WordPress Duplicate Content Remover

A WordPress plugin that helps you identify and manage duplicate content across your website. It detects posts and pages with identical titles or similar URLs (e.g., /post, /post-1, /post-2) and provides tools to manage them efficiently while implementing proper SEO practices.

Features

• Duplicate Content Detection

  • Identifies posts/pages with identical titles
  • Detects URLs with the same base slug (e.g., blog, blog-1, blog-2)
  • Works with both posts and pages
  • Only checks published content

• SEO Management

  • Automatically adds canonical URLs to duplicate content
  • Points to the oldest post as the original source
  • Override default WordPress and popular SEO plugin canonical tags
  • Helps prevent duplicate content penalties

• User-Friendly Interface

  • Easy-to-use admin interface in WordPress dashboard
  • Clear display of original vs duplicate content
  • Pagination with 20 items per page
  • Bulk delete functionality for duplicates

Installation

1. Download the plugin ZIP file
2. Go to WordPress admin → Plugins → Add New
3. Click "Upload Plugin" and choose the downloaded ZIP file
4. Click "Install Now"
5. After installation, click "Activate"

Usage

1. Access via WordPress admin menu → "Duplicate Content"
2. Review duplicate content groups
3. Select duplicates you want to remove
4. Click "Delete Selected Duplicates" to remove them

SEO Benefits

• Prevents duplicate content penalties from search engines
• Consolidates SEO value to the original post
• Maintains proper link hierarchy
• Improves search engine indexing of your content

Compatibility

• WordPress 5.0 or higher
• PHP 7.2 or higher
• Compatible with major SEO plugins (Yoast SEO, Rank Math)

Technical Details

The plugin handles duplicate content in two ways:

1. URL-based Detection: Finds posts with URLs like:

   example.com/post
   example.com/post-1
   example.com/post-2
   

2. Title-based Detection: Identifies posts with identical titles regardless of URL structure

Canonical URL Implementation

The plugin automatically:

• Removes default WordPress canonical URLs
• Overrides SEO plugin canonical URLs
• Adds the correct canonical URL pointing to the original content

Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

License

This project is licensed under the GPL v2 or later - see the LICENSE file for details.

Support

For support, please create an issue in the GitHub repository or contact the plugin author.

Author

Selvakumar Duraipandian

• GitHub: [@selvasudar]

Changelog

1.0.0

• Initial release
• Basic duplicate content detection
• Canonical URL management
• Admin interface with pagination
• Bulk delete functionality