404s 3.5.9
Does 404s work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .
Summary
Errors
| 2 | PHP deprecation warnings |
| 1 | Database errors |
| No JavaScript exceptions | |
| All test pages loaded successfully | |
| No resource errors |
Performance
Memory usage: 47.78 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 | 6.8.3 |
|---|---|
| PHP version | 8.1.12 |
| MySQL version | 10.6.10 |
| PHP memory limit | 512M |
Plugin Info
| Last updated | |
|---|---|
| Active installs | <10 |
| WordPress.org page | https://wordpress.org/plugins/404s/ |
| Badges |
|
Pages 7
Plugins ‹ Test site — WordPress
| URL | /wp-admin/plugins.php?plugin_status=all&paged=1&s |
|---|---|
| Requested URL | /wp-admin/plugins.php?action=activate&plugin=404s%2F404s.php&plugin_status=all&paged=1&s&_wpnonce=70d051f250 |
| Aspect | after-activation |
| HTTP status | 200 |
| Load time | 0.281 s |
| Memory usage | 3.59 MiB |
| JS errors | None |
| Resource errors | None |
404s
| URL | /wp-admin/edit.php?post_type=404s |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.177 s |
| Memory usage | 3.59 MiB |
| JS errors | None |
| Resource errors | None |
404s → Add New 404
| URL | /wp-admin/post-new.php?post_type=404s |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.951 s |
| Memory usage | 3.63 MiB |
| JS errors | None |
| Resource errors | None |
404s → 404s
| URL | /wp-admin/edit.php?post_type=404s&page=404s |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.196 s |
| Memory usage | 3.54 MiB |
| JS errors | None |
| Resource errors | None |
404s → Settings
| URL | /wp-admin/edit.php?post_type=404s&page=404settings |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.228 s |
| Memory usage | 3.54 MiB |
| JS errors | None |
| Resource errors | None |
404s → Export 404s
| URL | /wp-admin/edit.php?post_type=404s&page=panel404sExport |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.176 s |
| Memory usage | 3.54 MiB |
| JS errors | None |
| Resource errors | None |
Test site – Just another WordPress site
| URL | / |
|---|---|
| Aspect | front-page |
| HTTP status | 200 |
| Load time | 0.242 s |
| Memory usage | 3.46 MiB |
| JS errors | None |
| Resource errors | None |
Benchmark
| URL | Load time | Memory usage | ||||
|---|---|---|---|---|---|---|
| Inactive | Active | Change | Inactive | Active | Change | |
| /wp-admin/index.php | 0.404 s | 0.344 s | -0.060 s | 3.51 MiB | 3.56 MiB | + 59.8 KiB |
| /wp-admin/edit.php | 0.242 s | 0.266 s | +0.024 s | 3.57 MiB | 3.61 MiB | + 37.55 KiB |
| /wp-admin/post-new.php | 0.855 s | 0.726 s | -0.129 s | 6.06 MiB | 6.12 MiB | + 61.68 KiB |
| /wp-admin/upload.php | 0.669 s | 0.610 s | -0.059 s | 3.52 MiB | 3.56 MiB | + 40.03 KiB |
| /wp-admin/options-writing.php | 0.253 s | 0.241 s | -0.012 s | 3.5 MiB | 3.54 MiB | + 44.02 KiB |
| /wp-admin/media-new.php | 0.309 s | 0.240 s | -0.069 s | 3.49 MiB | 3.54 MiB | + 52.22 KiB |
| /wp-admin/edit-tags.php?taxonomy=category | 0.232 s | 0.235 s | +0.003 s | 3.5 MiB | 3.57 MiB | + 62.89 KiB |
| /wp-admin/post-new.php?post_type=page | 0.694 s | 0.680 s | -0.014 s | 6.05 MiB | 6.11 MiB | + 57.2 KiB |
| /wp-admin/options-discussion.php | 0.271 s | 0.466 s | +0.195 s | 3.5 MiB | 3.54 MiB | + 40.52 KiB |
| /wp-admin/edit-comments.php | 0.229 s | 0.467 s | +0.238 s | 3.52 MiB | 3.56 MiB | + 40.02 KiB |
| / | 0.310 s | 0.289 s | -0.021 s | 3.43 MiB | 3.46 MiB | + 29.68 KiB |
| Average | 0.406 s | 0.415 s | +0.009 s | 3.97 MiB | 4.02 MiB | + 47.78 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 | 99.3% | 1,146 | 98 | 9 | |
| CSS | 0.7% | 8 | 0 | 1 | |
| Total | 1,154 | 98 | 10 | ||
PHP Code Analysis | More results »
| Lines of code | 1,183 |
|---|---|
| Total complexity | 105 |
| Median class complexity | 0.0 |
| Median method complexity | 0.0 |
| Most complex class | — |
| Most complex function | tomas_404s_setitngs() |
| Classes | 0 |
|---|---|
| Methods | 0 |
| Functions | 23 |
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_404s
Options wp_options 1
- tomas_404sinstalled
Custom Post Types 1
| ID | Name |
|---|---|
| 404s | 404s |
PHP Error Log 3 lines
[15-Oct-2025 19:39:32 UTC] PHP Deprecated: File upgrade-functions.php is <strong>deprecated</strong> since version 2.5.0! Use wp-admin/includes/upgrade.php instead. in /wp-includes/functions.php on line 6121
[15-Oct-2025 19:39:32 UTC] PHP Deprecated: Function supports_collation is <strong>deprecated</strong> since version 3.5.0! Use wpdb::has_cap( 'collation' ) instead. in /wp-includes/functions.php on line 6121
[15-Oct-2025 19:39:32 UTC] WordPress database error Unknown table 'wordpress.wp_404s' for query DROP TABLE `wp_404s` made by activate_plugin, plugin_sandbox_scrape, include_once('/plugins/404s/404s.php'), require_once('/plugins/404s/404sinstall.php'), toams_404s_Install