All 404 Redirect to Homepage 5.3
Does All 404 Redirect to Homepage work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .
Summary
Errors
| 4 | PHP deprecation warnings |
| 2 | Unrecognized messages in the PHP error log |
| No JavaScript exceptions | |
| All test pages loaded successfully | |
| No resource errors |
Performance
Memory usage: 36.34 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 |
|---|---|
| PHP version | 8.1.12 |
| MySQL version | 10.6.10 |
| PHP memory limit | 512M |
Plugin Info
| Last updated | |
|---|---|
| Active installs | 200,000+ |
| WordPress.org page | https://wordpress.org/plugins/all-404-redirect-to-homepage/ |
| Badges |
|
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=6ff3584077 |
| Aspect | after-activation |
| HTTP status | 200 |
| Load time | 0.393 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 | 0.535 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 | 0.456 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 | 0.207 s |
| Memory usage | 4.15 MiB |
| JS errors | None |
| Resource errors | None |
Benchmark
| URL | Load time | Memory usage | ||||
|---|---|---|---|---|---|---|
| Inactive | Active | Change | Inactive | Active | Change | |
| /wp-admin/index.php | 0.486 s | 0.383 s | -0.103 s | 3.78 MiB | 3.81 MiB | + 39.6 KiB |
| /wp-admin/edit.php | 0.371 s | 0.363 s | -0.008 s | 3.78 MiB | 3.82 MiB | + 39.23 KiB |
| /wp-admin/post-new.php | 0.905 s | 0.818 s | -0.087 s | 6.31 MiB | 6.37 MiB | + 61.99 KiB |
| /wp-admin/upload.php | 0.463 s | 0.418 s | -0.045 s | 3.74 MiB | 3.76 MiB | + 21.11 KiB |
| /wp-admin/options-writing.php | 0.349 s | 0.310 s | -0.039 s | 3.71 MiB | 3.74 MiB | + 25.1 KiB |
| /wp-admin/media-new.php | 0.523 s | 0.348 s | -0.175 s | 3.7 MiB | 3.74 MiB | + 33.3 KiB |
| /wp-admin/edit-tags.php?taxonomy=category | 0.345 s | 0.334 s | -0.011 s | 3.72 MiB | 3.76 MiB | + 43.97 KiB |
| /wp-admin/post-new.php?post_type=page | 0.712 s | 0.710 s | -0.002 s | 6.3 MiB | 6.35 MiB | + 59.43 KiB |
| /wp-admin/options-discussion.php | 0.341 s | 0.313 s | -0.028 s | 3.71 MiB | 3.74 MiB | + 21.6 KiB |
| /wp-admin/edit-comments.php | 0.345 s | 0.342 s | -0.003 s | 3.73 MiB | 3.76 MiB | + 21.1 KiB |
| / | 0.296 s | 0.194 s | -0.102 s | 4.12 MiB | 4.15 MiB | + 33.3 KiB |
| Average | 0.467 s | 0.412 s | -0.055 s | 4.24 MiB | 4.27 MiB | + 36.34 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 | |
|---|---|---|---|---|---|
| PHP | 97.0% | 3,917 | 352 | 5 | |
| CSS | 2.4% | 95 | 1 | 1 | |
| JavaScript | 0.7% | 28 | 3 | 1 | |
| Total | 4,040 | 356 | 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 6 lines
[02-Dec-2025 22:52:48 UTC] P404 Plugin: New table created with all columns
[02-Dec-2025 22:52:48 UTC] P404 Plugin: Database upgrade completed successfully via plugins_loaded
[02-Dec-2025 22:52:53 UTC] PHP Deprecated: Function WP_Dependencies->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
[02-Dec-2025 22:52:53 UTC] PHP Deprecated: Function WP_Dependencies->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
[02-Dec-2025 22:53:02 UTC] PHP Deprecated: Function WP_Dependencies->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
[02-Dec-2025 22:53:02 UTC] PHP Deprecated: Function WP_Dependencies->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