Performance Lab 2.3.0

Does Performance Lab work with WordPress 6.2.2 and PHP 8.1.12? 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: 51.28 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 version6.2.2
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
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=658ff64e76
Aspect after-activation
HTTP status 200
Load time 0.475 s
Memory usage 3.07 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 0.151 s
Memory usage 3.09 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 0.248 s
Memory usage 3.02 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.307 s0.256 s-0.051 s3.07 MiB3.12 MiB+ 54.23 KiB
/wp-admin/edit.php0.202 s0.206 s+0.004 s3.1 MiB3.15 MiB+ 53.87 KiB
/wp-admin/post-new.php0.811 s0.931 s+0.120 s5.02 MiB5.08 MiB+ 57.44 KiB
/wp-admin/upload.php0.565 s0.261 s-0.304 s3.02 MiB3.05 MiB+ 36.46 KiB
/wp-admin/options-writing.php0.176 s0.147 s-0.029 s3.01 MiB3.03 MiB+ 23.19 KiB
/wp-admin/media-new.php0.336 s0.228 s-0.108 s2.99 MiB3.04 MiB+ 48.65 KiB
/wp-admin/edit-tags.php?taxonomy=category0.194 s0.254 s+0.060 s3.01 MiB3.06 MiB+ 53.82 KiB
/wp-admin/post-new.php?post_type=page0.602 s0.646 s+0.044 s5.01 MiB5.07 MiB+ 53.02 KiB
/wp-admin/options-discussion.php0.217 s0.235 s+0.018 s3 MiB3.04 MiB+ 36.92 KiB
/wp-admin/edit-comments.php0.223 s0.210 s-0.013 s3.03 MiB3.06 MiB+ 36.45 KiB
/0.327 s0.224 s-0.103 s2.97 MiB3.08 MiB+ 110.04 KiB
Average 0.360 s0.327 s-0.033 s3.38 MiB3.43 MiB+ 51.28 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
Total 5,872 3,697 52

PHP Code Analysis | More results »

Lines of code 5,455
Total complexity 1,249
Median class complexity 36.0
Median method complexity 2.0
Most complex class Perflab_SQLite_PDO_Engine
Most complex function webp_uploads_remove_sources_files()
Classes 11
Methods 168
Functions 105


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