Performance Lab 1.2.0

Does Performance Lab work with WordPress 6.0.1 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: 18.4 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 version6.0.1
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=57dd678b8c
Aspect after-activation
HTTP status 200
Load time 0.386 s
Memory usage 3.72 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 3.63 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 0.239 s
Memory usage 3.58 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.336 s0.250 s-0.086 s3.72 MiB3.75 MiB+ 24.21 KiB
/wp-admin/edit.php0.210 s0.177 s-0.033 s3.75 MiB3.78 MiB+ 23.84 KiB
/wp-admin/post-new.php0.878 s1.082 s+0.204 s5.55 MiB5.58 MiB+ 35.53 KiB
/wp-admin/upload.php0.370 s0.313 s-0.057 s3.68 MiB3.71 MiB+ 22.71 KiB
/wp-admin/options-writing.php0.293 s0.136 s-0.157 s3.62 MiB3.62 MiB+ 2.62 KiB
/wp-admin/media-new.php0.259 s0.179 s-0.080 s3.66 MiB3.68 MiB+ 22.88 KiB
/wp-admin/edit-tags.php?taxonomy=category0.183 s0.282 s+0.099 s3.69 MiB3.71 MiB+ 23.79 KiB
/wp-admin/post-new.php?post_type=page1.094 s1.153 s+0.059 s5.54 MiB5.57 MiB+ 27.12 KiB
/wp-admin/options-discussion.php0.202 s0.229 s+0.027 s3.6 MiB3.62 MiB+ 23.2 KiB
/wp-admin/edit-comments.php0.205 s0.187 s-0.018 s3.69 MiB3.72 MiB+ 22.7 KiB
/0.400 s0.207 s-0.193 s3.6 MiB3.58 MiB- 26.21 KiB
Average 0.403 s0.381 s-0.021 s4.01 MiB4.03 MiB+ 18.4 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
Bourne Shell0.1%301
Total 2,064 1,279 21

PHP Code Analysis | More results »

Lines of code 2,035
Total complexity 452
Median class complexity 7.0
Median method complexity 3.0
Most complex class Dominant_Color_Image_Editor_GD
Most complex function webp_uploads_create_sources_property()
Classes 2
Methods 4
Functions 76


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