Performance Lab 2.1.0

Does Performance Lab work with WordPress 6.2 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: 47.35 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
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=f891fb3c31
Aspect after-activation
HTTP status 200
Load time 0.280 s
Memory usage 3.06 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 0.148 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 0.245 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.php0.285 s0.231 s-0.054 s3.07 MiB3.12 MiB+ 50.2 KiB
/wp-admin/edit.php0.180 s0.181 s+0.001 s3.1 MiB3.15 MiB+ 49.83 KiB
/wp-admin/post-new.php0.760 s0.594 s-0.166 s5.02 MiB5.07 MiB+ 53.4 KiB
/wp-admin/upload.php0.540 s0.289 s-0.251 s3.02 MiB3.05 MiB+ 32.42 KiB
/wp-admin/options-writing.php0.152 s0.132 s-0.020 s3.01 MiB3.03 MiB+ 19.15 KiB
/wp-admin/media-new.php0.268 s0.322 s+0.054 s2.99 MiB3.04 MiB+ 44.61 KiB
/wp-admin/edit-tags.php?taxonomy=category0.230 s0.201 s-0.029 s3.01 MiB3.05 MiB+ 49.78 KiB
/wp-admin/post-new.php?post_type=page0.582 s0.533 s-0.049 s5.01 MiB5.06 MiB+ 48.98 KiB
/wp-admin/options-discussion.php0.202 s0.206 s+0.004 s3 MiB3.03 MiB+ 32.88 KiB
/wp-admin/edit-comments.php0.212 s0.206 s-0.006 s3.03 MiB3.06 MiB+ 32.41 KiB
/0.311 s0.200 s-0.111 s2.97 MiB3.07 MiB+ 107.22 KiB
Average 0.338 s0.281 s-0.057 s3.38 MiB3.43 MiB+ 47.35 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 5,775 3,627 51

PHP Code Analysis | More results »

Lines of code 5,393
Total complexity 1,229
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 99


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