Report - Reduce Unused CSS Solution with Critical CSS For WP 1.0.16

Does "Reduce Unused CSS Solution with Critical CSS For WP" work with WordPress 6.6.2 and PHP 8.1.12? A smoke test was performed on 2024-09-13 12:05:04 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: 59.75 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	6.6.2
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=73b1349ee4
Aspect	after-activation
HTTP status	200
Load time	0.315 s
Memory usage	3.53 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	0.239 s
Memory usage	3.5 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	0.299 s
Memory usage	3.5 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	0.287 s
Memory usage	3.5 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.206 s
Memory usage	3.47 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.371 s	0.327 s	-0.044 s	3.47 MiB	3.52 MiB	+ 49.74 KiB
/wp-admin/edit.php	0.226 s	0.218 s	-0.008 s	3.54 MiB	3.61 MiB	+ 70.72 KiB
/wp-admin/post-new.php	0.852 s	0.649 s	-0.203 s	5.75 MiB	5.81 MiB	+ 54.05 KiB
/wp-admin/upload.php	0.683 s	0.537 s	-0.146 s	3.49 MiB	3.52 MiB	+ 32.38 KiB
/wp-admin/options-writing.php	0.214 s	0.211 s	-0.003 s	3.41 MiB	3.5 MiB	+ 93.7 KiB
/wp-admin/media-new.php	0.269 s	0.253 s	-0.016 s	3.4 MiB	3.5 MiB	+ 107.09 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.192 s	0.200 s	+0.008 s	3.47 MiB	3.52 MiB	+ 55.23 KiB
/wp-admin/post-new.php?post_type=page	0.632 s	0.603 s	-0.029 s	5.75 MiB	5.8 MiB	+ 49.63 KiB
/wp-admin/options-discussion.php	0.240 s	0.275 s	+0.035 s	3.41 MiB	3.5 MiB	+ 95.39 KiB
/wp-admin/edit-comments.php	0.236 s	0.233 s	-0.003 s	3.49 MiB	3.52 MiB	+ 32.37 KiB
/	0.344 s	0.441 s	+0.097 s	3.45 MiB	3.47 MiB	+ 16.99 KiB
Average	0.387 s	0.359 s	-0.028 s	3.88 MiB	3.93 MiB	+ 59.75 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	77.0%	2,094	262	5
	CSS	13.9%	379	8	1
	JavaScript	8.9%	241	3	1
	JSON	0.2%	5	0	1
Total			2,719	273	8

PHP Code Analysis | More results »

Lines of code	2,122
Total complexity	429
Median class complexity	250.0
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.