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Theme Check

by WordPress.org · Uncategorized

Also makes 22 other plugins · 11.2M+ installs across the portfolio →

A simple and easy way to test your theme for all the latest WordPress standards and practices. A great theme development tool!

Try it live opens a temporary test site in your browser, which can take about 20 seconds to load. Plugins that rely on outside services or a full server may not work completely there.

Health

A 90/100

no flags

Active installs

20K+

≈25K estimated

Momentum

+41%

downloads vs prior 30d

Biggest opportunity: Add “theme”, “development tool” and “practice” to your wp.org tags. You rank #4, #5 and #5 for them without listing them, close enough for a declared tag to move you up. WordPress.org counts only your first five tags, so with 3 listed these are the slots worth spending.

How scoring works →
90 Health · A
Maintenance 100/100
Rating quality 94/100
Support 70/100

90 health vs 58 average across 25,736 Uncategorized plugins

Install conversion

How it's measured →

0.8%

of downloads still active

At least 20K of 2.6M lifetime downloads are still running, in line with its category: the median Uncategorized plugin keeps 0.6%, across 17,769 plugins.

Downloads count every update, not just first installs, so older and more frequently released plugins read lower. Compare against other Uncategorized plugins, not across the directory. wp.org reports active installs as the bottom of a band, so the real rate is this or higher.

This plugin shipped 2 releases in the last 12 months, and every existing install that updated counted as another download. wp.org publishes no split between first installs and updates, so we show the raw rate rather than guess at one.

Details

Version
20260901
Last updated
2mo ago
Added
2018-06-09 · 8 yrs old
Requires WP
3.7
Tested up to
7.1.4
Requires PHP
—

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.

80 / 100

Well optimized

Most to gain: Support resolution

Update recency 100/100

Updated 60 days ago

WP compatibility 100/100

Tested up to WordPress 7.1.4, the current branch or newer

Rating quality 93/100

4.8★ over 195 reviews, smoothed to 4.66★

Listing tuning 84/100

3 of 5 tags set · short description in place

Support resolution 0/100

0 of 1 support threads resolved in the last 2 months

To rank higher: Mark more forum threads resolved — the resolved ratio feeds the ranking.

Get the full rank-higher report →

Daily downloads

Since 5 Oct 2022 · 1,488 days · wp.org + Plugin Pulse archive

+41% vs prior 30d
70631 Oct 2026

30-day downloads

Rolling 30-day volume · peak 35.6K · peaks are release surges

24K31 Oct 2026

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

Theme Check · #1280youHello Plus · #571YITH WooCommerce Cat · #645Advanced Automatic U · #1183

Rating trend

Star average over time · dips mark rough releases

4.831 Oct 2026

Health trend

Composite health score, snapshotted daily

9031 Oct 2026

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.

1.2K31 Oct 2026

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

2mo ago

latest release · v20260901 · 1 Sep 2026

14

tagged releases on record

Recent releases

20260901 · 1 Sep 202620260821 · 21 Aug 202620231220 · 20 Dec 202320230417 · 17 Apr 202320230412 · 12 Apr 202320220929 · 29 Sep 202220211203 · 3 Dec 202120210921 · 21 Sep 202120210617 · 17 Jun 202120200922.1 · 22 Sep 202020200731.1 · 1 Aug 202020200612.1 · 12 Jun 202020190801.1 · 1 Aug 201920190208.1 · 13 May 2019

What its installed base runs

via wordpress.org

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

v20231220 68%
v20160523.1 9%
Older / other versions 23%

Estimated active installs

The public count shows “20K+”. Our estimate pins where the real number sits.

tracked estimate
20K–30K ≈25K

Crossed into this band 18 months ago; the previous band took 21 months to cross, which places it about 50% of the way through.

Install history since 1 Feb 2019

20K31 Oct 2026

Recent reviews

All reviews on wp.org ↗
  1. ★★★★★ Samsul Islam Rana
    1.9y ago

    Great plugin and support! It works well!

    Read on wp.org ↗
  2. ★★★★★ digstertron
    3.5y ago

    I heard good things about this plugin until I used it. It says my theme name and text domain/slug do not match. They do so why is it flagging a non-existent error?

