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Custom CSS and JavaScript

by WP Zone · Uncategorized

Also makes 21 other plugins · 39K+ installs across the portfolio →

Easily add custom CSS and JavaScript code to your WordPress site, with draft previewing, revisions, and minification!

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⚠ Likely abandoned⚠ Open vulnerability

Health

C 56/100

Stale · Likely abandoned · Open vulnerability

Active installs

10K+

≈15K estimated

Momentum

+10%

downloads vs prior 30d

Biggest opportunity: “custom css”, “custom javascript” and “javascript” aren't earning a slot. You list them, but you're not in the first 24 results for those searches. WordPress.org counts only your first five tags, so free the slot for a search you can win.

How scoring works →
56 Health · C
Maintenance 21/100
Rating quality 89/100
Support 70/100
Security 50/100

56 health vs 58 average across 25,756 Uncategorized plugins

Install conversion

How it's measured →

5.5%

of downloads still active

At least 10K of 180.7K lifetime downloads are still running, above its category: the median Uncategorized plugin keeps 0.6%, across 17,774 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.

Removal-risk signals

28/100

Maintenance and integrity signals that tend to precede a WordPress.org removal. Not an official status, a heads-up to act.

  • Not actively maintained. No update in about 2 years.

Details

Version
2.0.16
Last updated
2.2y ago
Added
2015-12-18 · 10 yrs old
Requires WP
3.5
Tested up to
6.6.11
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.

63 / 100

Room to improve

Most to gain: Update recency

Update recency 30/100

Updated 812 days ago, past the ~180 days where wp.org starts discounting

WP compatibility 88/100

Tested up to WordPress 6.6.11; the current branch is 6.8

Rating quality 89/100

4.7★ over 60 reviews, smoothed to 4.43★

Listing tuning 100/100

5 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: Last updated 812 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 · 1,489 days · wp.org + Plugin Pulse archive

+10% vs prior 30d
231 Nov 2026

30-day downloads

Rolling 30-day volume · peak 10.1K · peaks are release surges

9191 Nov 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

Custom CSS and JavaS · #1973youWP Add Custom CSS · #673Simple Custom CSS Pl · #359WP-LESS · #1908

Rating trend

Star average over time · dips mark rough releases

4.71 Nov 2026

Health trend

Composite health score, snapshotted daily

561 Nov 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.

921 Nov 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

2.2y ago

latest release · v2.0.16 · 12 Aug 2024

23

tagged releases on record

Recent releases

2.0.16 · 12 Aug 20242.0.15 · 23 Aug 20232.0.14 · 21 Aug 20232.0.13 · 21 Aug 20232.0.11 · 16 Dec 20222.0.12 · 26 Feb 20212.0.10 · 11 Mar 20202.0.9 · 10 Apr 20182.0.8 · 15 Dec 20162.0.7 · 24 Nov 20162.0.6 · 16 Jul 20162.0.5 · 8 Jul 20162.0.4 · 24 Feb 20162.0.3 · 21 Jan 2016

What its installed base runs

via wordpress.org

Share of active installs on each version of this plugin · 100% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

v2.0 100%

Estimated active installs

The public count shows “10K+”. Our estimate pins where the real number sits.

tracked estimate
10K–20K ≈15K

Crossed into this band 6 years ago; the previous band took 23 months to cross, which places it about 50% of the way through.

Install history since 23 Aug 2016

10K1 Nov 2026

Recent reviews

All reviews on wp.org ↗
  1. ★★★★★ dshelton
    2.1y ago

    I have been using this plugin for a month and it has really helped when you just need to try a small css snippet or two. I can quickly check out the code and get the site running without any trouble. I have not tried the JS side as yet as I have not needed it.

    Read on wp.org ↗
  2. ★★★★★ jamunahernandez14
    2.1y ago

    Makes work easier. This topic was modified 1 year, 10 months ago by jamunahernandez14.

    Read on wp.org ↗
  3. ★★★★★ sloanthrasher
    2.6y ago

    Works great, just what I needed to set up of special fields.

    Read on wp.org ↗
  4. ★★★★★ zamaan
    2.6y ago

    There is no instruction weather we need to ad the script tag or not.

    Read on wp.org ↗
  5. ★★★★★ serguei9090
    2.8y ago

    Thanks you for your help!!

    Read on wp.org ↗
  6. ★★★★★ feourives
    3.3y ago

    Great alternative!

    Read on wp.org ↗
  7. ★★★★★ wow1
    3.5y ago

    CSS is Good but JS doesn’t work

    Read on wp.org ↗
  8. ★★★★★ DougMelvin
    4.1y ago

    Not compatible with latest PHP for over a year. Not supported by the author. Don’t use this. This topic was modified 3 years, 9 months ago by DougMelvin.

    Read on wp.org ↗

Latest updates

via wp.org changelog

Recent releases and news for this plugin

  1. — Version 2.0.16 Revert changes related to the admin page slug change 2.0.16
  2. — Version 2.0.15 Introduce wpz_custom_css_js capability 2.0.15
  3. — Version 2.0.14 Fix: error on save “security token expired” Compatibility with PHP 8 Load minified files on admin page Change admin page title from h2 to h3 Add addons tab Admin page rebrand 2.0.14
  4. — Version 2.0.13 Add notice about new plugin, AI Image Lab 2.0.13
  5. — Version 2.0.12 Updated links, author, changed branding to AGS, Updated tested up to, Removed donation links, Added aspengrovestudios as contributor 2.0.12
  6. — Version 2.0.11 Fix: Issue with previous update if the admin JavaScript file was already in the browser cache 2.0.11

Security history

via Wordfence Intelligence

1 open vulnerability affects the current version (2.0.16). 0 of 1 disclosed are patched.

  1. 2026-08-06 CVE-2026-66683 Exposure of Sensitive Information to an Unauthorized Actor Affects <= 2.0.16 No patch available

Vulnerability records provided by Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. License and terms.

CVE records: Copyright 1999-2026 The MITRE Corporation. CVE terms of use.

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 27 Oct 2026

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

  • ✓ Says what it does "Easily add custom CSS and JavaScript code to your WordPress site, with draft previewing, revisions, and min..."
  • ! Has a FAQ No FAQ section.
  • ! FAQ asks real questions No FAQ to judge.
  • ! Names who it is for One audience phrase ("if you have"); say who the plugin is for and what they use it for.
  • ✓ Names what it works with Mentions WooCommerce, Divi, bbPress, LifterLMS.
  • ✓ Headings and lists 2 headings and 3 lists.
  • ✓ Enough to quote 5,298 characters of description.
  • ✓ Tags match the text 3 of 5 tags appear in the text; "custom javascript", "stylesheet" do not.

Growth timeline

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

  1. 2020-10-25 20K+ → 10K+ down after 688 days in tier
  2. 2018-12-07 10K+ → 20K+ up after 600 days in tier
  3. 2017-04-16 1K+ → 10K+ up

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 Custom CSS and JavaScript into a readme, a review or a deck. It updates itself.

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Preview card ↗

Custom CSS and JavaScript: 10K+ active installs, 4.7★ (60 reviews). Plugin Pulse (WP Mayor), as of 2026-11-02. https://plugins.wpmayor.com/plugin/custom-css-and-javascript

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