Census › Plugin profiles › Simple Custom CSS Plugin

Simple Custom CSS Plugin

Figures from the Plugin Directory Census · as of 28 Aug 2026

100,000

Active installs, lower bound

Group: 100,000 to 999,999 installs

535

Days since the last release

Group median: 12

4.7

out of 5, from 159 ratings

Group median: 4.7 (10+ ratings)

no threads

Support threads, two months

Group: 68.2%

Full profile on wordpress.org Show on the map Compare with your own plugins

What is Simple Custom CSS Plugin and who is behind it?

Simple Custom CSS Plugin is a WordPress plugin in the “Admin and backup” field, made by John Regan. It has been listed in the directory since 6 Aug 2013, so for 13 years. It is the only plugin by John Regan with at least 10,000 installs. With 100,000 to 199,999 active installs it belongs to the 100,000 to 999,999 installs group; its last release came 535 days before the reference date, and it is tested up to WordPress 6.7.

This is how the author describes the plugin on wordpress.org:

“Add Custom CSS to your WordPress site without any hassles.”

Self-description on wordpress.org, retrieved on 10 Sept 2026

When was Simple Custom CSS Plugin last released?

The last release of Simple Custom CSS Plugin came 535 days before the reference date; the group median is 12 days. That makes Simple Custom CSS Plugin silent in the census, meaning no release for more than 365 days, as are 5.3% of the group.

Each dot is a plugin in the 100,000 to 999,999 installs group, placed horizontally by days since its last release, on a logarithmic scale. The dashed line marks 365 days.

How many installs does Simple Custom CSS Plugin have?

Simple Custom CSS Plugin had 100,000 to 199,999 active installs on the reference date. Within its group, 219 plugins had a higher band and 179 plugins the same band.

The API reports installs only as a lower bound with one significant figure: 100,000 means at least 100,000 and at most 199,999.

Which WordPress version is Simple Custom CSS Plugin tested with?

On the reference date the plugin page on wordpress.org showed the notice “This plugin hasn’t been tested with the latest 3 major releases of WordPress”, because the “tested up to” field was below 6.9 (6.7). The notice describes only that field; it does not say whether the plugin runs on newer versions. 8.0% of the group carried it.

How does Simple Custom CSS Plugin compare with its group?

The group holds 399 listed plugins. 96.7% of them had a more recent last release than Simple Custom CSS Plugin; 5.3% had no release for more than 365 days.

Figure	Simple Custom CSS Plugin	Group, 399 plugins
Days since the last release	535	median 12
Rating	4.7 (159)	median 4.7 (10+ ratings)
Support threads marked resolved	not stated	68.2%
Tested up to	6.7	47.6% on 7.1
Requires PHP	not stated	most often 7.4 (41.6%)

All values on the reference date

Slug	`simple-custom-css`
Author	John Regan
Active installs	100,000 to 199,999
Last release	535 days before the reference date
Tested up to	WordPress 6.7 · core on the reference date: 7.1
Requires WordPress	3.0
Requires PHP	not stated
Rating	4.7 out of 5 from 159 ratings
Support threads, two months	none in the window
Listed since	6 Aug 2013
Total downloads	3,111,903, updates included
Tags	code, css, custom, custom-css, styles

Tag	Plugins with 10,000+ installs and this tag	Rank by installs	Median days since release
code	13	3	13
css	17	3	262
custom	10	2	147
custom-css	8	3	195
styles	5	1	477

Class of 2013

Simple Custom CSS Plugin has been listed since 6 Aug 2013. Of the 131 plugins with 10,000+ installs added in 2013, 82.4% released within the 365 days before the reference date.

Same group, shared tags

Not a recommendation; the same figures for comparison. Alphabetical.

Plugin	Active installs	Last release	Rating
Head & Footer Code	100,000 to 199,999	12 days before the reference date	5.0 (51)
Insert Headers And Footers	300,000 to 399,999	42 days before the reference date	5.0 (134)
Shortcoder — Create Shortcodes for Anything	100,000 to 199,999	27 days before the reference date	4.9 (226)
Simple Custom CSS and JS	600,000 to 699,999	8 days before the reference date	4.4 (103)
White Label CMS	200,000 to 299,999	50 days before the reference date	4.7 (113)

Do you maintain Simple Custom CSS Plugin?

If you maintain Simple Custom CSS Plugin, you can link to this profile, for example from your readme or your website. Both snippets show this badge:

HTML

<a href="https://hafenstudios.com/en/census/plugins/simple-custom-css/"><img src="https://hafenstudios.com/census/plugins/badge-en.svg" alt="Simple Custom CSS Plugin in the Plugin Directory Census 01/2026" width="220" height="40"></a>

Markdown

[![Simple Custom CSS Plugin in the Plugin Directory Census 01/2026](https://hafenstudios.com/census/plugins/badge-en.svg)](https://hafenstudios.com/en/census/plugins/simple-custom-css/)

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A value is wrong? Write to moin@hafenstudios.com; a documented correction leads to a new version.

How to cite

hafenstudios (2026): Simple Custom CSS Plugin, profile in the Plugin Directory Census 01/2026, reference date 28 Aug 2026. https://hafenstudios.com/en/census/plugins/simple-custom-css/

Source and status

All values come from the full pull of the public wordpress.org API on 28 Aug 2026 (reference time 21:56:30 UTC). The analysis and text on this page are available under CC BY 4.0; the raw values come from the public wordpress.org API and are in the raw data. How the count was made is set out in the method, what the fields do not say under limits. hafenstudios builds WordPress plugins itself, see the conflict of interest. Corrections to moin@hafenstudios.com; a documented correction leads to a new version. From issue 02 this page will also show the change since the previous reference date. Collected and prepared by Horst Wenzel.

Plugin names and trademarks belong to their owners. hafenstudios is not affiliated with the authors named here.