Copyscape Premium
The Copyscape Premium plugin lets you check if a WordPress post is unique before it's published, by searching for duplicate content on the web.
The facts
- Rating
- 3.2★ from 10
- Active installs
- 800+
- Price
- Free
- Last updated
- 24 Dec 2025
- Added
- Apr 2013
- Requires WP
- 3.0.1
- Tested up to
- WP 6.9.7
- Downloads
- 58,518
Our analysis
AI-assistedThe Copyscape Premium plugin allows you to check the originality of your WordPress posts by using the Copyscape Premium API to identify duplicate content on the web. It adds a 'Copyscape Check' button to your WordPress interface for manual checks, and you can also configure it to automatically check posts upon publishing or updating.
This plugin is suitable for content creators and website owners who want to ensure their content is original before it goes live. To use it, you need a Copyscape Premium account and credits for API access.
Best for: Content creators and website owners who want to verify content originality.
What it does well
- ✓Checks for duplicate content using Copyscape Premium API
- ✓Adds a 'Copyscape Check' button to the WordPress interface
- ✓Can automatically check posts on publish or update
- ✓Provides reports of matching pages and detailed comparisons
Where it falls short
- •Requires a Copyscape Premium account and credits for use
- •Limited information available on user experience and support
Verdict
The Copyscape Premium plugin offers a straightforward way to check for duplicate content, but requires a paid account to function effectively.
From the developer
Copyscape's own description of Copyscape Premium, lightly tidied.
The Copyscape Premium plugin lets you check if a WordPress post is original before it’s published, by using the Copyscape Premium API to check for duplicate content on the web.
The plugin will add a ‘Copyscape Check’ button to your WordPress interface, allowing you to check your posts whenever you wish. You may also set the plugin to automatically check your posts when you click ‘Publish’ and/or ‘Update’.
When duplicate content is found, a report of matching pages is shown. You may also see a detailed comparison that highlights your content on the found page.
If you do not already have a Copyscape Premium account, please sign up, purchase some credits, and enable your API access. You may then begin using the plugin.