How can I clone or mirror a site without SEO penalties for duplicate content?

Posted by Amanda on Pro Webmasters See other posts from Pro Webmasters or by Amanda
Published on 2010-12-03T11:11:25Z Indexed on 2011/01/12 17:58 UTC
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seo

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web-development

I am a web developer and I want to create clones of the sites I've developed for clients, so that I have an "original copy" on a subdomain of my own website, so that I can showcase my work to new clients.

What is the best way to not get my clients original websites penalised for duplicate content?

I am planning to have a robots.txt file that disallows all robots, as well as using

<link href="http://www.client-canonical-site.com/" rel="canonical" />

in the <head> of the pages.

Is that sufficient? Should I use rel=nofollow on all the links as well?

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