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Unique Title Checker

by Bernhard Kau · SEO

Also makes 9 other plugins · 6.5K+ installs across the portfolio →

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.

⚠ Few reviews
How scoring works →
87 Health · A
Maintenance 100/100
Rating quality 85/100
Support 70/100

87 health vs 64 average across 1,223 SEO plugins

Directory ranking optimization

How it's scored →

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

89 / 100

Excellent listing optimization

Biggest win: Rating quality

Update recency 100/100
WP compatibility 100/100
Rating quality 63/100
Listing tuning 92/100

To rank higher: Too few reviews to rank on quality — nudge happy users to leave one.

Get the full rank-higher report →

Daily downloads

Since 2022-10-05 · 1,424 days · wp.org + Plugin Pulse archive

+67% vs prior 30d
11Downloads · Aug 26

30-day downloads

Rolling 30-day volume · peaks are release surges

348

now · peak 925

34230d downloads · Aug 26

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

Unique Title Checker · #6945 you HeadSpace2 SEO · #3941 Yoast SEO · #2 LiteSpeed Cache · #5

Update activity

How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.

342per 1k installs · Aug 26

Release cadence

Occasionally updated
from wp.org release tags

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

2

releases in the last 12 months

4mo ago

latest release · v2.1.0

18

tagged releases on record

Recent releases

2.1.0 · 4mo ago2.0.0 · 10mo ago1.9.0 · 1.4y ago1.8.0 · 2.1y ago1.7.1 · 2.1y ago1.7.0 · 2.9y ago1.6.0 · 4.6y ago1.5.1 · 4.6y ago1.5.0 · 6.8y ago1.4.1 · 6.8y ago1.4.0 · 7.5y ago1.3.0 · 7.5y ago1.2.3 · 10.4y ago1.2.2 · 10.4y ago

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 55% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v2.1 55%
v2.0 21%
v1.9 7.5%
v1.7 7.1%
Older / other versions 9.4%

Estimated active installs

The public count shows “1K+”. Our estimate pins where the real number sits.

modeled estimate
1K–2K ≈1.4K

Modeled within the band wp.org reports; tightens as we track daily.

Install history · since 2015-09-10 · 1,426 observations

1KInstalls · Aug 26

Estimated value

What this plugin might earn a year, and what it might sell for. Modeled from public signals; we don't see anyone's books.

Est. annual revenue

N/A

Est. acquisition value

N/A

No paid tier is visible, so we don't put a figure on revenue or sale value: that would be guessing. The install base is a real asset to an acquirer, just not one public data lets us price. A small install base leaves thin data to model from.

Details

Version
2.1.0
Last updated
4d ago
Added
2014-11-04 · 11 yrs old
Requires WP
Tested up to
7.1
Requires PHP

Recent reviews

All reviews on wp.org ↗
  1. gallopingcow
    4mo ago

    If you post every day, you know how hard it can be to ensure every post has a unique title. No matter how hard I try, I eventually have a clever idea that I’ve already had before! Save yourself the embarrassment in your own mind with this simple and straightforward extension! The developer is responsive to down reports as well, so don’t be discouraged if you run into trouble like I did!

    Read on wp.org ↗
  2. snoop23
    3.2y ago

    Works like a charm. Thanks for making it.

    Read on wp.org ↗
  3. Member
    3.4y ago

    Thank you, very useful!

    Read on wp.org ↗
  4. Anh Duc
    6.8y ago

    great

    Read on wp.org ↗
  5. Matteo Battista
    6.8y ago

    Great, It supports and works with Custom Post type !! Thanks

    Read on wp.org ↗
  6. Mohsin Alam
    7.1y ago

    Thank you so much, now I can be sure there is no more duplicate post, page & custom post type. Thanks for the plugin.

    Read on wp.org ↗
  7. Zade
    7.5y ago

    Thanks!

    Read on wp.org ↗
  8. buzzudemy
    8.7y ago

    The best plugin to check duplicate page titles/posts/coupons etc! #1

    Read on wp.org ↗

Behavioral tests

via WP Hive

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0.1

Low memory footprint
Low page-speed impact
Runs on latest PHP + WP
No PHP errors
No JS errors
Activates cleanly
No resource errors
No external HTTP errors
Optimized database use
Frequently updated

Languages

via translate.wordpress.org

Translated into 4 languages, 4 at 90% or more

Chinese (Taiwan) 100%
Dutch 100%
German 100%
German (Formal) 100%

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

No tier crossings observed yet.

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

Compare head to head →

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Unique Title Checker: 1K+ active installs, 5.0★ (9 reviews). Plugin Pulse (WP Mayor), as of 2026-08-28. https://plugins.wpmayor.com/plugin/unique-title-checker