Performance Lab 1.0.0

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: 17.38 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=b46a977a06
Aspect after-activation
HTTP status 200
Load time 0.241 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 0.231 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 0.254 s
Memory usage 3.37 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.350 s0.369 s+0.019 s3.37 MiB3.39 MiB+ 21.26 KiB
/wp-admin/edit.php0.179 s0.196 s+0.017 s3.4 MiB3.42 MiB+ 20.89 KiB
/wp-admin/post-new.php0.793 s0.925 s+0.132 s5.68 MiB5.71 MiB+ 24.45 KiB
/wp-admin/upload.php0.355 s0.347 s-0.008 s3.25 MiB3.28 MiB+ 27.76 KiB
/wp-admin/options-writing.php0.270 s0.137 s-0.133 s3.24 MiB3.25 MiB+ 11.61 KiB
/wp-admin/media-new.php0.289 s0.176 s-0.113 s3.23 MiB3.25 MiB+ 27.93 KiB
/wp-admin/edit-tags.php?taxonomy=category0.192 s0.171 s-0.021 s3.27 MiB3.29 MiB+ 20.84 KiB
/wp-admin/post-new.php?post_type=page0.623 s0.621 s-0.002 s5.68 MiB5.7 MiB+ 20.04 KiB
/wp-admin/options-discussion.php0.221 s0.314 s+0.093 s3.22 MiB3.25 MiB+ 28.24 KiB
/wp-admin/edit-comments.php0.232 s0.206 s-0.026 s3.27 MiB3.29 MiB+ 19.74 KiB
/0.260 s0.209 s-0.051 s3.4 MiB3.37 MiB- 31.59 KiB
Average 0.342 s0.334 s-0.008 s3.73 MiB3.74 MiB+ 17.38 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 1,454 892 14

PHP Code Analysis | More results »

Lines of code 1,435
Total complexity 312
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 57


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