found duplicate images. I will check it out more


  10. I personally agree with you, but many of my clients wouldn’t!

  11. In fact, Google expresses a strong opposition toward duplicate content. Google filters out websites with duplicate content by using the Supplemental Index of its database. The GoogleBot crawls websites and looks for similar strings and content among the pages. It then eliminates websites with duplicate content by getting only a fraction from this collection.

  12. Introspective says:

    I used to publish my articles, but now I wander should I stop doing this, because the risk of duplicate content penalty. Should I stop publish my articles on article directories?

  13. Hi, nice article.

    Have you heard about DupeMagic? It’s a WordPress plugin for creating high quality unique content (not garbage). You can check the result using copyscape. If your site is not listed in the result, your page is unique.

    See the review here :


  14. Samuel, I may check this out… however, I am not a big fan of creating junk content just for search engines. I recommend people write useful and meaningful content for their websites that is unique and relevant. Creating content from a machine, is like, so 1998… the only difference is now people care whether it is duplicate. Trent