Best Custom CSS 1.0

Does Best Custom CSS work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
1PHP warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 245.82 bytes
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 version6.8.3
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 200+
WordPress.org page https://wordpress.org/plugins/best-custom-css/
Badges

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Pages 3

Plugins ‹ Test site — WordPress

Page screenshot: Plugins ‹ Test site — WordPress
URL /wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL /wp-admin/plugins.php?action=activate&plugin=best-custom-css%2Fcustomcss.php&plugin_status=all&paged=1&s&_wpnonce=e6ce2108bf
Aspect after-activation
HTTP status 200
Load time 0.241 s
Memory usage 3.52 MiB
JS errors None
Resource errors None

Custom CSS

Page screenshot: Custom CSS
URL /wp-admin/admin.php?page=customcss
Aspect menu-item
HTTP status 200
Load time 0.149 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.166 s
Memory usage 3.44 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.333 s0.274 s-0.059 s3.51 MiB3.51 MiB+ 5.82 KiB
/wp-admin/edit.php0.202 s0.209 s+0.007 s3.57 MiB3.58 MiB+ 5.86 KiB
/wp-admin/post-new.php0.765 s0.631 s-0.134 s6.06 MiB6.07 MiB+ 10.25 KiB
/wp-admin/upload.php0.605 s0.540 s-0.065 s3.52 MiB3.51 MiB- 11.55 KiB
/wp-admin/options-writing.php0.214 s0.194 s-0.020 s3.5 MiB3.49 MiB- 7.55 KiB
/wp-admin/media-new.php0.294 s0.257 s-0.037 s3.49 MiB3.49 MiB+ 656 bytes
/wp-admin/edit-tags.php?taxonomy=category0.250 s0.185 s-0.065 s3.5 MiB3.51 MiB+ 11.31 KiB
/wp-admin/post-new.php?post_type=page0.600 s0.581 s-0.019 s6.05 MiB6.06 MiB+ 5.77 KiB
/wp-admin/options-discussion.php0.261 s0.251 s-0.010 s3.5 MiB3.49 MiB- 11.05 KiB
/wp-admin/edit-comments.php0.422 s0.197 s-0.225 s3.52 MiB3.51 MiB- 11.55 KiB
/0.297 s0.397 s+0.100 s3.43 MiB3.44 MiB+ 4.7 KiB
Average 0.386 s0.338 s-0.048 s3.97 MiB3.97 MiB+ 245.82 bytes

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
Language % Lines of code Comment lines Files
PHP99.3%14491
CSS0.7%101
Total 145 9 2

PHP Code Analysis | More results »

Lines of code 146
Total complexity 26
Median class complexity 0.0
Median method complexity 0.0
Most complex class
Most complex function customcss_page()
Classes 0
Methods 0
Functions 5

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.

No new entries found.

PHP Error Log 1 lines

[12-Oct-2025 17:02:34 UTC] PHP Warning:  Undefined array key "customcss_hidden" in /wp-content/plugins/best-custom-css/customcss.php on line 12
See also: All tests for this plugin, How to Hide the "Custom CSS" Admin Menu