underConstruction 1.22

Does Under Construction work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
4PHP deprecation warnings
No JavaScript exceptions
1Page failed to load
  • 1 404 Not Found
No resource errors
Performance

Memory usage: 19.22 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
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 60,000+
WordPress.org page https://wordpress.org/plugins/underconstruction/
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Pages 5

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=underconstruction%2FunderConstruction.php&plugin_status=all&paged=1&s&_wpnonce=0fe30447fd
Aspect after-activation
HTTP status 200
Load time 0.342 s
Memory usage 3.75 MiB
JS errors None
Resource errors None

Under Construction

Page screenshot: Under Construction
URL /wp-admin/admin.php?page=under-construction
Aspect menu-item
HTTP status 200
Load time 0.275 s
Memory usage 3.75 MiB
JS errors None
Resource errors None

Under Construction → Other Tools

Page screenshot: Under Construction → Other Tools
URL /wp-admin/admin.php?page=under-construction-plugin-other-tools
Aspect menu-item
HTTP status 200
Load time 0.302 s
Memory usage 3.72 MiB
JS errors None
Resource errors None

Under Construction → AppSumo

Page screenshot: Under Construction →  AppSumo
URL https://appsumo.com/tools/wordpress/?utm_source=sumo&utm_medium=wp-widget&utm_campaign=underconstruction
Requested URL /wp-admin/admin.php?page=uc_go_appsumo_pro
Aspect menu-item
HTTP status 404
Load time 3.802 s
Memory usage N/A
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 0.545 s
Memory usage 4.12 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.407 s1.075 s+0.668 s3.77 MiB3.8 MiB+ 26.3 KiB
/wp-admin/edit.php0.363 s0.320 s-0.043 s3.78 MiB3.8 MiB+ 25.67 KiB
/wp-admin/post-new.php0.933 s0.870 s-0.063 s6.3 MiB6.33 MiB+ 29.79 KiB
/wp-admin/upload.php0.694 s0.408 s-0.286 s3.73 MiB3.74 MiB+ 8.27 KiB
/wp-admin/options-writing.php0.320 s0.316 s-0.004 s3.71 MiB3.72 MiB+ 12.57 KiB
/wp-admin/media-new.php0.525 s0.508 s-0.017 s3.7 MiB3.72 MiB+ 20.77 KiB
/wp-admin/edit-tags.php?taxonomy=category0.438 s0.360 s-0.078 s3.71 MiB3.74 MiB+ 31.13 KiB
/wp-admin/post-new.php?post_type=page0.684 s0.613 s-0.071 s6.29 MiB6.32 MiB+ 23.27 KiB
/wp-admin/options-discussion.php0.349 s0.337 s-0.012 s3.71 MiB3.72 MiB+ 8.76 KiB
/wp-admin/edit-comments.php0.314 s0.309 s-0.005 s3.73 MiB3.74 MiB+ 8.57 KiB
/0.264 s0.184 s-0.080 s4.1 MiB4.12 MiB+ 16.29 KiB
Average 0.481 s0.482 s+0.001 s4.23 MiB4.25 MiB+ 19.22 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.

PHP
CSS
PO File
Language % Lines of code Comment lines Files
PHP52.3%718805
CSS22.8%31322
PO File13.6%186842
SVG7.6%10423
JavaScript3.7%5102
Total 1,372 168 14

PHP Code Analysis | More results »

Lines of code 373
Total complexity 64
Median class complexity 56.0
Median method complexity 1.0
Most complex class underConstruction
Most complex function underConstruction::uc_overrideWP()
Classes 1
Methods 24
Functions 6

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.

Options wp_options 3

PHP Error Log 4 lines

[03-Dec-2025 02:09:05 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:09:05 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:09:15 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 02:09:15 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide Under Construction Admin Menus