Moz Q&A is closed.
After more than 13 years, and tens of thousands of questions, Moz Q&A closed on 12th December 2024. Whilst we’re not completely removing the content - many posts will still be possible to view - we have locked both new posts and new replies. More details here.
Solve duplicate content issues by using robots.txt
-
Hi,
I have a primary website and beside that I also have some secondary websites with have same contents with primary website. This lead to duplicate content errors. Because of having many URL duplicate contents, so I want to use the robots.txt file to prevent google index the secondary websites to fix the duplicate content issue. Is it ok?
Thank for any help!
-
yes, robots.txt is the bad way, I will try to use canonical tag. Thanks for your help!
-
Using robots.txt is perhaps not the best way of doing it. Using the canonical or a noindex meta tag would likely be best. I think the reasons for this are best summed up in this article which explains, probably better than I could, why robots.txt is not the best way of dealing with duplicate content. Hope this helps.
-
I have tried to use cross-domain canonical, but this is too difficult for me. So, I want to confirm if I use the robots.txt file is ok or not?
Thanks
-
Why not use a cross-domain canonical whereby you reference the pages on your primary website as the canonical version on your secondary websites, thereby eliminating the duplication.
For example on each page that is duplicate on your secondary website you would add the following to the head to reference the primary pages:
Got a burning SEO question?
Subscribe to Moz Pro to gain full access to Q&A, answer questions, and ask your own.
Browse Questions
Explore more categories
-
Moz Tools
Chat with the community about the Moz tools.
-
SEO Tactics
Discuss the SEO process with fellow marketers
-
Community
Discuss industry events, jobs, and news!
-
Digital Marketing
Chat about tactics outside of SEO
-
Research & Trends
Dive into research and trends in the search industry.
-
Support
Connect on product support and feature requests.
Related Questions
-
Duplicate content in sidebar
Hi guys. So I have a few sentences (about 50 words) of duplicate content across all pages of my website (this is a repeatable text in sidebar). Each page of my website contains about 1300 words (unique content) in total, and 50 words of duplicate content in sidebar. Does having a duplicate content of this length in sidebar affect the rankings of my website in any way? Thank you so much for your replies.
On-Page Optimization | Jun 9, 2019, 11:46 PM | AslanBarselinov1 -
How does Indeed.com make it to the top of every single search despite of having aggregated content or duplicate content
How does Indeed.com make it to the top of every single search despite of having duplicate content. I mean somewhere google says they will prefer original content & will give preference to them who have original content but this statement contradict when I see Indeed.com as they aggregate content from other sites but still rank higher than original content provider side. How does Indeed.com make it to the top of every single search despite of having aggregated content or duplicate content
On-Page Optimization | Aug 31, 2015, 12:53 PM | vivekrathore0 -
How do I fix duplicate page issue on Shopify with duplicate products because of collections.
I'm working with a new client with a site built on Shopify. Most of their products appear in four collections. This is creating a duplicate content challenge for us. Can anyone suggest specific code to add to resolve this problem. I'm also interested in other ideas solutions, such as "don't use collections" if that's the best approach. I appreciate your insights. Thank you!
On-Page Optimization | Apr 7, 2015, 7:31 PM | quiltedkoala0 -
Duplicate Content Re: Product listing body copy on Website, Amazon & Ebay - issues ?
Hi Is it ok to have identical product body copy on market/platform listings same as the websites product listings ? In this case the products are the websites/own brand products (all pages canonicalised), so i take it shouldn't cause any issues or are you supposed to differentiate the product body copy on marketplace listings ? Im asking re seo reasons All Best Dan
On-Page Optimization | Nov 17, 2014, 7:56 AM | Dan-Lawrence0 -
Duplicate content on partner site
I have a trade partner who will be using some of our content on their site. What's the best way to prevent any duplicate content issues? Their plan is to attribute the content to us using rel=author tagging. Would this be sufficient or should I request that they do something else too? Thanks
On-Page Optimization | Dec 7, 2013, 1:57 AM | ShearingsGroup0 -
Duplicate Content when Using "visibility classes" in responsive design layouts? - a SEO-Problem?
I have text in the right column of my responsive layout which will show up below the the principal content on small devices. To do this I use visibility classes for DIVs. So I have a DIV with with a unique style text that is visible only on large screen sizes. I copied the same text into another div which shows only up only on small devices while the other div will be hidden in this moment. Technically I have the same text twice on my page. So this might be duplicate content detected as SPAM? I'm concerned because hidden text on page via expand-collapsable textblocks will be read by bots and in my case they will detect it twice?Does anybody have experiences on this issue?bestHolger
On-Page Optimization | Jun 29, 2013, 12:06 AM | inlinear0 -
What's the best practice for handling duplicate content of product descriptions with a drop-shipper?
We write our own product descriptions for merchandise we sell on our website. However, we also work with drop-shippers, and some of them simply take our content and post it on their site (same photos, exact ad copy, etc...). I'm concerned that we'll loose the value of our content because Google will consider it duplicated. We don't want the value of our content undermined... What's the best practice for avoiding any problems with Google? Thanks, Adam
On-Page Optimization | Oct 25, 2012, 1:10 PM | Adam-Perlman0 -
Avoiding "Duplicate Page Title" and "Duplicate Page Content" - Best Practices?
We have a website with a searchable database of recipes. You can search the database using an online form with dropdown options for: Course (starter, main, salad, etc)
On-Page Optimization | Jun 2, 2013, 5:08 PM | smaavie
Cooking Method (fry, bake, boil, steam, etc)
Preparation Time (Under 30 min, 30min to 1 hour, Over 1 hour) Here are some examples of how URLs may look when searching for a recipe: find-a-recipe.php?course=starter
find-a-recipe.php?course=main&preperation-time=30min+to+1+hour
find-a-recipe.php?cooking-method=fry&preperation-time=over+1+hour There is also pagination of search results, so the URL could also have the variable "start", e.g. find-a-recipe.php?course=salad&start=30 There can be any combination of these variables, meaning there are hundreds of possible search results URL variations. This all works well on the site, however it gives multiple "Duplicate Page Title" and "Duplicate Page Content" errors when crawled by SEOmoz. I've seached online and found several possible solutions for this, such as: Setting canonical tag Adding these URL variables to Google Webmasters to tell Google to ignore them Change the Title tag in the head dynamically based on what URL variables are present However I am not sure which of these would be best. As far as I can tell the canonical tag should be used when you have the same page available at two seperate URLs, but this isn't the case here as the search results are always different. Adding these URL variables to Google webmasters won't fix the problem in other search engines, and will presumably continue to get these errors in our SEOmoz crawl reports. Changing the title tag each time can lead to very long title tags, and it doesn't address the problem of duplicate page content. I had hoped there would be a standard solution for problems like this, as I imagine others will have come across this before, but I cannot find the ideal solution. Any help would be much appreciated. Kind Regards5