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.
Can subdomains hurt your primary domain's SEO?
-
Our primary website https://domain.com has a subdomain https://subDomain.domain.com and on that subdomain we have a jive-hosted community, with a few links to and fro. In GA they are set up as different properties but there are many SEO issues in the jive-hosted site, in which many different people can create content, delete content, comment, etc. There are issues related to how jive structures content, broken links, etc. My question is this: Aside from the SEO issues with the subdomain, can the performance of that subdomain negatively impact the SEO performance and rank of the primary domain? I've heard and read conflicting reports about this and it would be nice to hear from the MOZ community about options to resolve such issues if they exist. Thanks.
-
All of the content that you have on a subdomain and all of the links that the subdomain attracts could have been working to strengthen your root domain.
In Google you are going out to fight the heavyweights. Do you want to do that with a couple light weight platforms or do you want to unite the clans and attack with all that you got. That is the choice that you make by running subdomains.
I moved and redirected my subdomains into folders on the main website a long time ago and the results were great.
-
Under certain circumstances it can harm the rankings and SEO performance of your main site. In terms of low-end technical SEO issues like broken links and stuff, that usually wouldn't be a problem (unless it were creating loads of broken links from the sub-site, to the main site). If you had a more substantial issue like an active penalty (manual GSC notification) or a malware threat (or hacked content) on your subdomain, that could assuredly harm the main site's rankings. Except in extreme circumstances such as these - I wouldn't worry about it too much
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
-
Change Google's version of Canonical link
Hi My website has millions of URLs and some of the URLs have duplicate versions. We did not set canonical all these years. Now we wanted to implement it and fix all the technical SEO issues. I wanted to consolidate and redirect all the variations of a URL to the highest pageview version and use that as the canonical because all of these variations have the same content. While doing this, I found in Google search console that Google has already selected another variation of URL as canonical and not the highest pageview version. My questions: I have millions of URLs for which I have to do 301 and set canonical. How can I find all the canonical URLs that Google has autoselected? Search Console has a daily quota of 100 or something. Is it possible to override Google's version of Canonical? Meaning, if I set a variation as Canonical and it is different than what Google has already selected, will it change overtime in Search Console? Should I just do a 301 to highest pageview variation of the URL and not set canonicals at all? This way the canonical that Google auto selected might get redirected to the highest pageview variation of the URL. Any advice or help would be greatly appreciated.
Intermediate & Advanced SEO | | SDCMarketing0 -
Can I use duplicate content in different US cities without hurting SEO?
So, I have major concerns with this plan. My company has hundreds of facilities located all over the country. Each facility has it's own website. We have a third party company working to build a content strategy for us. What they came up with is to create a bank of content specific to each service line. If/when any facility offers that service, they then upload the content for that service line to that facility website. So in theory, you might have 10-12 websites all in different cities, with the same content for a service. They claim "Google is smart, it knows its content all from the same company, and because it's in different local markets, it will still rank." My contention is that duplicate content is duplicate content, and unless it is "localize" it, Google is going to prioritize one page of it and the rest will get very little exposure in the rankings no matter where you are. I could be wrong, but I want to be sure we aren't shooting ourselves in the foot with this strategy, because it is a major major undertaking and too important to go off in the wrong direction. SEO Experts, your help is genuinely appreciated!
Intermediate & Advanced SEO | | MJTrevens1 -
Is having a .uk.com domain a hindrance for long-term SEO?
I know there has been some mention on Moz Q&A for .uk.com, but not for at least 3 years. So I wanted to see if any Mozzers out there knew if having a .uk.com domain would hinder our SEO long-term? Our company is finally now taking SEO seriously and we're planning some great stuff for the year ahead, but I have a feeling that our .uk.com domain may prevent us from out-ranking some of the bigger companies out there. Does anyone have any thoughts about this out there? Thanks 🙂
Intermediate & Advanced SEO | | JamesPearce0 -
Do Q&A 's work for SEO
If I create a good community in my particular field on my SEO site and have a quality Q&A section like this etc (ripping of MOZ's idea here sorry, I hope it's ok) will the long term returns be worth the effort of creating and man ageing this. Is the user created content of as much use as I think it will be?
