WP Add Custom CSS vs Attributes for Blocks (2026)

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

WP Add Custom CSS

WP Add Custom CSS

4.8(90)

60K+ active installs

Free

Updated 7 months ago
View WP Add Custom CSS
VS
Attributes for Blocks

Attributes for Blocks

5(21)

4.0K+ active installs

Free

Updated 4 months ago
View Attributes for Blocks

Quick Verdict

As of April 2026, Attributes for Blocks has a higher user rating (5/5 from 21 reviews) while WP Add Custom CSS leads in active installations (60K+ vs 4.0K+). Both are free WordPress plugins. WP Add Custom CSS has accumulated 991K+ total downloads while Attributes for Blocks has 40K+.

Detailed Comparison

Rating
4.8/5WP Add Custom CSS
Attributes for Blocks5/5
Total Reviews
90WP Add Custom CSS
Attributes for Blocks21
Active Installs
60K+WP Add Custom CSS
Attributes for Blocks4.0K+
Total Downloads
991K+WP Add Custom CSS
Attributes for Blocks40K+
Support Resolution
N/AWP Add Custom CSS
Attributes for BlocksN/A
Last Updated
7 months agoWP Add Custom CSS
Attributes for Blocks4 months ago
First Released
2014WP Add Custom CSS
Attributes for Blocks2021
Age
12 yearsWP Add Custom CSS
Attributes for Blocks5 years
WP Requires
4.0+WP Add Custom CSS
Attributes for Blocks6.2+
PHP Requires
false+WP Add Custom CSS
Attributes for Blocks7.4+
Business Model
FreeWP Add Custom CSS
Attributes for BlocksFree
Latest Version
1.2.1WP Add Custom CSS
Attributes for Blocks1.0.13

Rating Breakdown

WP Add Custom CSS

4.8/5(90 reviews)
5
91%
4
2%
3
2%
2
2%
1
2%

Attributes for Blocks

5/5(21 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

WP Add Custom CSS Reviews

by Jesko Bendmann

love it

simple and one click access. great plugin.

by danielepais

It does exactly what it says in the tin

Great simple and effective plugin.

by skylabb

Great plugin with a couple issues

I want to like this plugin but there are a couple things needed improvement. Having the option to choose output method is great, but useless when it’s not working. The “Use a CSS file” option does not

Attributes for Blocks Reviews

by Germán

A must-have plugin that brings true flexibility to the block editor

Thank you so much for creating this plugin! It adds a level of versatility to the block editor that WordPress really needed. Being able to easily add custom attributes — like data-*, aria-*, or other

by Anne-Mieke Bovelett

Thank you, this is gold for improving accessibility!

Thank you so much for creating this!

by Dunkan

Saved me tons of work

This is perfect, it saved me tons of work. I am used it for adding the view-transition-classes to query block elements.websevendev & jimedwards million thanks to you! This topic was modified 1

Frequently Asked Questions

Is WP Add Custom CSS or Attributes for Blocks more popular?
WP Add Custom CSS has 60K+ active installations while Attributes for Blocks has 4.0K+. WP Add Custom CSS is the more widely-used plugin as of April 2026.
Which has better ratings — WP Add Custom CSS or Attributes for Blocks?
WP Add Custom CSS has a 4.8/5 rating from 90 reviews, while Attributes for Blocks has a 5/5 rating from 21 reviews.
Are WP Add Custom CSS and Attributes for Blocks free?
WP Add Custom CSS is free and Attributes for Blocks is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WP Add Custom CSS or Attributes for Blocks?
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?
WP Add Custom CSS was last updated 7 months ago and Attributes for Blocks was last updated 4 months ago.

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