    Read on wp.org ↗
  3. ★★★★★ Organic Themes
    6.9y ago

    We regularly use Theme Check for the development of all Organic Themes. Thanks for creating and maintaining such a useful plugin!

    Read on wp.org ↗
  4. ★★★★★ Jose Mortellaro
    7.4y ago

    One of the best plugins for theme developers. Really a very good job! Have you never thought to create a similar plugin to check plugins? Plugins developers would also need a so helpful tool.

    Read on wp.org ↗
  5. ★★★★★ vbaimas
    7.8y ago

    This is a great plugin for everyone that really likes to develop a WordPress theme and make successfully tests for the basic WordPress standards. The errors separated in ‘Required’, ‘Warning’, ‘Recommended’ and ‘info’. Also provide the basic information of this error and makes you understand where the problem is.

    Read on wp.org ↗
  6. ★★★★★ Maarten Menten
    8.1y ago

    Thank you for this handy feature. This topic was modified 7 years, 9 months ago by Maarten Menten.

    Read on wp.org ↗
  7. ★★★★★ lorelore
    8.5y ago

    Thanks for providing this plugin!

    Read on wp.org ↗
  8. ★★★★★ kayasch
    8.5y ago

    A simple way to test theme for all the latest WordPress standards. Good job!

    Read on wp.org ↗

Behavioral tests

via WP Hive

Automated install-time checks, tested on PHP 7.2.16 · WP 5.3

✓ 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 83 languages, 10 at 90% or more

Spanish (Chile) 100%
Spanish (Spain) 100%
Catalan 99%
German 99%
Japanese 99%
Spanish (Colombia) 99%
English (Canada) 98%
Russian 97%
Spanish (Ecuador) 97%
Spanish (Venezuela) 97%
Romanian 89%
Spanish (Mexico) 77%
English (UK) 73%
Polish 65%
Dutch 58%
English (Australia) 53%
English (New Zealand) 53%
Italian 47%
Persian 34%
French (France) 19%
Ukrainian 19%
Chinese (Taiwan) 17%
Danish 17%
Hebrew 14%

Plus 59 more locales with partial translations.

AI assistants

How it's measured →

Whether ChatGPT and Claude name this plugin when asked the category question, and whether the readme gives them something to quote.

Not measured yet for this plugin’s topics. Its tracked searches are not among the measured topics. See the topics measured so far.

Readme readiness

3 of 8 pass · checked 28 Oct 2026

Can an assistant quote this readme? Eight deterministic checks over the wp.org listing, no model involved.

  • ! Says what it does Short description names no action; say what the plugin does for the site.
  • ! Has a FAQ Only 2 questions in the FAQ; 3 or more gives an assistant something to match.
  • ! FAQ asks real questions 0 of 2 FAQ entries are headings, not questions ("undefined").
  • ✓ Names who it is for Names its audience or use cases ("use this", "if you have").
  • ! Names what it works with Names no plugin, service or platform it works with.
  • ! Headings and lists 1 heading and 0 lists; assistants quote headed sections and bullet lists, not paragraphs.
  • ✓ Enough to quote 1,434 characters of description.
  • ✓ Tags match the text 2 of 3 tags appear in the text; "guidelines" does not.

Growth timeline

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

  1. 2025-05-03 30K+ → 20K+ down after 638 days in tier
  2. 2023-08-04 40K+ → 30K+ down after 460 days in tier
  3. 2022-05-01 50K+ → 40K+ down after 546 days in tier
  4. 2020-11-01 60K+ → 50K+ down after 92 days in tier
  5. 2020-08-01 70K+ → 60K+ down after 274 days in tier
  6. 2019-11-01 80K+ → 70K+ down after 86 days in tier
  7. 2019-08-07 90K+ → 80K+ down after 187 days in tier
  8. 2019-02-01 100K+ → 90K+ down after 1127 days in tier

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).

Embed this report card

Drop a live Pulse card for Theme Check into a readme, a review or a deck. It updates itself.

<iframe src="https://plugins.wpmayor.com/embed/theme-check" width="480" height="300" style="border:0" loading="lazy" title="Theme Check — Plugin Pulse"></iframe>
Preview card ↗

Theme Check: 20K+ active installs, 4.8★ (195 reviews). Plugin Pulse (WP Mayor), as of 2026-10-31. https://plugins.wpmayor.com/plugin/theme-check

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