SiteOrigin CSS 1.6.4

Does SiteOrigin CSS work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
6PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 28.28 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 version6.9
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 100,000+
WordPress.org page https://wordpress.org/plugins/so-css/
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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=so-css%2Fso-css.php&plugin_status=all&paged=1&s&_wpnonce=acbdc5ee7e
Aspect after-activation
HTTP status 200
Load time 0.374 s
Memory usage 3.77 MiB
JS errors None
Resource errors None

Appearance → Custom CSS

Page screenshot: Appearance → Custom CSS
URL /wp-admin/themes.php?page=so_custom_css
Aspect menu-item
HTTP status 200
Load time 0.794 s
Memory usage 3.82 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 0.184 s
Memory usage 4.14 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.442 s0.355 s-0.087 s3.78 MiB3.81 MiB+ 34.39 KiB
/wp-admin/edit.php0.375 s0.414 s+0.039 s3.78 MiB3.82 MiB+ 34.7 KiB
/wp-admin/post-new.php0.896 s0.919 s+0.023 s6.31 MiB6.34 MiB+ 38.75 KiB
/wp-admin/upload.php0.447 s0.390 s-0.057 s3.74 MiB3.75 MiB+ 17.3 KiB
/wp-admin/options-writing.php0.347 s0.307 s-0.040 s3.71 MiB3.73 MiB+ 21.29 KiB
/wp-admin/media-new.php0.535 s0.323 s-0.212 s3.7 MiB3.73 MiB+ 29.48 KiB
/wp-admin/edit-tags.php?taxonomy=category0.337 s0.426 s+0.089 s3.72 MiB3.75 MiB+ 40.16 KiB
/wp-admin/post-new.php?post_type=page0.695 s0.697 s+0.002 s6.3 MiB6.33 MiB+ 34.28 KiB
/wp-admin/options-discussion.php0.332 s0.478 s+0.146 s3.71 MiB3.73 MiB+ 17.79 KiB
/wp-admin/edit-comments.php0.342 s0.331 s-0.011 s3.73 MiB3.75 MiB+ 17.29 KiB
/0.290 s0.197 s-0.093 s4.12 MiB4.14 MiB+ 25.7 KiB
Average 0.458 s0.440 s-0.018 s4.24 MiB4.26 MiB+ 28.28 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.

JavaScript
PHP
Language % Lines of code Comment lines Files
JavaScript78.0%16,7825,23310
PHP14.0%3,01135811
CSS7.2%1,553106
Markdown0.4%8005
JSON0.3%6902
SVG0.2%3304
Total 21,528 5,601 38

PHP Code Analysis | More results »

Lines of code 2,113
Total complexity 449
Median class complexity 113.0
Median method complexity 3.0
Most complex class Parsedown
Most complex function Parsedown::lines()
Classes 4
Methods 104
Functions 1

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.

Options wp_options 2

PHP Error Log 6 lines

[03-Dec-2025 00:28:23 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:28:23 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:28:24 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:28:24 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:28:33 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 00:28:33 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide the "Custom CSS" Admin Menu