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Duplicate Content Checkers
Top Duplicate Content Checkers For Website Content

Apr 19, 2017 by Brandon George | Leave a Comment

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Duplicate content can seriously harm your site, so we’ve put together our favorite free duplicate content checkers or plagiarism checking tools for your use.

Choosing to plagiarize content is a risky strategy. Along with losing the respect of their peers, plagiarists have lost their degrees, been fired from their jobs, scuttled their political careers, not to mention dealing with legal repercussions.

So, if plagiarism is regarded as a detestable practice in the offline world, why do people assume that duplicating content in the online world is acceptable? In fact, online duplicate content is a HUGE mistake!

Why You Should Take Advantage Of Duplicate Content Checkers

Search engines want to provide valuable, original content, so they regard plagiarism as a threat to their users’ experience. When a search engine indexes a web page, it scans the page’s content and then compares the content with other indexed websites.

If a page is found to have duplicate content, search engines often will penalize the page by lowering its rankings or removing it entirely from search results, having a major impact on your SEO efforts.

Considering the serious penalties that your site can be landed with if it has plagiarized content, it is highly advisable that you check your existing web content, and any content you plan on publishing, for duplication.

The Best Free Plagiarism Checker Tools For Your Web Content

Even if you are confident your website’s content wasn’t plagiarized, it’s recommended you check to make sure nothing was unintentionally duplicated. To help you complete this task (and ensure that your site’s rankings stay healthy and unpenalized) here are our favorite 4 free duplicate content checker tools:

1. Duplichecker

This free plagiarism checker tool allows you to conduct text searches, DocX or Text file, and URL searches. It’s free with unlimited searches when you register (you’re allowed 1 free search before signing up).

duplichecker free plagiarism checker search

Scan for duplication was completed in just a few seconds (of course this will depend on the length of the text, page, or file you’re scanning). It’s simple, free, and effective!

2. Siteliner

For checking entire websites for duplicate content, there is Siteliner. Simply paste your site’s URL in the box and it will scan for duplicate content, page load time, the number of words per page, internal and external links, and much more. Depending on the size of your site the scan can take a few minutes, but the results are well worth the wait. Once the scan is complete you can click on the results for greater details and even download a report of the scan as a PDF.

siteliner duplicate content checker

Note: The free Siteliner service is limited to one scan, per site, per month, but the Siteliner premium service is very affordable (each page scanned only costs 1c, and you can scan as often as you wish).

3. PlagSpotter

The PlagSpotter URL search is free, quick, and thorough. Scanning a web page for duplicate content took just under a minute with 49 sources listed, including links to those sources for further review. There is also an “Originality” feature that allows you to compare text that has been flagged as duplicated.

plagspotter plagiarism checker

While PlagSpotter’s URL search is free, you can sign up for their no-cost 7-day trial to enjoy a plethora of useful features, including plagiarism monitoring, unlimited searches, batch searches, full site scans, and much more. If you wish to continue using PlagSpotter after the free trial, the paid version is extremely affordable.

4. Copyscape

Copyscape offers a free URL search, with results coming in just a few seconds. While the free version doesn’t do deep searches (breaking down the text in order to search for partial duplication) it does a thorough job of finding exact matches.

copyscape duplicate content tool

If you have found two URLs or text blocks that appear similar, Copyscape has a free comparison tool that will highlight duplicate content in the text. While there is a limited number of searches per site with their free service, Copyscape’s Premium (paid) account allows you to have unlimited searches, deep searches, search text excerpts, search full sites, and monthly monitoring of duplicate content.

Notable Duplicate Content Checking Mentions

Update! When we originally wrote this in 2014, there were very few plagiarisms or duplicate content checking tools on the market. The list has expanded dramatically, and now include many new options to check whether your content is original, including the following honorable mentions:

  • Copyleaks.com
  • Plagtracker.com
  • Viper / Scanmyessay.com
  • Paperrater.com
  • Plagiarisma.net
  • Plagiarismchecker.com
  • Smallseotools.com

Premium (Paid) Duplicate Content Checkers

While most of the duplicate content checkers mentioned above offer a free version along with a premium (paid) version, the following websites provide only paid options.

  • Grammarly.com – we also love their grammar checker!
  • Plagiarismcheck.org
  • Plagscan.com
  • Plagium.com offers free “quick searches,” so if you don’t use it that often, you can get away with the free version.

Now that you know our duplicate content tool recommendations — have any of your own to share?

We hope that the resources we’ve listed above will help you write quality web content without worrying that your website or blog will be penalized for duplicate content. If you’ve already been using a duplicate content checker for your website or blog, we’d love for you to share your own recommendations or experience in the comments below.

If you’d like to learn more about content writing and how it can benefit your site, contact us and we’ll help you devise an effective strategy for your site.

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Filed Under: Content Creation, Website Content, Tools We Recommend Tagged With: duplicate content dangers, free plagiarism checker, tools for content writing

Comments

  1. SimplyNeo says

    Great tutorial, very helpful, thanks

    Reply
  2. Samuel Roy says

    Small SEO Tools I will use regularly to check duplicate content. These are the best tools helpful to check duplicate content. It is more effective information.

    Reply
  3. Mama Marketing says

    Great tutorial, very helpful, thanks You very much 🙂

    Reply
  4. indatext says

    Rather interesting writing, I enjoyed it. Of those mentioned, Copyscape service delivered a lot of what it promised, Although its indexing looks very limited to Western world. Which opens opportunity for the rest of the planet.

    Reply
  5. Nicole M. Blewett says

    Any tools for checking duplicate content for other languages than English?

    Reply
  6. Univarsal Film says

    nic

    Reply

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Brandon New Mug Thrive

About Brandon George

Brandon is the Demand Generation Content Manager at Thrive, where he's been since February 2019. He oversees a content staff of eight. He spent 18 years as a senior writer for The Dallas Morning News, the last eight covering the Dallas Cowboys. He spends most of his free time with his wife and two children, often telling dad jokes or trying to find more time to fish.

  • More Posts (140)

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