Report - Reduce Unused CSS Solution with Critical CSS For WP 1.0.13

Does "Reduce Unused CSS Solution with Critical CSS For WP" work with WordPress 6.5.2 and PHP 8.1.12? A smoke test was performed on 2024-04-12 16:48:44 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: 40.87 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	6.5.2
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=b9cb304f9b
Aspect	after-activation
HTTP status	200
Load time	0.300 s
Memory usage	3.42 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	0.211 s
Memory usage	3.38 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	0.281 s
Memory usage	3.38 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	0.249 s
Memory usage	3.38 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.178 s
Memory usage	3.43 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.388 s	0.295 s	-0.093 s	3.44 MiB	3.48 MiB	+ 45.13 KiB
/wp-admin/edit.php	0.222 s	0.194 s	-0.028 s	3.46 MiB	3.57 MiB	+ 106.84 KiB
/wp-admin/post-new.php	0.978 s	0.755 s	-0.223 s	5.59 MiB	5.64 MiB	+ 49.54 KiB
/wp-admin/upload.php	0.587 s	0.425 s	-0.162 s	3.38 MiB	3.41 MiB	+ 27.76 KiB
/wp-admin/options-writing.php	0.201 s	0.170 s	-0.031 s	3.37 MiB	3.39 MiB	+ 19.72 KiB
/wp-admin/media-new.php	0.292 s	0.194 s	-0.098 s	3.35 MiB	3.39 MiB	+ 39.95 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.186 s	0.179 s	-0.007 s	3.37 MiB	3.41 MiB	+ 45.12 KiB
/wp-admin/post-new.php?post_type=page	0.560 s	0.559 s	-0.001 s	5.59 MiB	5.63 MiB	+ 45.13 KiB
/wp-admin/options-discussion.php	0.367 s	0.449 s	+0.082 s	3.36 MiB	3.39 MiB	+ 28.25 KiB
/wp-admin/edit-comments.php	0.238 s	0.261 s	+0.023 s	3.39 MiB	3.42 MiB	+ 27.79 KiB
/	0.300 s	0.190 s	-0.110 s	3.42 MiB	3.43 MiB	+ 14.39 KiB
Average	0.393 s	0.334 s	-0.059 s	3.79 MiB	3.83 MiB	+ 40.87 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	76.0%	1,964	70	5
	CSS	14.4%	373	8	1
	JavaScript	9.3%	241	3	1
	JSON	0.2%	5	0	1
Total			2,583	81	8

PHP Code Analysis | More results »

Lines of code	1,992
Total complexity	383
Median class complexity	241.0
Median method complexity	6.0
Most complex class	Class_critical_css_for_wp
Most complex function	ccwp_delay_js_html()

Classes	1
Methods	34
Functions	28

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.