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WP Add Custom CSS

by Daniele De Santis · Uncategorized

Also makes 1 other plugin · 60.2K+ installs across the portfolio →

Add custom css to the whole website and to specific posts and pages.

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.

⚠ Stale

Health

B 71/100

Stale

Active installs

60K+

≈65K estimated

Momentum

+7%

downloads vs prior 30d

Biggest opportunity: Swap “style” and “styles” for “add style” and “minification”. “style” isn't earning its slot: you're not in the first 24 results for its own search. “add style” sits at #23 untagged, close enough for a declared tag to move it up. “styles” isn't earning its slot: you're not in the first 24 results for its own search. “minification” sits at #24 untagged, close enough for a declared tag to move it up. All five slots are taken, so one has to go.

How scoring works →
71 Health · B
Maintenance 53/100
Rating quality 93/100
Support 70/100

71 health vs 58 average across 25,735 Uncategorized plugins

Install conversion

How it's measured →

5.9%

of downloads still active

At least 60K of 1M lifetime downloads are still running, above its category: the median Uncategorized plugin keeps 0.6%, across 17,764 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.

Details

Version
1.2.1
Last updated
1.2y ago
Added
2014-10-04 · 12 yrs old
Requires WP
4.0
Tested up to
6.8.12
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.

86 / 100

Excellent listing optimization

Most to gain: Update recency

Update recency 60/100

Updated 443 days ago, past the ~180 days where wp.org starts discounting

WP compatibility 100/100

Tested up to WordPress 6.8.12, the current branch or newer

Rating quality 91/100

4.8★ over 89 reviews, smoothed to 4.55★

Listing tuning 100/100

5 of 5 tags set · short description in place

To rank higher: Last updated 443 days ago — ship an update; wp.org decays a listing's search weight after ~180 days.

Get the full rank-higher report →

Daily downloads

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

+7% vs prior 30d
11031 Oct 2026

30-day downloads

Rolling 30-day volume · peak 35.9K · peaks are release surges

3.6K31 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

WP Add Custom CSS · #672youSimple Custom CSS Pl · #359Custom CSS and JavaS · #1975TJ Custom CSS · #2441

Health trend

Composite health score, snapshotted daily

7131 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.

6031 Oct 2026

Release cadence

No release in a year
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.

0

releases in the last 12 months

1.2y ago

latest release · v1.2.1 · 14 Aug 2025

19

tagged releases on record

Recent releases

1.2.1 · 14 Aug 20251.2.0 · 6 Aug 20251.1.6 · 26 Sep 20221.1.5 · 3 Aug 20191.1.4 · 20 Jan 20191.1.3 · 7 Jan 20191.1.2 · 1 Mar 20181.1.1 · 25 Feb 20181.1.0 · 25 Feb 20181.0.1 · 13 Jul 20171.0.0 · 17 Aug 20160.9.7 · 10 Dec 20150.9.6 · 2 Nov 20150.9.5 · 10 May 2015

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 51% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v1.2 51%
v1.1 45%
Older / other versions 4.4%

Estimated active installs

The public count shows “60K+”. Our estimate pins where the real number sits.

tracked estimate
60K–70K ≈65K

Crossed into this band 10 months ago; a band this size takes about a year or more to cross, which places it about 50% of the way through.

Install history since 25 Feb 2021

60K31 Oct 2026

Recent reviews

All reviews on wp.org ↗
  1. ★★★★★ Jesko Bendmann
    11mo ago

    simple and one click access. great plugin.

    Read on wp.org ↗
  2. ★★★★★ danielepais
    11mo ago

    Great simple and effective plugin.

    Read on wp.org ↗
  3. ★★★★★ Skylabb
    12mo ago

    I want to like this plugin but there are a couple things needed improvement. Having the option to choose output method is great, but useless when it’s not working. The “Use a CSS file” option does not work. There’s no CSS file output and the CSS my code has no effect on the frontend. When I switch to the other two options, then my CSS is loaded in the frontend. Secondly, the Save button is way at the bottom of the page. I make a lot of CSS edits. Having to scroll down the screen every time to save a change is a hassle.

