MainWP Child 6.0.3

Does MainWP Child work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
1PHP notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 269.12 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.

Environment
WordPress version6.9.4
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 700,000+
WordPress.org page https://wordpress.org/plugins/mainwp-child/
Badges

WordPress compatibility badge PHP compatibility badge

Get badge code

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=mainwp-child%2Fmainwp-child.php&plugin_status=all&paged=1&s&_wpnonce=186363529f
Aspect after-activation
HTTP status 200
Load time 0.536 s
Memory usage 5.51 MiB
JS errors None
Resource errors None

Settings → MainWP Child

Page screenshot: Settings → MainWP Child
URL /wp-admin/options-general.php?page=mainwp_child_tab
Aspect menu-item
HTTP status 200
Load time 0.882 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.243 s
Memory usage 4.3 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.406 s0.345 s-0.061 s3.78 MiB4.11 MiB+ 338.25 KiB
/wp-admin/edit.php0.343 s0.313 s-0.030 s3.79 MiB4.1 MiB+ 318.96 KiB
/wp-admin/post-new.php0.834 s0.828 s-0.006 s6.31 MiB6.63 MiB+ 328.99 KiB
/wp-admin/upload.php0.629 s0.622 s-0.007 s3.74 MiB3.98 MiB+ 241.88 KiB
/wp-admin/options-writing.php0.301 s0.312 s+0.011 s3.72 MiB3.95 MiB+ 244.14 KiB
/wp-admin/media-new.php0.492 s0.313 s-0.179 s3.71 MiB3.95 MiB+ 252.34 KiB
/wp-admin/edit-tags.php?taxonomy=category0.324 s0.291 s-0.033 s3.72 MiB3.97 MiB+ 257.6 KiB
/wp-admin/post-new.php?post_type=page0.811 s0.760 s-0.051 s6.3 MiB6.61 MiB+ 319.38 KiB
/wp-admin/options-discussion.php0.327 s0.327 s+0.000 s3.72 MiB3.95 MiB+ 240.02 KiB
/wp-admin/edit-comments.php0.304 s0.317 s+0.013 s3.74 MiB3.97 MiB+ 240.23 KiB
/0.265 s0.190 s-0.075 s4.12 MiB4.3 MiB+ 178.51 KiB
Average 0.458 s0.420 s-0.038 s4.24 MiB4.5 MiB+ 269.12 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.

PHP
PO File
Language % Lines of code Comment lines Files
PHP82.9%43,62819,86697
PO File17.1%9,0234,4704
JSON0.0%601
Total 52,657 24,336 102

PHP Code Analysis | More results »

Lines of code 43,025
Total complexity 11,631
Median class complexity 71.0
Median method complexity 3.0
Most complex class MainWP_Child_Updraft_Plus_Backups
Most complex function MainWP_Child_Wordfence::get_diagnostics()
Classes 97
Methods 1,846
Functions 17

Additions

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.

Database Tables 2

Options wp_options 13

User Metadata wp_usermeta 1

PHP Error Log 1 lines

[19-Mar-2026 09:58:31 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>mainwp-child</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. Please see <a href="https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/">Debugging in WordPress</a> for more information. (This message was added in version 6.7.0.) in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide the "MainWP Child" Admin Menu