Identify the cause
Posted: Sat Apr 19, 2025 10:18 am
One reason could be that the website can be accessed both with and without the www tags, and no redirection is set up. Technically speaking, the www variant is a separate (sub)domain. If this is the case, decide which variant should be included in the search engine index.
Another cause can be product variants in online shops. If a product saudi arabia cell phone number list is available in multiple versions, for example, in different sizes or colors, there is often a separate URL for each possible variant. The product description is then always the same except for the distinguishing features such as the color or size.
UTM parameters for your Google Analytics tracking can also cause duplicate content.
If you have website versions with and without www, redirect the unwanted version to the desired one. Your web server often does this automatically these days. For product variants or URLs with parameters, use the canonical tag and select the page you actually want to rank.
In the SEO Compass, you'll learn everything about the possible causes of duplicate content and how to correctly use the canonical tag . You'll also find a handy cheat sheet available for download. We also have a detailed article for you on how to identify and avoid internal duplicate content .
Another cause can be product variants in online shops. If a product saudi arabia cell phone number list is available in multiple versions, for example, in different sizes or colors, there is often a separate URL for each possible variant. The product description is then always the same except for the distinguishing features such as the color or size.
UTM parameters for your Google Analytics tracking can also cause duplicate content.
If you have website versions with and without www, redirect the unwanted version to the desired one. Your web server often does this automatically these days. For product variants or URLs with parameters, use the canonical tag and select the page you actually want to rank.
In the SEO Compass, you'll learn everything about the possible causes of duplicate content and how to correctly use the canonical tag . You'll also find a handy cheat sheet available for download. We also have a detailed article for you on how to identify and avoid internal duplicate content .