by Bernhard Kau 5 (9 reviews)

Unique Title Checker

Name: Unique Title Checker
Rating: 5.0 (9 reviews)
Author: Bernhard Kau

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.

Unique Title Checker ranks #7,138 among WordPress.org plugins with 900+ active installations, is #345 of 4,265 in the SEO & Marketing category, a 5/5 rating from 9 reviews, and was last updated Aug 24, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v2.1.0 Current Version v2.1.0

Updated 2 months ago Last Update on 24 Aug, 2026

Refreshed 2 days ago Last Refreshed on

#345 of 4,265 in SEO & Marketing Top 10% by installs Downloads -18.1% this week

View on WordPress.org

Rank

#7,138

— No change

Active Installs

900+

-9.5%

KW Avg Position

— No change

Downloads

22K

+15 today

Support Resolved

— No change

Rating

100%

Review 5 out of 5

5 (9 reviews)

Next Milestone 1K

Total Progress 66%

900+ 1K+

227

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Rank Changes

Current #7,138

Change

Best #

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

5.0

9 reviews

Overall 100%

9 (100%)

0 (0%)

Security History

Source: WPVulnerability

No known vulnerabilities on record for Unique Title Checker. Checked 3 months ago.

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Plugin Details

Version: 2.1.0
Last Updated: Aug 24, 2026
Requires WP: 0+
Tested Up To: 7.1
PHP Version: N/A
Author: Bernhard Kau

Support & Rating

Rating: ★ ★ ★ ★ ★ 5
Reviews: 9
Support Threads: 0
Resolved: 0%

Keywords

duplicate title seo title unique title

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TL;DR

AI summary of the plugin's readme

This plugin is for WordPress site owners and administrators managing posts, pages, or custom post types who want to avoid duplicate titles. It checks new content for title uniqueness to prevent SEO harm caused by duplicate titles.

Checks post title uniqueness
Supports pages and custom post types
Filter to modify query arguments
Search across multiple post types
Enhancement of Duplicate Title Checker

Frequently Asked Questions

Common questions about Unique Title Checker

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.