Report - Reduce Unused CSS Solution with Critical CSS For WP 1.0.6

Does "Reduce Unused CSS Solution with Critical CSS For WP" work with WordPress 6.1.1 and PHP 8.1.12? A smoke test was performed on 2023-02-10 14:37:12 UTC.

Summary

Errors

	No PHP errors, warnings or notices
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors
	Looks good! No problems were detected.

Performance

Memory usage: 37.7 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: insignificant.
The plugin didn't make the site noticeably slower.

Environment

WordPress version	6.1.1
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-05-14T06:46:00+00:00
Active installs	1,000+
WordPress.org page	https://wordpress.org/plugins/critical-css-for-wp/
Badges	Get badge code

Pages 5

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=critical-css-for-wp%2Fcritical-css-for-wp.php&plugin_status=all&paged=1&s&_wpnonce=d86bfb5711
Aspect	after-activation
HTTP status	200
Load time	0.406 s
Memory usage	3.03 MiB
JS errors	None
Resource errors	None

Critical CSS For WP

URL	/wp-admin/admin.php?page=critical-css-for-wp
Aspect	menu-item
HTTP status	200
Load time	0.203 s
Memory usage	3 MiB
JS errors	None
Resource errors	None

Critical CSS For WP → Advance

URL	/wp-admin/admin.php?page=critical-css-for-wp&tab=advance
Aspect	menu-item-tab
HTTP status	200
Load time	0.151 s
Memory usage	3 MiB
JS errors	None
Resource errors	None

Critical CSS For WP → Support

URL	/wp-admin/admin.php?page=critical-css-for-wp&tab=support
Aspect	menu-item-tab
HTTP status	200
Load time	0.140 s
Memory usage	3 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.236 s
Memory usage	3.02 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.286 s	0.249 s	-0.037 s	3.05 MiB	3.08 MiB	+ 36.52 KiB
/wp-admin/edit.php	0.191 s	0.183 s	-0.008 s	3.07 MiB	3.16 MiB	+ 84.74 KiB
/wp-admin/post-new.php	0.797 s	0.981 s	+0.184 s	4.97 MiB	5.01 MiB	+ 45.31 KiB
/wp-admin/upload.php	0.565 s	0.471 s	-0.094 s	2.99 MiB	3.01 MiB	+ 19.2 KiB
/wp-admin/options-writing.php	0.177 s	0.136 s	-0.041 s	2.99 MiB	2.99 MiB	+ 5.84 KiB
/wp-admin/media-new.php	0.284 s	0.225 s	-0.059 s	2.97 MiB	3 MiB	+ 31.38 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.196 s	0.190 s	-0.006 s	2.98 MiB	3.02 MiB	+ 36.55 KiB
/wp-admin/post-new.php?post_type=page	0.632 s	0.653 s	+0.021 s	4.96 MiB	5 MiB	+ 41.23 KiB
/wp-admin/options-discussion.php	0.211 s	0.203 s	-0.008 s	2.98 MiB	2.99 MiB	+ 19.69 KiB
/wp-admin/edit-comments.php	0.210 s	0.178 s	-0.032 s	3 MiB	3.02 MiB	+ 19.23 KiB
/	0.301 s	0.201 s	-0.100 s	2.94 MiB	3.02 MiB	+ 74.98 KiB
Average	0.350 s	0.334 s	-0.016 s	3.35 MiB	3.39 MiB	+ 37.7 KiB

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

PHP

CSS

JavaScript

Language		%	Lines of code	Comment lines	Files
	PHP	76.7%	1,840	74	5
	CSS	13.4%	322	8	1
	JavaScript	9.6%	231	3	1
	JSON	0.2%	5	0	1
Total			2,398	85	8

PHP Code Analysis | More results »

Lines of code	1,875
Total complexity	338
Median class complexity	209.0
Median method complexity	6.0
Most complex class	class_critical_css_for_wp
Most complex function	ccwp_delay_js_html()

Classes	1
Methods	32
Functions	27

Additions

Things that the plugin adds to the site. This section is not intended to be comprehensive. The test tool only looks for a few specific types of added content.

Database Tables 1

wp_critical_css_for_wp_urls

Options `wp_options` 1

save_ccfwp_posts_offset

PHP Error Log

The log file is empty.

Reduce Unused CSS Solution with Critical CSS For WP 1.0.6