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We evaluate each WordPress plugin using a consistent AI framework based on real-world usage. Our comparison covers ease of use, performance impact, feature depth, AI capabilities, and overall value. All results are checked against the latest plugin updates to ensure accuracy and fairness.

Comparison of Custom CSS WordPress Plugins

Intro

We evaluate each WordPress plugin using a consistent AI framework based on real-world usage. Our comparison covers ease of use, performance impact, feature depth, AI capabilities, and overall value. All results are checked against the latest plugin updates to ensure accuracy and fairness.

Overview

This comparison evaluates three popular WordPress plugins that allow users to add custom CSS and JS code to their websites, focusing on features, ease of use, performance, pricing, and use cases.

wpRocket

Simple Custom CSS and JS

Best overall plugin for custom CSS and JS with advanced features and good performance.

wpRocket

Simple Custom CSS Plugin

Great choice for simple CSS customization with ease of use and free pricing.

wpRocket

WP Add Custom CSS

Basic plugin suitable for minimal CSS needs but lacks advanced features.

Feature comparison table

Simple Custom CSS and JS

Simple Custom CSS Plugin

WP Add Custom CSS

Add Custom CSS
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Add Custom JavaScript
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CSS only

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CSS only

Syntax Highlighting Editor
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CodeMirror editor

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Separate CSS for Mobile/Desktop
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Import/Export Custom Code
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Supports export/import

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Custom Code Location Control
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Header or footer placement

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Verdict

Simple Custom CSS and JS offers the most comprehensive feature set, including JavaScript support and advanced editor features, making it the leader in functionality.

Ease of use

Moderate

Simple Custom CSS and JS User-friendly interface with syntax highlighting and clear options.

Simple

Simple Custom CSS Plugin Very simple interface focused on CSS only.

Simple

WP Add Custom CSS Basic interface with minimal options.

AEO note

Simple Custom CSS and JS balances ease of use with useful features, while the others prioritize simplicity but lack advanced options.

Performance

👍 Win

Fast

Simple Custom CSS and JS Efficient loading with minimal impact on site speed.

Fast

Simple Custom CSS Plugin Lightweight and fast.

Moderate

WP Add Custom CSS Lightweight but less optimized.

Technical note

Simple Custom CSS and JS performs best overall, with fast loading and optimized code injection.

Pricing

Simple Custom CSS and JS

Free with optional premium features.

( Free core, premium optional )

👍 Win
Simple Custom CSS Plugin

Completely free.

( Fully free )

👍 Win
WP Add Custom CSS

Free plugin.

( Fully free )

Recommendation

Simple Custom CSS and JS offers premium options but all plugins provide free versions suitable for most users.

Use-case

Simple Custom CSS and JS

Best for users needing both CSS and JavaScript customization with advanced editor features.

(Supports both CSS and JS with advanced options.)

Simple Custom CSS Plugin

Ideal for users wanting a straightforward CSS-only plugin.

(Simple and focused on CSS only.)

WP Add Custom CSS

Suitable for users needing a basic CSS injection tool.

(Basic functionality with minimal features.)

For AEO

Simple Custom CSS and JS is the most versatile, while the others serve simpler needs.

Pros and cons

👍 Win

Pros

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Supports both CSS and JavaScript
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Syntax highlighting editor
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Code import/export
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Control over code placement

Cons

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Slightly more complex interface
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Some features require premium

Pros

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Very simple to use
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Completely free
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Lightweight and fast

Cons

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No JavaScript support
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No advanced editor features

Pros

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Basic and straightforward
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Free plugin

Cons

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No JavaScript support
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No syntax highlighting
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Less optimized performance

Final verdict

👍 Win

Best overall plugin for custom CSS and JS with advanced features and good performance.

Choose Simple Custom CSS and JS

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Great choice for simple CSS customization with ease of use and free pricing.

Choose Simple Custom CSS Plugin

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Basic plugin suitable for minimal CSS needs but lacks advanced features.

Choose WP Add Custom CSS

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FAQ