A simple plugin that checks the title of any post, page or custom post type to ensure it is unique and does not hurt SEO.

Naksheth Surabhi

ZPLMOd – Title Checker

A simple plugin that checks the title of any post, page or custom post type to ensure it is unique title, provides alert message for prevent duplicate …

smkn

Notify Duplicate Title

This plugin notify whether or not duplicate title.

Bernhard Kau

This plugin checks the title of a new post/page or any other post type for uniqueness. The plugin provides a filter <code>unique_title_checker_arguments</code>, which enables you to modify the <code>WP_Query</code> 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 <a href="https://wordpress.org/plugins/duplicate-title-checker/" rel="ugc">Duplicate Title Checker</a> by <a href="https://profiles.wordpress.org/ketanajani/" rel="nofollow ugc">ketanajani</a> which only supports posts but not pages or custom post types.
You can contribute to the development of this plugin on <a href="https://github.com/2ndkauboy/unique-title-checker" rel="nofollow ugc">GitHub</a>.
Help translate this plugin into your language on <a href="https://translate.wordpress.org/projects/wp-plugins/unique-title-checker/" rel="nofollow ugc">translate.wordpress.org</a>.

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