Duplicate Content Checker

Simply copying from someone else’s work is not acceptable. Whether it’s a student doing a class assignment or a politician writing a dissertation, it’s socially unacceptable to use plagiarism to adorn oneself with someone else’s feathers. It’s no different on the Internet – though it’s particularly easy to copy content here. For the victim, on the other hand, it is often very difficult to check whether someone has used the content on their website. Fortunately, there are duplicate content checkers for this purpose, which help to detect plagiarism on the Internet.

Plagiarism can become a serious problem for the operator of a website – regardless of whether others copy his content or he – unknowingly – uses texts that are not original and therefore not unique content. This is because it is very important for Google and other search engines that a website only uses unique content. If Google detects that a site uses copied content, it will be penalized in the ranking and slide down the SERPs – a decisive disadvantage in competition with other website operators. A duplicate content checker is therefore absolutely recommendable from an SEO and online marketing point of view. In addition, such software can help if there is a dispute over content authorship.

For example, if a company invests a large amount of money in optimizing its website in order to improve its ranking, it would be more than annoying if the success fails to materialize. This can also happen due to errors in the SEO, but also due to the fact that others help themselves to the foreign content. The company can now either accept this – also legally relevant – violation or try to defend itself. In the latter case, however, the company faces the next problem: it must prove that its own content is the original.

With a duplicate content checker, this problem can be solved quite easily, because some variants of this software keep the results of the plagiarism check permanently. If you have your own content checked as soon as you upload it, on the one hand you can be sure that you do not use other people’s texts by mistake. On the other hand, you can easily prove when the content was put online – and thus show that it is the original and not the content of the competition.

How does a duplicate content checker work?

Basically, plagiarism checking software doesn’t work much differently than search engines like Google. It uses certain passages of a text or even the entire text and compares this content with the content available on the Internet. As a rule, duplicate content checkers use Google’s index for this purpose. If a match is found, the software indicates the URL of the page where the content can be found. It also shows which passages are duplicated.

In addition, the available functions depend on the software used. For example, many duplicate content checkers allow you to specify the length of the passages from which the software should strike. It often makes sense to experiment a little here, because the checker should not strike at the slightest match, but it should also not be too “generous”, otherwise even quite clear plagiarism will not be detected. The offers available on the market also differ in terms of checking intervals and documentation of the check. For example, there are duplicate content checkers that check content regularly and automatically, while others do this only once and have to be started manually. So, before choosing one of the offers, it is essential to find out about the scope of functions and, of course, the costs.

The limitations of a duplicate content checker

A plagiarism checker software is supposed to give the user the security that he does not use any foreign content and that nobody helps himself with his content. If you look at how a duplicate content checker works, you might think that such software reliably protects against plagiarism – and this impression is reinforced by many of the software providers.
Unfortunately, however, this impression is deceptive. This is not least due to the heuristics used to detect plagiarism. Here, the user or the vendor must make a judgment call. If the software is hit too often, it is difficult to use. After all, who has the time to deal with several dozen or even hundreds of possible plagiarism cases a day? But if the software checks too inaccurately, plagiarism can go undetected. This would result in a poorer ranking, and in addition, expensive SEO and marketing measures could fizzle out without effect.

In addition, most duplicate content checkers have a fundamental problem: they fall back on Google’s index to find copied text. Although this covers a large number of pages, Google by no means includes all available websites in its index. So if a page has not been indexed, it also falls out of the plagiarism check.

A duplicate content checker is therefore a sensible measure to prevent your own content from being copied. However, such software cannot offer complete protection – this is something you should be aware of.

Which duplicate content checkers are available?

As in most other software areas, the range of duplicate content checkers is immense and difficult to survey at first glance. The following tools are among the best known and most popular available on the market:

Copyscape: This software is probably the most widely used on the Internet, and not without reason. It is very easy to use and the plagiarism detection algorithms work very reliably. If larger numbers of pages are to be checked for unique or duplicate content, a premium version is available for a fee. In addition, the tool can send notifications if copied content is found during an automatic check.
Articlechecker.com: This tool can not only check websites for duplicate content, but also individual texts that are simply copied into the corresponding window. An advantage over Copyscape is the numerous setting options that the program offers. A disadvantage, however, is that the algorithm for checking plagiarism does not work quite as reliably as with Copyscape.
Plagium: This tool requires a fee, but offers a second search method, which is more expensive, but also much more thorough. In addition, the user can decide whether the entire Internet should be searched or whether he wants to limit the search to media portals or social media sites. Shorter texts of up to 5,000 characters can be checked with this tool free of charge.
Copygator: This software is primarily aimed at blog operators, because it searches for copied content not on the Internet, but in RSS feeds. If a plagiarism is discovered during a check, the tool automatically informs the user about it with a message.

Although a duplicate content checker cannot provide absolute protection against plagiarism, such software is nevertheless recommendable. Copied content is detected very reliably overall. In addition, a corresponding tool can provide proof of when one’s own content was uploaded – and thus show what is the original and what is the copy. Furthermore, a duplicate content checker can prevent SEO measures from coming to nothing due to copied content.


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