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JS & CSS Script Optimizer 0.3.3

Does JS & CSS Script Optimizer work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
22PHP warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 5.94 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 version6.8.3
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 8,000+
WordPress.org page https://wordpress.org/plugins/js-css-script-optimizer/
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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=js-css-script-optimizer%2Fjs-css-script-optimizer.php&plugin_status=all&paged=1&s&_wpnonce=36968b7d4a
Aspect after-activation
HTTP status 200
Load time 0.251 s
Memory usage 3.53 MiB
JS errors None
Resource errors None

Settings → Script Optimizer

Page screenshot: Settings → Script Optimizer
URL /wp-admin/options-general.php?page=script-optimizer
Aspect menu-item
HTTP status 200
Load time 0.168 s
Memory usage 3.52 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 0.171 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.php0.326 s0.279 s-0.047 s3.51 MiB3.52 MiB+ 12.24 KiB
/wp-admin/edit.php0.191 s0.171 s-0.020 s3.57 MiB3.58 MiB+ 12.24 KiB
/wp-admin/post-new.php0.750 s0.621 s-0.129 s6.06 MiB6.08 MiB+ 16.67 KiB
/wp-admin/upload.php0.597 s0.500 s-0.097 s3.52 MiB3.52 MiB- 5.16 KiB
/wp-admin/options-writing.php0.214 s0.208 s-0.006 s3.5 MiB3.5 MiB- 1.17 KiB
/wp-admin/media-new.php0.278 s0.249 s-0.029 s3.49 MiB3.5 MiB+ 7.02 KiB
/wp-admin/edit-tags.php?taxonomy=category0.190 s0.190 s+0.000 s3.5 MiB3.52 MiB+ 17.7 KiB
/wp-admin/post-new.php?post_type=page0.598 s0.560 s-0.038 s6.05 MiB6.06 MiB+ 12.2 KiB
/wp-admin/options-discussion.php0.429 s0.358 s-0.071 s3.5 MiB3.5 MiB- 4.67 KiB
/wp-admin/edit-comments.php0.235 s0.194 s-0.041 s3.52 MiB3.52 MiB- 5.17 KiB
/0.304 s0.406 s+0.102 s3.43 MiB3.44 MiB+ 3.46 KiB
Average 0.374 s0.340 s-0.034 s3.97 MiB3.98 MiB+ 5.94 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
PO File
Language % Lines of code Comment lines Files
PHP81.8%2,0165554
PO File18.2%4481923
Total 2,464 747 7

PHP Code Analysis | More results »

Lines of code 2,074
Total complexity 452
Median class complexity 47.5
Median method complexity 3.0
Most complex class evScriptOptimizer
Most complex function JSMin::action()
Classes 8
Methods 93
Functions 0

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 22 lines

[01-Oct-2025 23:03:24 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/backend.php on line 115
[01-Oct-2025 23:03:25 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:27 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:27 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:27 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:27 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:27 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:27 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:27 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:27 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:28 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:28 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:30 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:30 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:31 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:31 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:31 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:31 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:31 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:31 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:31 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
[01-Oct-2025 23:03:32 UTC] PHP Warning:  Undefined array key "enable-plugin" in /wp-content/plugins/js-css-script-optimizer/js-css-script-optimizer.php on line 162
See also: All tests for this plugin, How to Hide the "Script Optimizer" Admin Menu