How Add Admin CSS Affects Your WordPress Speed

B-

Estimated Speed Score

+1 ms

TTFB Impact

+0 MB

Memory Impact

DB Queries

Low impact

Plugin Overview

Active Installs10K+

Rating4.9/5 (35)

Tested Up ToWP 6.9.1

Last UpdatedDec 8, 2025

Downloads139K+

AuthorScott Reilly

WP.orgView on WordPress.org

Share This Badge

Add this performance badge to your site or README:

<a href="https://makewpfast.com/plugins/add-admin-css/"><img src="https://makewpfast.com/wp-json/mwf-pseo/v1/badge/add-admin-css" alt="Add Admin CSS Speed Score - MakeWPFast" /></a>

Preview:

Performance Analysis

Performance Impact

Add Admin CSS receives an estimated speed score of B-. Our real benchmark tests measured the following impact when activating this plugin:

TTFB impact: +1 ms
Memory impact: +0.0 MB
Additional DB queries: +0

Overall activation impact: low. This plugin adds minimal overhead to your WordPress site.

Maintenance Status

Last updated: 2025-12-08. Trusted by 10K+ active installations.

Benchmark data measured in an isolated Docker environment (WordPress 6.8, PHP 8.3, GeneratePress). See our full methodology.

Alternatives to Add Admin CSS

Plugin	Speed Score	Active Installs
Classic Widgets	C	2M+
ElementsKit Elementor Addons and Templates	B	1M+
Custom Post Type UI	B-	1M+

Frequently Asked Questions

Does Add Admin CSS slow down WordPress?

Add Admin CSS has an estimated speed score of B-. It has a moderate impact. Monitor your site speed after installation.

Is Add Admin CSS still maintained?

Add Admin CSS was last updated on 2025-12-08. It has 10K+ active installations, indicating it is a functional plugin with a dedicated user base.

What are the best alternatives to Add Admin CSS?

Check our plugin reviews in the Admin category for alternatives. We compare plugins side-by-side on speed, features, and user ratings to help you find the best fit.