Report - Reduce Unused CSS Solution with Critical CSS For WP 1.0.17

Does "Reduce Unused CSS Solution with Critical CSS For WP" work with WordPress 6.7.1 and PHP 8.1.12? A smoke test was performed on 2024-11-24 08:53:16 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: 41.49 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	6.7.1
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=7db88b3337
Aspect	after-activation
HTTP status	200
Load time	0.241 s
Memory usage	3.54 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	0.177 s
Memory usage	3.51 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	0.226 s
Memory usage	3.51 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	0.222 s
Memory usage	3.51 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.147 s
Memory usage	3.48 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.283 s	0.258 s	-0.025 s	3.48 MiB	3.53 MiB	+ 49.87 KiB
/wp-admin/edit.php	0.181 s	0.156 s	-0.025 s	3.54 MiB	3.61 MiB	+ 72.69 KiB
/wp-admin/post-new.php	0.705 s	0.569 s	-0.136 s	5.92 MiB	5.98 MiB	+ 54.23 KiB
/wp-admin/upload.php	0.498 s	0.466 s	-0.032 s	3.5 MiB	3.53 MiB	+ 32.5 KiB
/wp-admin/options-writing.php	0.193 s	0.169 s	-0.024 s	3.47 MiB	3.51 MiB	+ 35.67 KiB
/wp-admin/media-new.php	0.251 s	0.207 s	-0.044 s	3.46 MiB	3.51 MiB	+ 43.87 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.181 s	0.169 s	-0.012 s	3.48 MiB	3.53 MiB	+ 55.36 KiB
/wp-admin/post-new.php?post_type=page	0.512 s	0.524 s	+0.012 s	5.92 MiB	5.97 MiB	+ 49.76 KiB
/wp-admin/options-discussion.php	0.263 s	0.230 s	-0.033 s	3.47 MiB	3.51 MiB	+ 32.17 KiB
/wp-admin/edit-comments.php	0.356 s	0.214 s	-0.142 s	3.49 MiB	3.53 MiB	+ 32.49 KiB
/	0.282 s	0.344 s	+0.062 s	3.48 MiB	3.48 MiB	- 2.17 KiB
Average	0.337 s	0.301 s	-0.036 s	3.93 MiB	3.97 MiB	+ 41.49 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	77.2%	2,097	262	5
	CSS	13.9%	379	8	1
	JavaScript	8.9%	241	3	1
Total			2,717	273	7

PHP Code Analysis | More results »

Lines of code	2,125
Total complexity	431
Median class complexity	252.0
Median method complexity	6.0
Most complex class	Critical_Css_For_Wp
Most complex function	ccwp_delay_js_html()

Classes	1
Methods	36
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.