Performance Lab 1.7.0

Does Performance Lab work with WordPress 6.1.1 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: 24.2 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 version6.1.1
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=c85d94ef55
Aspect after-activation
HTTP status 200
Load time 0.390 s
Memory usage 3.02 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 0.142 s
Memory usage 3.02 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 0.226 s
Memory usage 2.97 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.290 s0.251 s-0.039 s3.05 MiB3.08 MiB+ 32.66 KiB
/wp-admin/edit.php0.189 s0.187 s-0.002 s3.07 MiB3.11 MiB+ 32.29 KiB
/wp-admin/post-new.php0.788 s0.886 s+0.098 s4.97 MiB5 MiB+ 35.86 KiB
/wp-admin/upload.php0.579 s0.284 s-0.295 s2.99 MiB3.01 MiB+ 14.88 KiB
/wp-admin/options-writing.php0.172 s0.143 s-0.029 s2.99 MiB2.99 MiB+ 1.5 KiB
/wp-admin/media-new.php0.275 s0.180 s-0.095 s2.97 MiB2.99 MiB+ 27.07 KiB
/wp-admin/edit-tags.php?taxonomy=category0.180 s0.294 s+0.114 s2.98 MiB3.01 MiB+ 32.24 KiB
/wp-admin/post-new.php?post_type=page0.619 s0.645 s+0.026 s4.96 MiB4.99 MiB+ 31.45 KiB
/wp-admin/options-discussion.php0.214 s0.193 s-0.021 s2.98 MiB2.99 MiB+ 15.34 KiB
/wp-admin/edit-comments.php0.203 s0.198 s-0.005 s3 MiB3.02 MiB+ 14.88 KiB
/0.280 s0.218 s-0.062 s2.94 MiB2.97 MiB+ 28.02 KiB
Average 0.344 s0.316 s-0.028 s3.35 MiB3.38 MiB+ 24.2 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 2,518 1,464 24

PHP Code Analysis | More results »

Lines of code 2,389
Total complexity 546
Median class complexity 10.0
Median method complexity 4.5
Most complex class Dominant_Color_Image_Editor_Imagick
Most complex function webp_uploads_remove_sources_files()
Classes 2
Methods 4
Functions 91


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