Performance Lab 1.6.0

Does Performance Lab work with WordPress 6.1.1 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: 24.22 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.022 seconds
The average page load time increased by this amount after activating the plugin.

WordPress version6.1.1
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=21e12b5a5c
Aspect after-activation
HTTP status 200
Load time 0.435 s
Memory usage 3.45 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 0.143 s
Memory usage 3.42 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 0.214 s
Memory usage 3.44 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.291 s0.340 s+0.049 s3.54 MiB3.57 MiB+ 31.63 KiB
/wp-admin/edit.php0.175 s0.195 s+0.020 s3.57 MiB3.6 MiB+ 31.26 KiB
/wp-admin/post-new.php1.038 s1.532 s+0.494 s5.46 MiB5.5 MiB+ 34.82 KiB
/wp-admin/upload.php0.505 s0.271 s-0.234 s3.41 MiB3.44 MiB+ 30.09 KiB
/wp-admin/options-writing.php0.136 s0.137 s+0.001 s3.4 MiB3.41 MiB+ 12.53 KiB
/wp-admin/media-new.php0.211 s0.297 s+0.086 s3.39 MiB3.41 MiB+ 30.27 KiB
/wp-admin/edit-tags.php?taxonomy=category0.221 s0.248 s+0.027 s3.48 MiB3.51 MiB+ 31.17 KiB
/wp-admin/post-new.php?post_type=page0.900 s0.717 s-0.183 s5.46 MiB5.49 MiB+ 30.38 KiB
/wp-admin/options-discussion.php0.202 s0.193 s-0.009 s3.38 MiB3.41 MiB+ 30.55 KiB
/wp-admin/edit-comments.php0.180 s0.199 s+0.019 s3.48 MiB3.51 MiB+ 30.08 KiB
/0.238 s0.206 s-0.032 s3.47 MiB3.44 MiB- 26.36 KiB
Average 0.372 s0.394 s+0.022 s3.82 MiB3.85 MiB+ 24.22 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 2,481 1,445 24

PHP Code Analysis | More results »

Lines of code 2,352
Total complexity 533
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 90


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.

User Metadata wp_usermeta 1

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide Performance Lab Admin Menus