Simple CSS vs Custom CSS and JavaScript (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

Simple CSS

Simple CSS

4.9(60)

80K+ active installs

Free

Updated 6 months ago
View Simple CSS
VS
Custom CSS and JavaScript

Custom CSS and JavaScript

4.7(60)

10K+ active installs

Free

Updated 1 year ago
View Custom CSS and JavaScript

Quick Verdict

As of April 2026, Simple CSS has a higher user rating (4.9/5 from 60 reviews) and leads in active installations (80K+ vs 10K+). Both are free WordPress plugins. Simple CSS has accumulated 552K+ total downloads while Custom CSS and JavaScript has 176K+.

Detailed Comparison

Rating
4.9/5Simple CSS
Custom CSS and JavaScript4.7/5
Total Reviews
60Simple CSS
Custom CSS and JavaScript60
Active Installs
80K+Simple CSS
Custom CSS and JavaScript10K+
Total Downloads
552K+Simple CSS
Custom CSS and JavaScript176K+
Support Resolution
N/ASimple CSS
Custom CSS and JavaScriptN/A
Last Updated
6 months agoSimple CSS
Custom CSS and JavaScript1 year ago
First Released
2015Simple CSS
Custom CSS and JavaScript2015
Age
11 yearsSimple CSS
Custom CSS and JavaScript11 years
WP Requires
4.0+Simple CSS
Custom CSS and JavaScript3.5+
PHP Requires
false+Simple CSS
Custom CSS and JavaScriptfalse+
Business Model
FreeSimple CSS
Custom CSS and JavaScriptFree
Latest Version
1.1.1Simple CSS
Custom CSS and JavaScript2.0.16

Rating Breakdown

Simple CSS

4.9/5(60 reviews)
5
93%
4
7%
3
0%
2
0%
1
0%

Custom CSS and JavaScript

4.7/5(60 reviews)
5
90%
4
2%
3
0%
2
2%
1
7%

Recent Reviews

Simple CSS Reviews

by bmiller22000

This is a really awesome plugin, and will remain awesome updates or not

Easy to use and gives you the access to behind the scenes places you need (like css on this page, for this table, fast and effectively, without digging through mountains of native wp and plugin styles

by Paul Bradley

I want to love it more

This seems like a great idea, and it’s super to finally be clear of the small Additional CSS panel in native wordpress. What’s making me unsure if I should continue are 2 things: 1 – when you pr

by ws24

Excellent plugin

By far the best plugin to add custom css, I have been using it for years now and in many websites. This topic was modified 2 years, 6 months ago by ws24.

Custom CSS and JavaScript Reviews

by dshelton

Makes adding css snippets a breeze

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.

by jamunahernandez14

Makes work easier.

Makes work easier. This topic was modified 1 year, 6 months ago by jamunahernandez14.

by sloanthrasher

Works geat, easy to use.

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

Frequently Asked Questions

Is Simple CSS or Custom CSS and JavaScript more popular?
Simple CSS has 80K+ active installations while Custom CSS and JavaScript has 10K+. Simple CSS is the more widely-used plugin as of April 2026.
Which has better ratings — Simple CSS or Custom CSS and JavaScript?
Simple CSS has a 4.9/5 rating from 60 reviews, while Custom CSS and JavaScript has a 4.7/5 rating from 60 reviews.
Are Simple CSS and Custom CSS and JavaScript free?
Simple CSS is free and Custom CSS and JavaScript is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — Simple CSS or Custom CSS and JavaScript?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
Simple CSS was last updated 6 months ago and Custom CSS and JavaScript was last updated 1 year ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.