Duplicate content is content that is either copied from another site, or content that is repeated throughout a single site. Duplicate content rarely offers any value to the search engines and will generally result in pages being crawled less and stuck in supplemental results.
Comments (2)
Duplicate content can really hurt your ranking. I covered this recently in my article on Drupal SEO. Even if you're not using Drupal, my tips about .htaccess and robots.txt can still be applied to most other CMS software.
Great article
. The information was very accurate and good.