Report - Reduce Unused CSS Solution with Critical CSS For WP 1.0.19

Does "Reduce Unused CSS Solution with Critical CSS For WP" work with WordPress 6.8.1 and PHP 8.1.12? A smoke test was performed on 2025-05-14 07:00:28 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: 50.87 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	6.8.1
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=c32f7fb821
Aspect	after-activation
HTTP status	200
Load time	0.323 s
Memory usage	3.57 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	0.202 s
Memory usage	3.54 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	0.291 s
Memory usage	3.54 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	0.282 s
Memory usage	3.54 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.168 s
Memory usage	3.5 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.330 s	0.251 s	-0.079 s	3.51 MiB	3.56 MiB	+ 52.74 KiB
/wp-admin/edit.php	0.201 s	0.197 s	-0.004 s	3.57 MiB	3.64 MiB	+ 73.05 KiB
/wp-admin/post-new.php	0.756 s	0.710 s	-0.046 s	6.06 MiB	6.12 MiB	+ 57.11 KiB
/wp-admin/upload.php	0.612 s	0.517 s	-0.095 s	3.52 MiB	3.56 MiB	+ 35.38 KiB
/wp-admin/options-writing.php	0.229 s	0.196 s	-0.033 s	3.5 MiB	3.54 MiB	+ 39.37 KiB
/wp-admin/media-new.php	0.257 s	0.224 s	-0.033 s	3.49 MiB	3.54 MiB	+ 47.56 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.281 s	0.186 s	-0.095 s	3.5 MiB	3.56 MiB	+ 58.23 KiB
/wp-admin/post-new.php?post_type=page	0.604 s	0.603 s	-0.001 s	6.05 MiB	6.1 MiB	+ 52.63 KiB
/wp-admin/options-discussion.php	0.308 s	0.241 s	-0.067 s	3.5 MiB	3.54 MiB	+ 35.87 KiB
/wp-admin/edit-comments.php	0.424 s	0.409 s	-0.015 s	3.52 MiB	3.56 MiB	+ 35.37 KiB
/	0.303 s	0.187 s	-0.116 s	3.43 MiB	3.5 MiB	+ 72.22 KiB
Average	0.391 s	0.338 s	-0.053 s	3.97 MiB	4.02 MiB	+ 50.87 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	76.5%	2,176	267	5
	CSS	13.3%	379	8	1
	JavaScript	10.2%	289	4	1
Total			2,844	279	7

PHP Code Analysis | More results »

Lines of code	2,206
Total complexity	448
Median class complexity	262.0
Median method complexity	6.0
Most complex class	Critical_Css_For_Wp
Most complex function	ccwp_delay_js_html()

Classes	1
Methods	38
Functions	34

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

PHP Error Log

The log file is empty.