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.
Preventing CNAME Site Duplications
-
Hello fellow mozzers!
Let me see if I can explain this properly.
First, our server admin is out of contact at the moment,
so we are having to take this project on somewhat blind. (forgive the ignorance of terms).We have a client that needs a cname record setup, as they need a sales.DOMAIN.com to go to a different
provider of data. They have a "store" platform that is hosted elsewhere and they require a cname to be
sent to a custom subdomain they set up on their end.My question is, how do we prevent the cname from being indexed along with the main domain? If we
process a redirect for the subdomain, then the site will not be able to go out and grab the other providers
info and display it. Currently, if you type in the sales.DOMAIN.com it shows the main site's homepage.
That cannot be allow to take place as we all know, having more than one domain with
exact same content = very bad for seo. I'd rather not rely on Google to figure it out.Should we just have the cname host (where its pointing at) add a robots rule and have it set to not index
the cname? The store does not need to be indexed, as the items are changed almost daily.Lastly, is an A record required for this type of situation in any way?
Forgive my ignorance of subdomains, cname records and related terms. Our server admin being
unavailable is not helping this project move along any. Any advice on the best way to handle
this would be very helpful! -
It is pointing to the other server now. We have it blocked from indexing on that end, just wanted to make sure that was enough.
-
No,
it is because you are pointing sales to a different sever, it seems to me that you don't have your dns set up correctly. you don't want sales pointing to your main website. -
So does this work better because Google will not show an IP address in search results?
-
You need to point your cname to the ip of the server that hosts your sales.domain.com
don't
Do
sales.domain.com > 123.123.123.123
where 123.123.123.123 is the ip of the hosting webserver.
-
Hello David,
I think with the robots rule (there are many examples out there) should be more than enough in your case! take a look at this helpful article: http://outdoorsrank.com/community/q/block-an-entire-subdomain-with-robots-txt
I hope that was helpful! Sorry about my English... I'm Spanish
Luis
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
-
What is the best strategy to SEO Discontinued Products on Ecommerce Sites?
RebelsMarket.com is a marketplace for alternative fashion. We have hundreds of sellers who have listed thousands of products. Over 90% of the items do not generate any sales; and about 40% of the products have been on the website for over 3+ years. We want to cleanup the catalog and remove all the old listings that older than 2years that do not generate any sales. What is the best practice for removing thousands of listings an Ecommerce site? do we 404 these products and show similar items? Your help and thoughts is much appreciated.
White Hat / Black Hat SEO | | JimJ3 -
Moz was unable to crawl your site? Redirect Loop issue
Moz was unable to crawl your site on Jul 25, 2017. I am getting this message for my site: It says "unable to access your homepage due to a redirect loop. https://kuzyklaw.com/ Site is working fine and last crawled on 22nd July. I am not sure why this issue is coming. When I checked the website in Chrome extension it saysThe server has previously indicated this domain should always be accessed via HTTPS (HSTS Protocol). Chrome has cached this internally, and did not connect to any server for this redirect. Chrome reports this redirect as a "307 Internal Redirect" however this probably would have been a "301 Permanent redirect" originally. You can verify this by clearing your browser cache and visiting the original URL again. Not sure if this is actual issue, This is migrated on Https just 5 days ago so may be it will resolved automatically. Not sure, can anybody from Moz team help me with this?
White Hat / Black Hat SEO | | CustomCreatives0 -
Site Footer Links Used for Keyword Spam
I was on the phone with a proposed web relaunch firm for one of my clients listening to them talk about their deep SEO knowledge. I cannot believe that this wouldn’t be considered black-hat or at least very Spammy in which case a client could be in trouble. On this vendor’s site I notice that they stack the footer site map with about 50 links that are basically keywords they are trying to rank for. But here’s the kicker shown by way of example from one of the themes in the footer: 9 footer links:
White Hat / Black Hat SEO | | RosemaryB
Top PR Firms
Best PR Firms
Leading PR Firms
CyberSecurity PR Firms
Cyber Security PR Firms
Technology PR Firms
PR Firm
Government PR Firms
Public Sector PR Firms Each link goes to a unique URL that is basically a knock-off of the homepage with a few words or at the most one sentences swapped out to include this footer link keyword phrase, sometimes there is a different title attribute but generally they are a close match to each other. The canonical for each page links back to itself. I simply can’t believe Google doesn’t consider this Spammy. Interested in your view.
Rosemary0 -
Spam sites with low spam score?
Hello! I have a fair few links on some of the old SEO 'Directory' sites. I've got rid of all the obviously spammy ones - however there are a few that remain which have very low spam scores, and decent page authority, yet they are clearly just SEO directories - I can't believe they service any other purpose. Should we now just be getting rid of all links like this, or is it worth keeping if the domain authority is decent and spam score low? Thanks Sam
White Hat / Black Hat SEO | | wearehappymedia0 -
Do I lose link juice if I have a https site and someone links to me using http instead?
We have recently launched a https site which is getting some organic links some of which are using https and some are using http. Am I losing link juice on the ones linked using http even though I am redirecting or does Google view them the same way? As most people still use http naturally will it look strange to google if I contact anyone who has given us a link and ask them to change to https?
White Hat / Black Hat SEO | | Lisa-Devins0 -
How would you optimize a new site?
Hi guys, im here to ask based on your personal opinion. We know in order to rank in SEO for a site is to make authority contents that interest people. But what would you do to increase your ranking of your site or maybe a blog post? leaving your link on blogs comment seem dangerous, nowadays. Is social media the only way to go? Trying to get people to write about you? what else can be done?
White Hat / Black Hat SEO | | andzon0 -
Rel author and duplicate content
I have a question if a page who a im the only author, my web will duplicate content with the blog posts and the author post as they are the same. ¿what is your suggestion in that case? thanks
White Hat / Black Hat SEO | | maestrosonrisas0 -
Closing down site and redirecting its traffic to another
OK - so we currently own two websites that are in the same industry. Site A is our main site which hosts real estate listings and rentals in Canada and the US. Site B hosts rentals in Canada only. We are shutting down site B to concentrate solely on Site A, and will be looking to redirect all traffic from Site B to Site A, ie. user lands on Toronto Rentals page on Site B, we're looking to forward them off to Toronto Rentals page on Site A, and so on. Site A has all the same locations and property types as Site B. On to the question: We are trying to figure out the best method of doing this that will appease both users and the Google machine. Here's what we've come up with (2 options): When user hits Site B via Google/bookmark/whatever, do we: 1. Automatically/instantly (301) redirect them to the applicable page on Site A? 2. Present them with a splash page of sorts ("This page has been moved to Site A. Please click the following link <insert anchor="" text="" rich="" url="" here="">to visit the new page.").</insert> We're worried that option #1 might confuse some users and are not sure how crawlers might react to thousands of instant redirects like that. Option #2 would be most beneficial to the end-user (we're thinking) as they're being notified, on page, of what's going on. Crawlers would still be able to follow the URL that is presented within the splash write-up. Thoughts? We've never done this before. It's basically like one site acquiring another site; however, in this case, we already owned both sites. We just don't have time to take care of Site B any longer due to the massive growth of Site A. Thanks for any/all help. Marc
White Hat / Black Hat SEO | | THB0