404page – your smart custom 404 error page 9

Does "404page - your smart custom 404 error page" work with WordPress 5.0.3 and PHP 7.0.16? 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: 54.91 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 version5.0.3
PHP version7.0.16
MySQL version5.7.17
PHP memory limit256M
Plugin Info
Last updated
Active installs 100,000+
WordPress.org page https://wordpress.org/plugins/404page/

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Pages 3

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=404page%2F404page.php&plugin_status=all&paged=1&s&_wpnonce=ab5a34f5cd
Aspect after-activation
HTTP status 200
Load time 0.215 s
Memory usage 3.21 MiB
JS errors None
Resource errors None

Appearance → 404 Error Page

Page screenshot: Appearance → 404 Error Page
URL /wp-admin/themes.php?page=404pagesettings
Aspect menu-item
HTTP status 200
Load time 0.182 s
Memory usage 3.29 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
Aspect front-page
HTTP status 200
Load time 0.220 s
Memory usage 2.94 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.243 s0.201 s-0.042 s3.22 MiB3.32 MiB+ 104.46 KiB
/wp-admin/edit.php0.167 s0.203 s+0.036 s3.25 MiB3.29 MiB+ 38.55 KiB
/wp-admin/post-new.php0.827 s0.971 s+0.144 s4.92 MiB4.96 MiB+ 44.95 KiB
/wp-admin/upload.php0.397 s0.335 s-0.062 s3.15 MiB3.18 MiB+ 37.84 KiB
/wp-admin/options-writing.php0.153 s0.120 s-0.033 s3.14 MiB3.18 MiB+ 38.11 KiB
/wp-admin/media-new.php0.176 s0.168 s-0.008 s3.07 MiB3.17 MiB+ 102.16 KiB
/wp-admin/edit-tags.php?taxonomy=category0.160 s0.164 s+0.004 s3.17 MiB3.21 MiB+ 39.09 KiB
/wp-admin/post-new.php?post_type=page0.786 s0.799 s+0.013 s4.9 MiB4.94 MiB+ 37.69 KiB
/wp-admin/options-discussion.php0.191 s0.186 s-0.005 s3.07 MiB3.17 MiB+ 102.11 KiB
/wp-admin/edit-comments.php0.188 s0.212 s+0.024 s3.18 MiB3.21 MiB+ 37.84 KiB
/0.275 s0.136 s-0.139 s2.92 MiB2.94 MiB+ 21.23 KiB
Average 0.324 s0.318 s-0.006 s3.45 MiB3.51 MiB+ 54.91 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.

Options wp_options 1

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide the "404 Error Page" Admin Menu