Noindex Duplicate Posts

This plugin will automatically add a 'Noindex' meta tag to posts that are a duplicate…

To help your WordPress installation be more optimized for search engines, this plugin will include a ‘noindex’ meta tag in the header of any duplicate posts.
Robots will not index any posts with matching title tags, which is a known indicator of negative SEO. This is very useful for automated posting and working with a large amount of posts.

  1. Upload /noindex-duplicate-posts/ to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress