March 20, 2008
Duplicate Content Filters
In Google, the duplicate content filter can be applied to web pages which contain content Google has already indexed, or content which is similar to content previously indexed by GoogleBot. This often happens if you have multiple versions of the same page on your site, or if you used content from other sites.
Currently, when Google finds two or more pages which are duplicate, it will only count one as “authoritative” and discount the others. According to testing, the parameter is PageRank of the page. The highest page wins. Many sites have an HTML version and a Print version of the same page. Do yourself a favor and have both versions in different folders and then exclude the print-only version from being indexed by Google.
Filed under Google, SEM/SEO, Webmaster by Jerry West
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