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 avoid spam penalizations?
-
Hello everyone,
I have a basic question for which I couldn't find a definitive answer for.
Let's say I have my main website with URL:
And I have a related affiliates website with URL:
Which includes completely different content from the main website. Also, both domains have two different IP addresses.
Are those considered two completely separate domains by Google? Can bad links pointing to affiliates.mywebsite.com affect www.mywebsite.com in any way?
Thanks in advance for any answer to my inquiry!
-
Sure, I understand, that makes sense. Thank you for your help!
-
Hi Fabrizo,
As answered by Joshua Belland in above answer, you will need to be careful with how you plan it out.
The IP and DNS need to be on a different server.
Be careful about how prtovide link for these with each other.
Regards,
Vijay
-
Sorry guys, I wasn't enough clear with my first question above, it was actually too generic.
To cut to the chase, I am talking about our main website:
www.virtualsheetmusic.com (IP 66.29.153.48)
and our affiliate website which is:
affiliates.virtualsheetmusic.com (IP 66.29.153.50)
They have 2 different IPs, but they are on the same server and same network, of course their are on the same IP block.
And I'd like to know to what extent the activity/status of one site can affect the other, but from what you are asking, I guess they could affect each other to some extent. I mean, Google could understand that they are part of the same "network" and then associate them anyway... right?
-
Are these subdomain properties on different A class ip blocks or different C class ip blocks?
It think this all depends. If the IP addresses are in the same neighborhood or on the same subnets as each other then I would say yes. But beyond that you have to think about several other foot prints to look for:
- Are the nameservers the same?
- Are these ip addresses assigned to different regions?
- Are you interlinking these web properties?
- Even the fact that the subdomain is still associated with the domain makes nervous and only because that is easy for Google to track. If you think about how may other data points they use to find footprints in their algorithm, I don't see why that wouldn't be one of them.
I would be careful with RankBrain continuously evolving and seeing how much turbulence there has been in the serps lately. Personally, my small PBN is completely on separate A Class IPs, with custom name servers, different hosts, and I only put premium content on it. It's not great for quick affiliate gigs, but it certainly helps sustain long term growth.
-
Hi Fabrizo,
Yes, they would be treated as different entities, as a precaution, I would recommend the geographical location of the server IP to be far off and not from the same IP block.
Thanks,
Vijay
-
Thank you Vijay for your extensive answer, but as I wrote above, each sub-domain has its own separate IP address. So... if each sub-domain has its own IP address, are they treated as two completely different websites?
-
Hi Fabrizo,
A subdomain is treated a different entity, however since it comes from the same IP, it's risky to create backlinks to main the site and subdomain. Let me try to answer your question by giving you an example, where we experimented with the idea of subdomain and main site linking , it would help you understand how google treats them as different entities.
We had a client who runs one of his donation campaign for his project from his subdomain and used the main domain for commercial purpose.
He was linking both domains in reciprocal links to send traffic to donation subdomain from the main site and vice versa. The results were shocking as the donation website was ranking far better on even commercial keywords better than main website. We did a deeper analysis and found out the donation website was out-performing main website in terms of high authority contextual backlinks. After some time, the main site started dipping more on the organic traffic and results, we analysed and concluded it was reciprocal linking that was the source of the problem.
We had to make a choice either to remove reciprocal backlinks or test the subdomain on a separate IP. First, we removed the reciprocal links (even if the client was not ready easily) just to prove to the client that it was subdomain links that were causing the problem, the results were good as the main site recovered the ranks and traffic (we also implemented our planned off-page for both the sites) .
Now, this helped us conclude that same IP + subdomain was an issue but we were not sure whether moving to another server would help (not only IP, we had made clear that we wanted a separate location for server IP from hosting company). We shifted the IP first and then watched the results , the donation site was steadily improving on donation related keywords and dipping on commercial keywords, on the other hand, the main website crept up slowly in ranks on commercial keywords (they were medium-high competition keywords).
We made it clear to the client, that this time the links won't be reciprocal and he has to decide his priority about which site he wants to give follow and no follow links. The client wanted the backlinks from donation to the main site with do-follow links, so we created the same. This further helped our commercial website rank to improve, we are still running the websites in the same mode and the results are good.
I hope this answers your query and would help you have a decision. if you have further questions, please feel free to respond and ask.
Regards,
Vijay
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
-
New Subdomain & Best Way To Index
We have an ecommerce site, we'll say at https://example.com. We have created a series of brand new landing pages, mainly for PPC and Social at https://sub.example.com, but would also like for these to get indexed. These are built on Unbounce so there is an easy option to simply uncheck the box that says "block page from search engines", however I am trying to speed up this process but also do this the best/correct way. I've read a lot about how we should build landing pages as a sub-directory, but one of the main issues we are dealing with is long page load time on https://example.com, so I wanted a kind of fresh start. I was thinking a potential solution to index these quickly/correctly was to make a redirect such as https://example.com/forward-1 -> https:sub.example.com/forward-1 then submit https://example.com/forward-1 to Search Console but I am not sure if that will even work. Another possible solution was to put some of the subdomain links accessed on the root domain say right on the pages or in the navigation. Also, will I definitely be hurt by 'starting over' with a new website? Even though my MozBar on my subdomain https://sub.example.com has the same domain authority (DA) as the root domain https://example.com? Recommendations and steps to be taken are welcome!
