Unique Title Checker
Active Installs
1,000+
Last Updated
August 12, 2025
First Released
November 4, 2014
Download History (Last one month)
Contributors
This plugin checks the title of a new post/page or any other post type for uniqueness. The plugin provides a filter unique_title_checker_arguments, which enables you to modify the WP_Query arguments used to find duplicate titles. You may use it to search in more than only current post type for a duplicate title.
This plugin is an enhancement of the Duplicate Title Checker by ketanajani which only supports posts but not pages or custom post types.
No installation instructions provided.
Some SEO experts say that you should not have two pages with the same title. If you want to avoid duplicate titles on your website, this plugin can help you with that task, as it checks the uniqueness of page titles before you save or publish a page (or post).
Yes! It was implemented with custom post types in mind. With the default setting, it will check for duplicate titles in the same post type only.
With the default settings, all posts with any post status (even custom ones) will be included in the check, except the statuses “draft”, “auto-draft”, “inherit” and “trash”.
No! You can always save the post. There might be good reasons for you to have duplicate titles on your site. The plugin itself does not influence the saving in any way. Its whole functionality is only based on some AJAX.
Every time you leave the title input field, the plugin will check the uniqueness of the new title, so you know if it will be unique before you save the post.
Absolutely! The plugin provides a filter called unique_title_checker_arguments. With this filter, you can alter the arguments used for the WP_Query, the plugin uses to get posts with duplicate titles.
No, it only checks the uniqueness per post type. But you can customize the WP_Query with the filter mentioned in the previous question. For a check across all post types, you can also use this plugin implementing the filter for such a check.
Yes, you can use the filter unique_title_checker_only_unique_error with __return_true to deactivate it (or use this plugin which implements the filter).
You can report security bugs through the Patchstack Vulnerability Disclosure Program. The Patchstack team helps validate, triage and handle any security vulnerabilities. Report a security vulnerability.
Changelog
2.0.0
- Remove the jQuery dependency
- Time invested for this release: 3h
1.9.0
- Improve JavaScript code security
- Time invested for this release: 60min
1.8.0
- Fix the
post_titleinput selection for iframed Block Editor - Time invested for this release: 60min
1.7.1
- Add blueprint.json file for live demo
- Time invested for this release: 30min
1.7.0
- Fixing the detection of Classic editor in WordPress 6.2
- Time invested for this release: 60min
1.6.0
- Fixing the check for the Block Editor in new WordPress versions.
- Time invested for this release: 90min
1.5.1
- Load the correct JavaScript with Classic Editor activate (props to @elvismdev for the issue and PR!)
- Time invested for this release: 30min
1.5.0
- Improve the translation for languages having “multiple singulars” (e.g. RU)
- Time invested for this release: 45min
1.4.1
- Fix jQuery noConflict issue with Gutenberg block editor
- Time invested for this release: 15min
1.4.0
- Add support for Gutenberg block editor
- Time invested for this release: 90min
1.3.0
- Adding a filter
unique_title_checker_only_unique_errorto hide the success message if a title is unique - Time invested for this release: 30min
1.2.3
- Apply WordPress Coding Standards
- Time invested for this release: 20min
1.2.2
- Fixing German translation and tag as tested up to 4.5
- Time invested for this release: 10min
1.2.1
- Fixing query arguments for admin notices
- Time invested for this release: 10min
1.2
- Show warning when editing a post that has a duplicate title
- Time invested for this release: 30min
1.1
- Show no warning on empty titles
- Time invested for this release: 10min
1.0
- First stable version to be deployed in the official WordPress Plugin Repository
- Writing a readme file
- Making some screenshots
- Submitting the plugin request form
- Adding plugin to the official SVN repository
- Time invested for this release: 2h
0.1
- First version of the plugin including a German translation
- Time invested for this release: 3h
Available Versions
| Version | Download | Type |
|---|---|---|
| 2.0.0 | Download | Stable |
| 1.9.0 | Download | Stable |
| 1.8.0 | Download | Stable |
| 1.7.1 | Download | Stable |
| 1.7.0 | Download | Stable |
| 1.6.0 | Download | Stable |
| 1.5.1 | Download | Stable |
| 1.5.0 | Download | Stable |
| 1.4.1 | Download | Stable |
| 1.4.0 | Download | Stable |
| 1.3.0 | Download | Stable |
| 1.2.3 | Download | Stable |
| 1.2.2 | Download | Stable |
| 1.2.1 | Download | Stable |
| 1.2 | Download | Stable |
| 1.1 | Download | Stable |
| 1.0 | Download | Stable |
| Development | Download | Trunk |
