404page – your smart custom 404 error page 8

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: 51.19 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=b4740fc8f9
Aspect after-activation
HTTP status 200
Load time 0.210 s
Memory usage 3.2 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 0.208 s
Memory usage 3.28 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 0.232 s
Memory usage 2.93 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.225 s0.193 s-0.032 s3.22 MiB3.32 MiB+ 100.74 KiB
/wp-admin/edit.php0.197 s0.177 s-0.020 s3.25 MiB3.29 MiB+ 34.84 KiB
/wp-admin/post-new.php0.959 s0.912 s-0.047 s4.92 MiB4.96 MiB+ 41.23 KiB
/wp-admin/upload.php0.390 s0.338 s-0.052 s3.15 MiB3.18 MiB+ 34.13 KiB
/wp-admin/options-writing.php0.169 s0.161 s-0.008 s3.14 MiB3.17 MiB+ 34.39 KiB
/wp-admin/media-new.php0.163 s0.230 s+0.067 s3.07 MiB3.16 MiB+ 98.44 KiB
/wp-admin/edit-tags.php?taxonomy=category0.147 s0.182 s+0.035 s3.17 MiB3.2 MiB+ 35.38 KiB
/wp-admin/post-new.php?post_type=page0.824 s0.879 s+0.055 s4.9 MiB4.94 MiB+ 33.97 KiB
/wp-admin/options-discussion.php0.283 s0.234 s-0.049 s3.07 MiB3.17 MiB+ 98.39 KiB
/wp-admin/edit-comments.php0.187 s0.213 s+0.026 s3.18 MiB3.21 MiB+ 34.13 KiB
/0.480 s0.190 s-0.290 s2.92 MiB2.94 MiB+ 17.52 KiB
Average 0.366 s0.337 s-0.029 s3.45 MiB3.5 MiB+ 51.19 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