What is duplicate content?

What is duplicate content and why should you care? Google's Matt Cutts has said many times, there is no duplicate content "penalty" (you won't be kicked out of the results), but it can substantially impact your rankings. When you have duplicate content search engines can't determine which page should rank for a given phrase. Perhaps worse, if some people link using one address (URL), while others link using another address, neither page will have the credibility that it would if all the links po...
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New Ways to Address Duplicate Content

Duplicate Content has long been an issue with webmasters and is cause for concern because duplicating content dilutes your ranking in search results. Perhaps the most common cause of having duplicate content is in allowing both www. and non www versions of your site to exist. However, another place where I see duplicate content occur is when a customer has multiple domain names pointing to the same content. When you use multiple domain names, and there are good reasons to do this, you should pic...
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To www or not to www, that is in the URL …

This article has been updated to address additional questions received on this topic. I am frequently asked about whether to use the www or not in the URL. While many of us are predisposed to typing the www, most of the time including the www is immaterial as typing either www.mywebsite.com or mywebsite.com will usually take you to the same place. So which should you use and when? The answer is either, but not both and here are specific cases to consider: Spidering / Indexing Bookmar...
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