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Is using subdomains containing duplicate content a problem?

In this case they are linked to from trusted sites

         

jastra

6:36 pm on Oct 5, 2006 (gmt 0)

10+ Year Member Top Contributors Of The Month



I have a new site redesign/SEO client who has what I believe are serious duplicate content issues. Let me throw this out to see if you all agree. I may be wrong. But if it walks like a duck...

He has a seasoned, respected job placement site. But one practice he uses may cause him problems. I suspect that it's becuase he hasn't been caught yet.

He approaches other site owners who have their own sites that are related to my client's demographic. No bad neighborhood stuff here. They agree to sponsor "job center" pages as genuine usability value for their viewers. The job center pages however are served from my client's server. They have the partner site's masthead but each has otherwise exact, duplicate content. So you might have agreeablepartner1.myclient.com, agreeablepartner2.myclient.com, etc. as the domain.

The only thing different about all these pages is the masthead and the color scheme to match the partner's look and feel.

These pages have genuine value for the partner sites' users, but they are nevertheless substantially duplicate content.

Is this going to be an issue?

jtara

8:40 pm on Oct 5, 2006 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



What is his purpose in setting it up this way?

I can think of two reasons:

1. To capture usage statistics
2. To "brand" the listings to the partner

Note that (2) isn't accomplished completely, as it has his site's name as well as the partner's in the domain name.

If he is only interested in (1), he can still do the subdomain (or just a subdirectory) and immediately redirect to the main site.

If he is interested in (2), why not have a robots.txt that denys all spiders?

He can't have his cake and eat it too. He either has to do it all under one site, or tell the spiders to go away on the duplicates.

jastra

9:12 am on Oct 6, 2006 (gmt 0)

10+ Year Member Top Contributors Of The Month



jtara,

It's all about 2. To "brand" the listings to the partner. The stats would be a distant consideration.

Good point-- he should use robots.txt as he's so invested in the job center pages that it would be hard to give them up.

Thanks for the insight. Solves the problem.

Mbwto

4:46 pm on Oct 9, 2006 (gmt 0)

10+ Year Member



Yes! I had a subdomain completely disappear from Google I'm assuming because of duplicate content...after it was changed it came back after a few weeks.