Intermediate & Advanced SEO | | Markbwc0 -
How to avoid Google penalties being inherited when moving on with a new domain?
Looking for SEOs who have experience with resetting projects by migrating on to a new domain to shed either a manual or algorithmic penalty. My questions are: For algorithmic penalties, what is the best migration strategy to avoid inheriting any kind of baggage? 301, 302, establish no connection between the two sites? For manual penalties, what is the best migration strategy to avoid inheriting any kind of baggage? 301, 302, establish no connection between the two sites? Any other input on these kind of reset projects is appreciated.
Intermediate & Advanced SEO | | spanish_socapro0 -
Archiving a festival website - subdomain or directory?
Hi guys I look after a festival website whose program changes year in and year out. There are a handful of mainstay events in the festival which remain each year, but there are a bunch of other events which change each year around the mainstay programming.This often results in us redoing the website each year (a frustrating experience indeed!) We don't archive our past festivals online, but I'd like to start doing so for a number of reasons 1. These past festivals have historical value - they happened, and they contribute to telling the story of the festival over the years. They can also be used as useful windows into the upcoming festival. 2. The old events (while no longer running) often get many social shares, high quality links and in some instances still drive traffic. We try out best to 301 redirect these high value pages to the new festival website, but it's not always possible to find a similar alternative (so these redirects often go to the homepage) Anyway, I've noticed some festivals archive their content into a subdirectory - i.e. www.event.com/2012 However, I'm thinking it would actually be easier for my team to archive via a subdomain like 2012.event.com - and always use the www.event.com URL for the current year's event. I'm thinking universally redirecting the content would be easier, as would cloning the site / database etc. My question is - is one approach (i.e. directory vs. subdomain) better than the other? Do I need to be mindful of using a subdomain for archival purposes? Hope this all makes sense. Many thanks!
Intermediate & Advanced SEO | | cos20300 -
Subdomain Blog Sitemap link - Add it to regular domain?
Example of setup:
Intermediate & Advanced SEO | | EEE3
www.fancydomain.com
blog.fancydomain.com Because of certain limitations, I'm told we can't put our blogs at the subdirectory level, so we are hosting our blogs at the subdomain level (blog.fancydomain.com). I've been asked to incorporate the blog's sitemap link on the regular domain, or even in the regular domain's sitemap. 1. Putting the a link to blog.fancydomain.com/sitemap_index.xml in the www.fancydomain.com/sitemap.xml -- isn't this against sitemap.org protocol? 2. Is there even a reason to do this? We do have a link to the blog's home page from the www.fancydomain.com navigation, and the blog is set up with its sitemap and link to the sitemap in the footer. 3. What about just including a text link "Blog Sitemap" (linking to blog.fancydomain.com/sitemap_index.html) in the footer of the www.fancydomain.com (adjacent to the text link "Sitemap" which already exists for the www.fancydomain.com's sitemap. Just trying to make sense of this, and figure out why or if it should be done. Thanks!0 -
How Google Adwords Can Impact SEO Ranking ?
Hi SEO Gurus, I have a question. How Google Adwords Can Impact SEO Ranking ?
Intermediate & Advanced SEO | | Webdeal
Positive , negative or neutral impact? I will appreciate if you will provide detailed answer Thank you for your time webdeal0 -
PDFs and images in Sub folder or subdomain?
What would you recommend as best practice? Our ecommerce site has a lot of PDFs supporting the product page. Currently they are kept in a sub domain and so are all images. Would it be better to keep them all in a subfolder? I've read about blogs being hosted on a subfolder to be better than subdomain but what about pdfs and images? thoughts?
Intermediate & Advanced SEO | | Bio-RadAbs0 -
Can Google Read Text in Carousel
so what is the best practice for getting Google to be able to read text that populates via JQuery in a carousel. If the text is originally display none, is Google going to be able to crawl it? Are there any limits to what Google can crawl when it comes to JavaScript and text? Or is it always better just to hardcopy the text on the page source?
Intermediate & Advanced SEO | | imageworks-2612900 -
Create a new XML Sitemap for a blog subdomain?
What would be the best way to go about this? A site just put a blog on http://blog.domain.com/ Should there be a separate XML Sitemap for that particular subdomain or should the original XML Sitemap for the main domain be sufficient? Looking forward to your responses. Thanks
Intermediate & Advanced SEO | | iAnalyst.com0