Intermediate & Advanced SEO | | mark_baird0 -
What are Soft 404's and are they a problem
Hi, I have some old pages that were coming up in google WMT as a 404. These had links into them so i thought i'd do a 301 back to either the home page or to a relevant category or page. However these are now listed in WMT as soft 404's. I'm not sure what this means and whether google is saying it doesn't like this? Any advice welcomed.
Intermediate & Advanced SEO | | Aikijeff0 -
Google is mixing subdomains. What can we do?
Hi! I'm experiencing something that's kind of strange for me. I have my main domain let's say: www.domain.com. Then I have my mobile version in a subdomain: mobile.domain.com and I also have a german version of the website de.domain.com. When I Google my domain I have the main result linking to: www.domain.com but then Google mixes all the domains in the sites links. For example a Sing in may be linking mobile.domain.com, a How it works link may be pointing to de.domain.com, etc What's the solution? I think this is hurting a lot my position cause google sees that all are the same domain when clearly is not. thanks!!
Intermediate & Advanced SEO | | fabrizzio0 -
Two Pages with the Same Name Different URL's
I was hoping someone could give me some insight into a perplexing issue that I am having with my website. I run an 20K product ecommerce website and I am finding it necessary to have two pages for my content: 1 for content category pages about wigets one for shop pages for wigets 1st page would be .com/shop/wiget/ 2nd page would be .com/content/wiget/ The 1st page would be a catalogue of all the products with filters for the customer to narrow down wigets. So ultimately the URL for the shop page could look like this when the customer filters down... .com/shop/wiget/color/shape/ The second page would be content all about the Wigets. This would be types of wigets colors of wigets, how wigets are used, links to articles about wigets etc. Here are my questions. 1. Is it bad to have two pages about wigets on the site, one for shopping and one for information. The issue here is when I combine my content wiget with my shop wiget page, no one buys anything. But I want to be able to provide Google the best experience for rankings. What is the best approach for Google and the customer? 2. Should I rel canonical all of my .com/shop/wiget/ + .com/wiget/color/ etc. pages to the .com/content/wiget/ page? Or, Should I be canonicalizing all of my .com/shop/wiget/color/etc pages to .com/shop/wiget/ page? 3. Ranking issues. As it is right now, I rank #1 for wiget color. This page on my site would be .com/shop/wiget/color/ . If I rel canonicalize all of my pages to .com/content/wiget/ I am going to loose my rankings because all of my shop/wiget/xxx/xxx/ pages will then point to .com/content/wiget/ page. I am just finding with these massive ecommerce sites that there is WAY to much potential for duplicate content, not enough room to allow Google the ability to rank long tail phrases all the while making it completely complicated to offer people pages that promote buying. As I said before, when I combine my content + shop pages together into one page, my sales hit the floor (like 0 - 15 dollars a day), when i just make a shop page my sales are like (1k+ a day). But I have noticed that ever since Penguin and Panda my rankings have fallen from #1 across the board to #15 and lower for a lot of my phrase with the exception of the one mentioned above. This is why I want to make an information page about wigets and a shop page for people to buy wigets. Please advise if you would. Thanks so much for any insight you can give me!
Intermediate & Advanced SEO | | SKP0 -
Subdomains and SEO - Should we redirect to subfolder?
A new client has mainsite.com and a large numer of city specific sub domains i.e. albany.mainsite.com. I think that these subdomains would actually work better as subfolders i.e mainsite.com/albany rather than albany.mainsite.com. The majority of links on the subdomains link to the main site anyway i.e. mainsite.com/contactus rather than albany.mainsite.com/contactus. Having mostly main domain links on a subdomain doesnt seem like clever link architecture to me and maybe even spammy. Im not overly familiar with redirecting subdomains to subfolders. If we go the route of 301'ing subdomains to subfolders any advice/warnings?
Intermediate & Advanced SEO | | AndyMacLean0
