Async JavaScript 2.20.12.09

Does Async JavaScript work with WordPress 5.7.2 and PHP 7.4.8? A smoke test was performed on .

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: 14.99 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 version5.7.2
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 100,000+
WordPress.org page https://wordpress.org/plugins/async-javascript/
Badges

WordPress compatibility badge PHP compatibility badge

Get badge code

Pages 8

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=async-javascript%2Fasync-javascript.php&plugin_status=all&paged=1&s&_wpnonce=ef4d26e249
Aspect after-activation
HTTP status 200
Load time 0.480 s
Memory usage 2.8 MiB
JS errors None
Resource errors None

Settings → Async JavaScript

Page screenshot: Settings → Async JavaScript
URL /wp-admin/options-general.php?page=async-javascript
Aspect menu-item
HTTP status 200
Load time 0.218 s
Memory usage 2.87 MiB
JS errors None
Resource errors None

Settings → Async JavaScript → Wizard

Page screenshot: Settings → Async JavaScript → Wizard
URL /wp-admin/options-general.php?page=async-javascript&tab=wizard
Aspect menu-item-tab
HTTP status 200
Load time 0.258 s
Memory usage 2.85 MiB
JS errors None
Resource errors None

Settings → Async JavaScript → Status

Page screenshot: Settings → Async JavaScript → Status
URL /wp-admin/options-general.php?page=async-javascript&tab=status
Aspect menu-item-tab
HTTP status 200
Load time 0.261 s
Memory usage 2.86 MiB
JS errors None
Resource errors None

Settings → Async JavaScript → Help

Page screenshot: Settings → Async JavaScript → Help
URL /wp-admin/options-general.php?page=async-javascript&tab=help
Aspect menu-item-tab
HTTP status 200
Load time 0.288 s
Memory usage 2.75 MiB
JS errors None
Resource errors None

Settings → Async JavaScript → Optimize More!

Page screenshot: Settings → Async JavaScript → Optimize More!
URL /wp-admin/options-general.php?page=async-javascript&tab=Optimize+More%21
Requested URL /wp-admin/options-general.php?page=async-javascript&tab=Optimize%20More!
Aspect menu-item-tab
HTTP status 200
Load time 1.238 s
Memory usage 5.02 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 0.216 s
Memory usage 2.66 MiB
JS errors None
Resource errors None

Dashboard ‹ Test site — WordPress

Page screenshot: Dashboard ‹ Test site — WordPress
URL /wp-admin/index.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.505 s
Memory usage 2.85 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.263 s0.306 s+0.043 s2.82 MiB2.85 MiB+ 27.08 KiB
/wp-admin/edit.php0.268 s0.184 s-0.084 s2.86 MiB2.88 MiB+ 22.71 KiB
/wp-admin/post-new.php1.113 s1.205 s+0.092 s5.02 MiB5.06 MiB+ 35.07 KiB
/wp-admin/upload.php0.513 s0.388 s-0.125 s2.7 MiB2.72 MiB+ 21.58 KiB
/wp-admin/options-writing.php0.179 s0.155 s-0.024 s2.71 MiB2.7 MiB- 10.45 KiB
/wp-admin/media-new.php0.219 s0.197 s-0.022 s2.67 MiB2.69 MiB+ 21.75 KiB
/wp-admin/edit-tags.php?taxonomy=category0.179 s0.208 s+0.029 s2.77 MiB2.79 MiB+ 22.66 KiB
/wp-admin/post-new.php?post_type=page0.646 s0.622 s-0.024 s5.01 MiB5.04 MiB+ 30.66 KiB
/wp-admin/options-discussion.php0.203 s0.204 s+0.001 s2.67 MiB2.7 MiB+ 22.06 KiB
/wp-admin/edit-comments.php0.203 s0.203 s+0.000 s2.78 MiB2.8 MiB+ 21.56 KiB
/0.382 s0.206 s-0.176 s2.71 MiB2.66 MiB- 49.79 KiB
Average 0.379 s0.353 s-0.026 s3.16 MiB3.17 MiB+ 14.99 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
CSS
Language % Lines of code Comment lines Files
JavaScript53.9%2,933253
PHP36.1%1,96436611
CSS9.9%537252
HTML0.1%701
Total 5,441 416 17

PHP Code Analysis | More results »

Lines of code 719
Total complexity 191
Median class complexity 67.0
Median method complexity 2.0
Most complex class AsyncJavaScriptFrontend
Most complex function AsyncJavaScriptFrontend::aj_async_js()
Classes 3
Methods 45
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 13

Meta Boxes

{
    "dashboard": {
        "aj_dashboard_widget": {
            "title": "Async JavaScript",
            "context": "normal"
        }
    }
}

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide Async JavaScript Admin Menus and Widgets