Report - All 404 Redirect to Homepage 5.5

Does All 404 Redirect to Homepage work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on 2026-03-11 17:38:30 UTC.

Summary

Errors

2	Unrecognized messages in the PHP error log
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 35.72 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 version	6.9.4
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-08-21T00:30:00+00:00
Active installs	200,000+
WordPress.org page	https://wordpress.org/plugins/all-404-redirect-to-homepage/
Badges	Get badge code

Pages 4

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=all-404-redirect-to-homepage%2Fall-404-redirect-to-homepage.php&plugin_status=all&paged=1&s&_wpnonce=a63fff04c5
Aspect	after-activation
HTTP status	200
Load time	0.402 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

Settings → All 404 Redirect to Homepage

URL	/wp-admin/options-general.php?page=all-404-redirect-to-homepage.php
Aspect	menu-item
HTTP status	200
Load time	0.663 s
Memory usage	3.97 MiB
JS errors	None
Resource errors	None

Settings → All 404 Redirect to Homepage → 404 URLs

URL	/wp-admin/options-general.php?page=all-404-redirect-to-homepage.php&mytab=404urls
Aspect	menu-item-tab
HTTP status	200
Load time	0.454 s
Memory usage	3.76 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.192 s
Memory usage	4.14 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.394 s	0.362 s	-0.032 s	3.78 MiB	3.81 MiB	+ 38.8 KiB
/wp-admin/edit.php	0.381 s	0.355 s	-0.026 s	3.78 MiB	3.82 MiB	+ 38.43 KiB
/wp-admin/post-new.php	0.877 s	0.807 s	-0.070 s	6.31 MiB	6.37 MiB	+ 61.2 KiB
/wp-admin/upload.php	0.519 s	0.418 s	-0.101 s	3.74 MiB	3.76 MiB	+ 20.3 KiB
/wp-admin/options-writing.php	0.323 s	0.286 s	-0.037 s	3.71 MiB	3.74 MiB	+ 24.3 KiB
/wp-admin/media-new.php	0.490 s	0.482 s	-0.008 s	3.7 MiB	3.73 MiB	+ 32.49 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.347 s	0.322 s	-0.025 s	3.72 MiB	3.76 MiB	+ 43.16 KiB
/wp-admin/post-new.php?post_type=page	0.681 s	0.680 s	-0.001 s	6.3 MiB	6.35 MiB	+ 58.63 KiB
/wp-admin/options-discussion.php	0.349 s	0.402 s	+0.053 s	3.71 MiB	3.74 MiB	+ 20.8 KiB
/wp-admin/edit-comments.php	0.321 s	0.324 s	+0.003 s	3.74 MiB	3.75 MiB	+ 20.3 KiB
/	0.289 s	0.195 s	-0.094 s	4.11 MiB	4.14 MiB	+ 34.48 KiB
Average	0.452 s	0.421 s	-0.031 s	4.24 MiB	4.27 MiB	+ 35.72 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

Language		%	Lines of code	Comment lines	Files
	PHP	97.0%	3,917	354	5
	CSS	2.4%	95	1	1
	JavaScript	0.7%	28	3	1
Total			4,040	358	7

PHP Code Analysis | More results »

Lines of code	4,285
Total complexity	354
Median class complexity	10.0
Median method complexity	2.0
Most complex class	p404redirect_dropdown
Most complex function	p404_generate_email_content()

Classes	1
Methods	5
Functions	78

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 1

wp_redirects_404

Options `wp_options` 3

options-404-redirect-group
P404_email_update
p404_migration_status2

PHP Error Log 2 lines

[11-Mar-2026 17:38:48 UTC] P404 Plugin: New table created with all columns
[11-Mar-2026 17:38:48 UTC] P404 Plugin: Database upgrade completed successfully via plugins_loaded

All 404 Redirect to Homepage 5.5