Report - Reduce Unused CSS Solution with Critical CSS For WP 1.0.8

Does "Reduce Unused CSS Solution with Critical CSS For WP" work with WordPress 6.3 and PHP 8.1.12? A smoke test was performed on 2023-08-13 10:38:59 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: 37.02 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	6.3
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=bf809deb1b
Aspect	after-activation
HTTP status	200
Load time	0.338 s
Memory usage	2.8 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	0.221 s
Memory usage	2.76 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	0.295 s
Memory usage	2.76 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	0.274 s
Memory usage	2.76 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.180 s
Memory usage	3.12 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.349 s	0.323 s	-0.026 s	2.82 MiB	2.86 MiB	+ 36.02 KiB
/wp-admin/edit.php	0.200 s	0.224 s	+0.024 s	2.85 MiB	2.94 MiB	+ 97.27 KiB
/wp-admin/post-new.php	0.749 s	0.872 s	+0.123 s	5.21 MiB	5.25 MiB	+ 40.81 KiB
/wp-admin/upload.php	0.699 s	0.330 s	-0.369 s	2.77 MiB	2.79 MiB	+ 18.7 KiB
/wp-admin/options-writing.php	0.303 s	0.167 s	-0.136 s	2.76 MiB	2.77 MiB	+ 10.66 KiB
/wp-admin/media-new.php	0.296 s	0.219 s	-0.077 s	2.74 MiB	2.77 MiB	+ 30.88 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.198 s	0.174 s	-0.024 s	2.76 MiB	2.79 MiB	+ 36.05 KiB
/wp-admin/post-new.php?post_type=page	0.580 s	0.613 s	+0.033 s	5.21 MiB	5.25 MiB	+ 40.73 KiB
/wp-admin/options-discussion.php	0.234 s	0.224 s	-0.010 s	2.75 MiB	2.77 MiB	+ 19.19 KiB
/wp-admin/edit-comments.php	0.448 s	0.211 s	-0.237 s	2.78 MiB	2.8 MiB	+ 18.73 KiB
/	0.317 s	0.173 s	-0.144 s	3.13 MiB	3.18 MiB	+ 58.18 KiB
Average	0.398 s	0.321 s	-0.077 s	3.25 MiB	3.29 MiB	+ 37.02 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	75.9%	1,760	71	5
	CSS	13.9%	322	8	1
	JavaScript	10.0%	231	3	1
	JSON	0.2%	5	0	1
Total			2,318	82	8

PHP Code Analysis | More results »

Lines of code	1,784
Total complexity	355
Median class complexity	221.0
Median method complexity	5.5
Most complex class	class_critical_css_for_wp
Most complex function	ccwp_delay_js_html()

Classes	1
Methods	34
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 1.0.8