It is a basic fact that you should always publish original content on your website. Still, a vast majority of sites have duplicate content. 

In fact, a recent study conducted by Raven Tools showed that 29% of pages contain duplicate content.

Duplicate Content: Definition

Google defines duplicate content as “substantive blocks of content within or across domains that either completely match or are considerably similar to other content.” 

When you publish your own content in multiple places, you have created duplicate content. Besides, if someone else copies your content and displays it on their website, it is also duplicate content. 

Intentional or unintentional, using duplicate content is unacceptable in both the online and offline world. It can be frustrating for users who are trying to look for information but end up finding very similar content in multiple domains. That’s why search engines make every effort to thwart this practice.

Duplicate Content: Impact 

In order to deliver the best search experience to users, search engines may exclude duplicate content from their results and show only the most relevant ones when the content is significantly similar.

Consequently, whether you publish duplicate content or some malicious marketers lift your content and publish it without your authorization, your site ranking and business reputation are bound to plummet. 

“A website intended to bring traffic may not be visible to the audience at all as the search algorithms group different versions into a bunch and display only the “best” URL (which might or might not be yours!). 
– Megha Chauhan, Henry Harvin Education
If your content doesn’t appear on the results, the whole purpose of publishing it is defeated.

Duplicate Content: How to check it 

Sometimes, when developing your content, you may create a text that is largely similar to already available content. 

“To make sure you publish only unique content, you should always verify your content using plagiarism checker tools. You can use either free tools or premium tools to check for duplicate content.”
Shilpi Sahu, Content Editor.

Some plagiarism checking tools that are available for free include:

  • Plagspotter – This tool identifies duplicate fragments of your content across the network and spots plagiarist who stole your content. You can use Plagspotter to monitor your websites regularly and identify duplicate content.
  • Copyscape – This tool quickly compares your content against already available content and highlights duplicate content. It tells the percentage of your content that matches already available content.
  • Smallseotools – There are multiple SEO tools, for instance, a plagiarism checker that discovers portions of identical content.
  • Duplichecker –This tool helps you to quickly verify the uniqueness of your content before you publish it on your website. 
  • Siteliner – This tool checks your entire website every month for duplicate content. 

Besides free tools, there are several premium tools that monitor duplicate content using complex algorithms. You can use these affordable tools to ensure that plagiarists don’t get credit for your original work.

Plagiarism tools offer reports that prove the originality of your content writing. You can save these reports and use them to verify the uniqueness of your content if someone ever implicates you for publishing copied work.

Some premium tools include:

  • Plagium – This tool offers a first-class deep search, as well as, a free quick search.
  • Grammarly – This tools checks for duplicate content, as well as, punctuation, word choices and sentence structures.
  • – This tool identifies paraphrased fragments and exact matches.


People search the internet to find original and relevant information. Stumbling on duplicate content can leave them disappointed. Always publish helpful and unique content to ensure the best search experience to your readers.

What is duplicate content?

Google defines duplicate content as “substantive blocks of content within or across domains that either completely match or are considerably similar to other content.”

How to check for duplicate content?

Before publishing, you can verify your content using plagiarism checker tools like Plagspotter, Copyscape, Smallseotools, Duplichecker, Siteliner etc these are free tools, Plagiarism tools offer reports that prove the originality of your content.

If you want to taste success as a writer, here are 4 hard truths on why freelance writers fail so that you can learn and put an end to failure whether it is through the means of duplicate content or any other reason.

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Henry Harvin® is a leading career and competency development organization with focus on value creation. We are into the business of training, skill development, assessment centres, content services and higher education. Our dream is to establish 'Henry Harvin®' in line with the vision of Mr.Henry Dunster 400 years ago which now resonates in the form of a prestigious educational institution respected worldwide.

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