Does "404page - your smart custom 404 error page" work with WordPress 5.5 and PHP 7.2.16? A smoke test was performed on .
| No PHP errors, warnings or notices | |
| No JavaScript exceptions | |
| All test pages loaded successfully | |
| No resource errors | |
| Looks good! No problems were detected. | 
							Memory usage: 104.81 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.
														
| WordPress version | 5.5 | 
|---|---|
| PHP version | 7.2.16 | 
| MySQL version | 8.0.15 | 
| PHP memory limit | 256M | 
| Last updated | |
|---|---|
| Active installs | 100,000+ | 
| WordPress.org page | https://wordpress.org/plugins/404page/ | 
| Badges | 
								 
									  | 
						
| URL | /wp-admin/plugins.php?plugin_status=all&paged=1&s | 
|---|---|
| Requested URL | /wp-admin/plugins.php?action=activate&plugin=404page%2F404page.php&plugin_status=all&paged=1&s&_wpnonce=e98c8cd57e | 
| Aspect | after-activation | 
| HTTP status | 200 | 
| Load time | 0.271 s | 
| Memory usage | 3.97 MiB | 
| JS errors | None | 
| Resource errors | None | 
| URL | /wp-admin/themes.php?page=404pagesettings | 
|---|---|
| Aspect | menu-item | 
| HTTP status | 200 | 
| Load time | 0.295 s | 
| Memory usage | 3.96 MiB | 
| JS errors | None | 
| Resource errors | None | 
| URL | / | 
|---|---|
| Aspect | front-page | 
| HTTP status | 200 | 
| Load time | 0.201 s | 
| Memory usage | 3.68 MiB | 
| JS errors | None | 
| Resource errors | None | 
| URL | Load time | Memory usage | ||||
|---|---|---|---|---|---|---|
| Inactive | Active | Change | Inactive | Active | Change | |
| /wp-admin/index.php | 0.459 s | 0.290 s | -0.169 s | 3.96 MiB | 4.09 MiB | + 126.2 KiB | 
| /wp-admin/edit.php | 0.227 s | 0.212 s | -0.015 s | 3.99 MiB | 4.11 MiB | + 120.7 KiB | 
| /wp-admin/post-new.php | 1.435 s | 1.776 s | +0.341 s | 5.81 MiB | 5.94 MiB | + 126.68 KiB | 
| /wp-admin/upload.php | 0.979 s | 0.399 s | -0.580 s | 3.83 MiB | 3.94 MiB | + 119.56 KiB | 
| /wp-admin/options-writing.php | 0.171 s | 0.165 s | -0.006 s | 3.9 MiB | 3.93 MiB | + 26.08 KiB | 
| /wp-admin/media-new.php | 0.194 s | 0.176 s | -0.018 s | 3.8 MiB | 3.92 MiB | + 119.73 KiB | 
| /wp-admin/edit-tags.php?taxonomy=category | 0.183 s | 0.181 s | -0.002 s | 3.91 MiB | 3.96 MiB | + 56.64 KiB | 
| /wp-admin/post-new.php?post_type=page | 1.234 s | 1.239 s | +0.005 s | 5.8 MiB | 5.92 MiB | + 119.86 KiB | 
| /wp-admin/options-discussion.php | 0.286 s | 0.234 s | -0.052 s | 3.81 MiB | 3.93 MiB | + 120 KiB | 
| /wp-admin/edit-comments.php | 0.200 s | 0.202 s | +0.002 s | 3.91 MiB | 4.03 MiB | + 119.55 KiB | 
| / | 0.538 s | 0.215 s | -0.323 s | 3.58 MiB | 3.68 MiB | + 97.88 KiB | 
| Average | 0.537 s | 0.463 s | -0.074 s | 4.21 MiB | 4.31 MiB | + 104.81 KiB | 
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.
wp_options 1The log file is empty.