CSS JS Manager, Async JavaScript, Defer Render Blocking CSS 2.4.49.11

Does "CSS JS Manager, Async JavaScript, Defer Render Blocking CSS" work with WordPress 6.2.2 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: 78.75 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.049 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version6.2.2
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 1,000+
WordPress.org page https://wordpress.org/plugins/css-js-manager/
Badges

WordPress compatibility badge PHP compatibility badge

Get badge code

Pages 6

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=css-js-manager%2Fcss-js-manager.php&plugin_status=all&paged=1&s&_wpnonce=5447980877
Aspect after-activation
HTTP status 200
Load time 0.491 s
Memory usage 3.09 MiB
JS errors None
Resource errors None

CSS JS Manager

Page screenshot: CSS JS Manager
URL /wp-admin/admin.php?page=css-js-manager
Aspect menu-item
HTTP status 200
Load time 0.366 s
Memory usage 3.06 MiB
JS errors None
Resource errors None

Critical CSS

Page screenshot: Critical CSS
URL /wp-admin/edit.php?post_type=pi_critical_css
Aspect menu-item
HTTP status 200
Load time 0.173 s
Memory usage 3.12 MiB
JS errors None
Resource errors None

Critical CSS → Add New

Page screenshot: Critical CSS → Add New
URL /wp-admin/post-new.php?post_type=pi_critical_css
Aspect menu-item
HTTP status 200
Load time 0.239 s
Memory usage 3.29 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 0.302 s
Memory usage 3.14 MiB
JS errors None
Resource errors None

Add New Post ‹ Test site — WordPress

Page screenshot: Add New Post ‹ Test site — WordPress
URL /wp-admin/post-new.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.805 s
Memory usage 5.1 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.287 s0.437 s+0.150 s3.07 MiB3.15 MiB+ 77.56 KiB
/wp-admin/edit.php0.183 s0.210 s+0.027 s3.1 MiB3.17 MiB+ 76.85 KiB
/wp-admin/post-new.php0.768 s0.957 s+0.189 s5.02 MiB5.1 MiB+ 82.32 KiB
/wp-admin/upload.php0.533 s0.508 s-0.025 s3.02 MiB3.08 MiB+ 60.99 KiB
/wp-admin/options-writing.php0.179 s0.141 s-0.038 s3.01 MiB3.06 MiB+ 47.72 KiB
/wp-admin/media-new.php0.292 s0.228 s-0.064 s2.99 MiB3.06 MiB+ 73.18 KiB
/wp-admin/edit-tags.php?taxonomy=category0.212 s0.179 s-0.033 s3.01 MiB3.08 MiB+ 78.35 KiB
/wp-admin/post-new.php?post_type=page0.586 s1.046 s+0.460 s5.01 MiB5.09 MiB+ 77.91 KiB
/wp-admin/options-discussion.php0.214 s0.226 s+0.012 s3 MiB3.06 MiB+ 61.45 KiB
/wp-admin/edit-comments.php0.210 s0.190 s-0.020 s3.03 MiB3.09 MiB+ 60.23 KiB
/0.308 s0.194 s-0.114 s2.97 MiB3.14 MiB+ 169.7 KiB
Average 0.343 s0.392 s+0.049 s3.38 MiB3.46 MiB+ 78.75 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
SVG
Language % Lines of code Comment lines Files
PHP55.1%1,75761926
SVG42.2%1,34535
JavaScript1.3%42486
JSON0.9%3002
CSS0.4%13154
HTML0.0%101
Total 3,188 685 44

PHP Code Analysis | More results »

Lines of code 1,591
Total complexity 284
Median class complexity 11.0
Median method complexity 2.0
Most complex class Css_Js_Manager_Admin
Most complex function Critical_Css_Type::save_meta_box_data()
Classes 19
Methods 119
Functions 6

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

Options wp_options 1

Custom Post Types 1

ID Name
pi_critical_cssCritical CSS

Meta Boxes

{
    "post": {
        "select-critical-css": {
            "title": "Select Critical CSS",
            "context": "advanced"
        }
    },
    "pi_critical_css": {
        "critical-css": {
            "title": "Critical CSS",
            "context": "advanced"
        }
    },
    "page": {
        "select-critical-css": {
            "title": "Select Critical CSS",
            "context": "advanced"
        }
    }
}

PHP Error Log 1 lines

[29-Jun-2023 04:16:57 UTC] PHP Warning:  Undefined variable $global_css in /wp-content/plugins/css-js-manager/admin/critical-css-type.php on line 144
See also: All tests for this plugin, How to Hide CSS JS Manager, Async JavaScript, Defer Render Blocking CSS Admin Menus and Meta Boxes