Performance Lab 1.0.0-rc.1

Does Performance Lab work with WordPress 5.9.3 and PHP 7.4.8? A smoke test was performed on .


No PHP errors, warnings or notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Looks good! No problems were detected.

Memory usage: 16.15 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.

WordPress version5.9.3
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 100,000+ page

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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=performance-lab%2Fload.php&plugin_status=all&paged=1&s&_wpnonce=0dc301e8d3
Aspect after-activation
HTTP status 200
Load time 0.285 s
Memory usage 3.29 MiB
JS errors None
Resource errors None

Settings → Performance

Page screenshot: Settings → Performance
URL /wp-admin/options-general.php?page=perflab-modules
Aspect menu-item
HTTP status 200
Load time 0.219 s
Memory usage 3.26 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
Aspect front-page
HTTP status 200
Load time 0.249 s
Memory usage 3.36 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.362 s0.281 s-0.081 s3.37 MiB3.39 MiB+ 20.03 KiB
/wp-admin/edit.php0.186 s0.190 s+0.004 s3.4 MiB3.42 MiB+ 19.66 KiB
/wp-admin/post-new.php1.089 s1.228 s+0.139 s5.69 MiB5.71 MiB+ 23.23 KiB
/wp-admin/upload.php0.481 s0.339 s-0.142 s3.25 MiB3.27 MiB+ 26.53 KiB
/wp-admin/options-writing.php0.314 s0.146 s-0.168 s3.24 MiB3.25 MiB+ 10.38 KiB
/wp-admin/media-new.php0.237 s0.203 s-0.034 s3.23 MiB3.25 MiB+ 26.7 KiB
/wp-admin/edit-tags.php?taxonomy=category0.189 s0.198 s+0.009 s3.27 MiB3.28 MiB+ 19.61 KiB
/wp-admin/post-new.php?post_type=page1.034 s0.976 s-0.058 s5.68 MiB5.7 MiB+ 18.81 KiB
/wp-admin/options-discussion.php0.233 s0.329 s+0.096 s3.22 MiB3.25 MiB+ 27.02 KiB
/wp-admin/edit-comments.php0.227 s0.223 s-0.004 s3.27 MiB3.29 MiB+ 18.52 KiB
/0.271 s0.214 s-0.057 s3.4 MiB3.37 MiB- 32.81 KiB
Average 0.420 s0.393 s-0.027 s3.73 MiB3.74 MiB+ 16.15 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.

Language % Lines of code Comment lines Files
Bourne Shell0.2%301
Total 1,320 801 11

PHP Code Analysis | More results »

Lines of code 1,301
Total complexity 281
Median class complexity 0.0
Median method complexity 0.0
Most complex class
Most complex function webp_uploads_create_sources_property()
Classes 0
Methods 0
Functions 53


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

The log file is empty.

See also: All tests for this plugin, How to Hide Performance Lab Admin Menus