Performance Lab 1.0.0-beta.2

Does Performance Lab work with WordPress 5.9.2 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: 7.29 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 version5.9.2
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=82d092c69a
Aspect after-activation
HTTP status 200
Load time 0.256 s
Memory usage 3.28 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 0.149 s
Memory usage 3.25 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 0.314 s
Memory usage 3.36 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.353 s0.374 s+0.021 s3.37 MiB3.38 MiB+ 11.17 KiB
/wp-admin/edit.php0.180 s0.192 s+0.012 s3.4 MiB3.41 MiB+ 10.8 KiB
/wp-admin/post-new.php0.793 s0.962 s+0.169 s6.16 MiB6.18 MiB+ 14.37 KiB
/wp-admin/upload.php0.412 s0.304 s-0.108 s3.25 MiB3.27 MiB+ 17.67 KiB
/wp-admin/options-writing.php0.274 s0.137 s-0.137 s3.24 MiB3.24 MiB+ 1.52 KiB
/wp-admin/media-new.php0.300 s0.197 s-0.103 s3.23 MiB3.24 MiB+ 17.84 KiB
/wp-admin/edit-tags.php?taxonomy=category0.208 s0.177 s-0.031 s3.27 MiB3.28 MiB+ 10.75 KiB
/wp-admin/post-new.php?post_type=page0.718 s0.675 s-0.043 s6.16 MiB6.17 MiB+ 9.95 KiB
/wp-admin/options-discussion.php0.307 s0.280 s-0.027 s3.22 MiB3.24 MiB+ 18.16 KiB
/wp-admin/edit-comments.php0.212 s0.193 s-0.019 s3.27 MiB3.28 MiB+ 9.66 KiB
/0.278 s0.208 s-0.070 s3.4 MiB3.36 MiB- 41.67 KiB
Average 0.367 s0.336 s-0.031 s3.81 MiB3.82 MiB+ 7.29 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 1,235 728 10

PHP Code Analysis | More results »

Lines of code 1,219
Total complexity 258
Median class complexity 0.0
Median method complexity 0.0
Most complex class
Most complex function webp_uploads_create_sources_property()
Classes 0
Methods 0
Functions 47


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