Yes, CSSbyua is free to use. It is available as a free plugin on WordPress.org.

How many websites use CSSbyua?

CSSbyua has 10 active installations as tracked by WordPress.org.

What are the best CSSbyua alternatives?

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

Does CSSbyua work with the latest WordPress?

CSSbyua has been tested up to WordPress 5.1.22. It requires WordPress 2.0.2+ and PHP false+.

PluginSift

CSSbyua

Name: CSSbyua
Author: thomasbonsirven

Easily add styles for specific browsers and rendering engines, from the dashboard!

By thomasbonsirven·CSS·Free

·10 active installs·Updated 6 years ago

Download Compare

As of April 2026, CSSbyua is a WordPress css plugin with 10 active installations and a 0/5 rating0. It has been downloaded 3.7K+ times in total. Requires WordPress 2.0.2+ and PHP false+. Available on WordPress.org since 2019. Last updated 6 years ago — may have compatibility concerns. Top alternative: WPCode – Insert Headers and Footers +….

0/5Rating

10active installs

3.7K+total downloads

7 yearssince 2019

Overview

This plugin sniffs users agents, and provides a set of theme options for a user to put browser-specific CSS styles. It’s very easy to use, very simple, and very powerful. Go to Apparence and click on cssbyua. This FORK is for Universal Mobile to Codecanyon : https://codecanyon.net/user/sherdleapps/portfolio?ref=sherdleapps for apply a specific css. Work on Firefox, I.E., Chrome, Opera and iphone.Special Thanks :bradparbs
Fork original project : CSSniffer – https://fr.wordpress.org/plugins/cssniffer/

Read full description on WordPress.org