Performance Lab 2.4.0

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: 52.18 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=ac4c9722c4
Aspect after-activation
HTTP status 200
Load time 0.266 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 0.170 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 0.233 s
Memory usage 3.06 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.342 s0.242 s-0.100 s3.07 MiB3.13 MiB+ 55.23 KiB
/wp-admin/edit.php0.207 s0.182 s-0.025 s3.1 MiB3.15 MiB+ 54.86 KiB
/wp-admin/post-new.php0.809 s0.657 s-0.152 s5.02 MiB5.08 MiB+ 58.43 KiB
/wp-admin/upload.php0.602 s0.615 s+0.013 s3.02 MiB3.05 MiB+ 37.45 KiB
/wp-admin/options-writing.php0.201 s0.192 s-0.009 s3.01 MiB3.04 MiB+ 24.18 KiB
/wp-admin/media-new.php0.355 s0.269 s-0.086 s2.99 MiB3.04 MiB+ 49.64 KiB
/wp-admin/edit-tags.php?taxonomy=category0.183 s0.192 s+0.009 s3.01 MiB3.06 MiB+ 54.81 KiB
/wp-admin/post-new.php?post_type=page0.623 s0.612 s-0.011 s5.01 MiB5.07 MiB+ 54.02 KiB
/wp-admin/options-discussion.php0.208 s0.252 s+0.044 s3 MiB3.04 MiB+ 37.91 KiB
/wp-admin/edit-comments.php0.238 s0.233 s-0.005 s3.03 MiB3.06 MiB+ 37.45 KiB
/0.336 s0.242 s-0.094 s2.97 MiB3.08 MiB+ 110.04 KiB
Average 0.373 s0.335 s-0.038 s3.38 MiB3.44 MiB+ 52.18 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 6,031 3,735 52

PHP Code Analysis | More results »

Lines of code 5,608
Total complexity 1,256
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