    Read on wp.org ↗
  4. ★★★★★ Hudson Atwell
    2.1y ago

    Says it has not been tested against recent versions, but it works great still. Simple and elegant solution. Sep 13 2024 This topic was modified 1 year, 10 months ago by Hudson Atwell.

    Read on wp.org ↗
  5. ★★★★★ Rafał
    2.2y ago

    …while custom CSS per post / page is needed

    Read on wp.org ↗
  6. ★★★★★ Andrea
    4.0y ago

    Meno male che ci hai pensato tu! Mi son sempre domandato perché non l’abbiano implementata di default una funzione così! Grazie

    Read on wp.org ↗
  7. ★★★★★ macpuppy
    4.7y ago

    I was trying to figure out a way to add unique CSS to a line of products to make the pages look different than the ‘regular’ line of products. This allows me to add a field in each product and then copy the product or copy and paste the code when needed. Wokrking in WP 5.9 with WooCommerce.

    Read on wp.org ↗
  8. ★★★★★ KVNHNF
    5.1y ago

    Awesome, please consider adding an option for product tags!

    Read on wp.org ↗

Latest updates

via wp.org changelog

Recent releases and news for this plugin

  1. — Version 1.2.1 Moved custom css file to uploads Set higher priority for wp_head callbacks 1.2.1
  2. — Version 1.2.0 Added output as pure CSS file or style tag to improve performance 1.2.0
  3. — Version 1.1.6 Updated code editor Added text wrapping to code editor Fixed compatibilty issues with WPBakery Frontend Editor 1.1.6
  4. — Version 1.1.5 Changed default code editor Advanced code editor is now resizable Fixed textarea direction for RTL languages 1.1.5
  5. — Version 1.1.4 Fixed compatibility issue with The Events Calendar 1.1.4
  6. — Version 1.1.3 Fixed WordPress 5 compatibility issues Fixed Gutenberg compatibility issues Updated uninstall method Minor improvements 1.1.3

Behavioral tests

via WP Hive

Automated install-time checks, tested on PHP 8.1.12 · WP 6.8.2

✓ 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 76 languages, 0 at 90% or more

Dutch 86%
Dutch (Belgium) 86%
Dutch (Formal) 86%
Galician 86%
Norwegian (Bokmål) 86%
Russian 86%
Spanish (Chile) 86%
Spanish (Spain) 86%
Spanish (Venezuela) 86%
Danish 83%
Japanese 80%
Swedish 80%
French (France) 72%
Italian 50%
German 19%
German (Formal) 16%
Portuguese (Brazil) 16%
English (Canada) 13%
Czech 11%
English (Australia) 11%
English (UK) 11%
Finnish 11%
Hebrew 11%
Hindi 11%

Plus 52 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

5 of 8 pass · checked 26 Oct 2026

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

  • ✓ Says what it does "Add custom css to the whole website and to specific posts and pages."
  • ✓ Has a FAQ 5 questions in the FAQ.
  • ✓ FAQ asks real questions 5 of 5 read like questions a user would type.
  • ! Names who it is for Never says who the plugin is for or what they use it for.
  • ✓ Names what it works with Mentions WooCommerce, Elementor, Gutenberg.
  • ! Headings and lists 0 headings and 0 lists; assistants quote headed sections and bullet lists, not paragraphs.
  • ! Enough to quote 906 characters of description; under 1,000 there is little to quote.
  • ✓ Tags match the text All 5 tags appear in the text.

Growth timeline

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

  1. 2025-12-29 70K+ → 60K+ down after 310 days in tier
  2. 2025-02-22 80K+ → 70K+ down after 3 days in tier
  3. 2025-02-19 70K+ → 80K+ up after 18 days in tier
  4. 2025-02-01 80K+ → 70K+ down after 1 days in tier
  5. 2025-01-31 70K+ → 80K+ up after 1 days in tier
  6. 2025-01-30 80K+ → 70K+ down after 166 days in tier
  7. 2024-08-17 90K+ → 80K+ down after 315 days in tier
  8. 2023-10-07 100K+ → 90K+ down after 2136 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

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Preview card ↗

WP Add Custom CSS: 60K+ active installs, 4.8★ (89 reviews). Plugin Pulse (WP Mayor), as of 2026-10-31. https://plugins.wpmayor.com/plugin/wp-add-custom-css

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