Performance Lab 1.5.0

Does Performance Lab work with WordPress 6.0.2 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: 21.27 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 version6.0.2
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=e0d402d442
Aspect after-activation
HTTP status 200
Load time 0.287 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 0.160 s
Memory usage 3.64 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 0.358 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.php0.361 s0.303 s-0.058 s3.72 MiB3.75 MiB+ 26.97 KiB
/wp-admin/edit.php0.197 s0.203 s+0.006 s3.76 MiB3.78 MiB+ 26.6 KiB
/wp-admin/post-new.php0.797 s1.014 s+0.217 s5.55 MiB5.59 MiB+ 38.29 KiB
/wp-admin/upload.php0.424 s0.366 s-0.058 s3.69 MiB3.71 MiB+ 25.47 KiB
/wp-admin/options-writing.php0.176 s0.151 s-0.025 s3.62 MiB3.62 MiB+ 5.38 KiB
/wp-admin/media-new.php0.506 s0.200 s-0.306 s3.66 MiB3.69 MiB+ 25.64 KiB
/wp-admin/edit-tags.php?taxonomy=category0.192 s0.193 s+0.001 s3.69 MiB3.72 MiB+ 26.55 KiB
/wp-admin/post-new.php?post_type=page0.747 s0.675 s-0.072 s5.54 MiB5.57 MiB+ 29.88 KiB
/wp-admin/options-discussion.php0.222 s0.307 s+0.085 s3.6 MiB3.62 MiB+ 25.95 KiB
/wp-admin/edit-comments.php0.227 s0.217 s-0.010 s3.7 MiB3.72 MiB+ 25.45 KiB
/0.303 s0.229 s-0.074 s3.6 MiB3.58 MiB- 22.22 KiB
Average 0.377 s0.351 s-0.027 s4.01 MiB4.03 MiB+ 21.27 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 2,403 1,421 22

PHP Code Analysis | More results »

Lines of code 2,284
Total complexity 526
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 87


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