Is CSS Url Argument free?

Yes, CSS Url Argument is free to use. It is available as a free plugin on WordPress.org.

How many websites use CSS Url Argument?

CSS Url Argument has 0 active installations as tracked by WordPress.org.

What are the best CSS Url Argument alternatives?

Popular alternatives to CSS Url Argument include WPCode – Insert Headers and Footers +…, Code Snippets, Simple Custom CSS Plugin. You can compare them side-by-side on our comparison pages.

Does CSS Url Argument work with the latest WordPress?

CSS Url Argument has been tested up to WordPress 4.9.29. It requires WordPress 4.0+ and PHP 5.2.4+.

PluginSift

CSS Url Argument

Name: CSS Url Argument
Author: cema

Adds custom css file to header if specific url argument is present with a parameter.

By cema·CSS·Free

·0 active installs·Updated 7 years ago

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As of April 2026, CSS Url Argument is a WordPress css plugin with 0 active installations and a 0/5 rating0. It has been downloaded 1.1K+ times in total. Requires WordPress 4.0+ and PHP 5.2.4+. Available on WordPress.org since 2018. Last updated 7 years ago — may have compatibility concerns. Top alternative: WPCode – Insert Headers and Footers +….

0/5Rating

0active installs

1.1K+total downloads

8 yearssince 2018

Overview

Adds custom css file to header if specific url argument is present with a parameter.

For example:
* you want to change the site title color without changing the theme or lossing the changes on update.
This plugin let’s you add custom css files and either use them on load or on input of a custom parameter after the theme argument.
By using the plugin css (located /wp-content/plugins/css_url_argument/scripts/css/ directory) or
use a custom css file (located /wp-content/plugins/css_url_argument/custom_css/{your css file} directory) with a parameter.

Use this plugin by adding ?theme={your css file name without .css} to load custom css on parse of a parameter to the site.