Find and delete duplicates posts. There are extensions that allow you find posts with similar content, redirect duplicates to the post you are keeping
The plugin finds duplicate or similar posts based on their post_content or post_title similarity. You can define the percentage of similarity and othe
Deletes duplicate posts from the database (without affecting menus) each time a new post is published.
Version: 0.9.2 **Deprecated** Prevent visitors from leaving duplicate comments/pingbacks/trackbacks to a post.