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Modular Custom CSS

v2.2

by Nick Halsey · updated 3 months ago

WordPress core provides custom CSS functionality in the customizer that's specific to the current theme; you can switch themes freely with each t …

csscustom cssCustom Designcustomizer
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#9,500
Down1 vs yesterday
Active installs (est.)
≈ 446
400+ reported · High
Total downloads
19.2K
19,230 all-time
Rating
5.0/5
6 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +20% (30d)·Toward 500+ · ETA ~19d

Modular Custom CSS at a glance

Modular Custom CSS is a WordPress plugin by Nick Halsey with 400+ active installs, the #9,500 most popular plugin on WordPress.org. On a typical day it’s downloaded about 7 times, 20% more than the month before. It’s rated 5.0 out of 5 from 6 reviews. Version 2.2 came out on Jul 19, 2026 and is tested up to WordPress 7.0.8. It leads the 4 plugins tagged “Custom Design”. It was first released in 2014.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

179 downloads · the last 30 days

Downloads over time
Modular Custom CSS Compare series
Downloads over time: 30 days across 1 series.510Oct 9Oct 14Oct 19Oct 24Oct 28Nov 2Nov 7Oct 29, 2026: Tested up to 7.0.8
View as table
DateModular Custom CSS
Nov 7, 20267
Nov 6, 20268
Nov 5, 20267
Nov 4, 20265
Nov 3, 20265
Nov 2, 20268
Nov 1, 20268
Oct 31, 20266
Oct 30, 20262
Oct 29, 20267
Oct 28, 20267
Oct 27, 20264
Oct 26, 20266
Oct 25, 20267
Oct 24, 20267
Oct 23, 20263
Oct 22, 202611
Oct 21, 20263
Oct 20, 20262
Oct 19, 202613
Oct 18, 20265
Oct 17, 20265
Oct 16, 20264
Oct 15, 20267
Oct 14, 20267
Oct 13, 20266
Oct 12, 20263
Oct 11, 20263
Oct 10, 20269
Oct 9, 20264

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 446 · +0.2% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.443444445446Oct 27Oct 29Oct 31Nov 2Nov 4Nov 8Oct 29, 2026: Tested up to 7.0.8
View as table
DateEstimated installs
Nov 8, 2026446
Nov 7, 2026446
Nov 5, 2026445
Nov 4, 2026445
Nov 3, 2026444
Nov 2, 2026443
Nov 1, 2026444
Oct 31, 2026443
Oct 30, 2026444
Oct 29, 2026444
Oct 28, 2026443
Oct 27, 2026445

Rank over time

#9,500 · up 45 in the last 30 days

Popular rank
Popular rank: 12 days across 1 series.#9.5K#9.5K#9.5KOct 27Oct 29Oct 31Nov 2Nov 4Nov 6Nov 8Oct 29, 2026: Tested up to 7.0.8
View as table
DateDaily snapshot
Nov 8, 2026#9,500
Nov 7, 2026#9,499
Nov 6, 2026#9,489
Nov 4, 2026#9,502
Nov 3, 2026#9,519
Nov 2, 2026#9,528
Nov 1, 2026#9,515
Oct 31, 2026#9,530
Oct 30, 2026#9,525
Oct 29, 2026#9,535
Oct 28, 2026#9,551
Oct 27, 2026#9,545

Growth %

Average +0.02% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-0.5%0%0.5%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 20260.00%
Nov 7, 2026+0.11%
Nov 5, 20260.00%
Nov 4, 2026+0.23%
Nov 3, 2026+0.23%
Nov 2, 2026-0.23%
Nov 1, 2026+0.23%
Oct 31, 2026-0.23%
Oct 30, 20260.00%
Oct 29, 2026+0.23%
Oct 28, 2026-0.45%

Active installs band

400+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 13 days across 1 series.380400420Oct 27Oct 29Oct 31Nov 2Nov 4Nov 6Nov 8Oct 29, 2026: Tested up to 7.0.8
View as table
DateDaily snapshot
Nov 8, 2026400+
Nov 7, 2026400+
Nov 6, 2026400+
Nov 5, 2026400+
Nov 4, 2026400+
Nov 3, 2026400+
Nov 2, 2026400+
Nov 1, 2026400+
Oct 31, 2026400+
Oct 30, 2026400+
Oct 29, 2026400+
Oct 28, 2026400+
Oct 27, 2026400+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

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Change log

From our daily snapshot of WordPress.org
  1. Downloads +27.3%
    • Tested up to 7.0.7 → 7.0.8

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v2.247%
  • v2.143%
  • v1.05.3%
  • v2.03.8%

Rating trend

5.0★★★★★6 reviews · steady in the last 30 days

Requirements & info

Version history
Version
2.2
Requires WordPress
4.9
Tested up to
7.0.8
Requires PHP
–
First released
Aug 7, 2014
Last updated
Jul 19, 2026
Releases, last 12 months
…

Questions about Modular Custom CSS

How many websites use Modular Custom CSS?

Modular Custom CSS is active on 400+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #9,500 most popular plugin on WordPress.org.

How many times has Modular Custom CSS been downloaded?

19,230 times in total since 2014. On a typical day it’s downloaded about 7 times. See download stats

When was Modular Custom CSS last updated?

Version 2.2 came out on Jul 19, 2026 (3 months ago).

Is Modular Custom CSS compatible with the latest WordPress?

It’s tested up to WordPress 7.0.8, one version behind the current 7.1. Authors often update this line a few weeks after a release.

Is Modular Custom CSS still maintained?

Yes. Its last release was 3 months ago. No support threads were opened in the last two months.

What rating does Modular Custom CSS have?

5.0 out of 5 from 6 reviews on WordPress.org. 100% of them give 5 stars.

What are the best alternatives to Modular Custom CSS?

The plugins most like Modular Custom CSS, by the tags they share, are TJ Custom CSS (8K+), Simple Custom CSS Plugin (100K+) and Simple CSS (80K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

5.0

★★★★★

6 reviews

  • 5 stars: 6 reviews, 100%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 0 reviews, 0%
  • 2 stars: 0 reviews, 0%
  • 1 stars: 0 reviews, 0%
Positive
100%4–5★
Mixed
0%3★
Critical
0%1–2★

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Modular Custom CSS
Suggested:
Metric
Modular Custom CSS
Estimated installs≈ 446
Reported installs400+
Rating5.0
Reviews6
Total downloads19.2K
AuthorNick Halsey
First releasedAug 7, 2014
Version2.2
Requires WP4.9
Requires PHP–
Last updatedJul 19, 2026

Alternatives to Modular Custom CSS

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Modular Custom CSS vs TJ Custom CSSModular Custom CSS vs Simple Custom CSS PluginModular Custom CSS vs Simple CSS

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