404page – your smart custom 404 error page 3.1

Does "404page - your smart custom 404 error page" work with WordPress 4.8.2 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: 31.39 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 version4.8.2
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?activate=true&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=7b85ff1291
Aspect after-activation
HTTP status 200 OK
Load time 0.130 s
Memory usage 2.87 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 OK
Load time 0.031 s
Memory usage 2.84 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 OK
Load time 0.101 s
Memory usage 2.61 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.160 s0.101 s-0.059 s2.9 MiB2.93 MiB+ 31.41 KiB
/wp-admin/edit.php0.091 s0.135 s+0.044 s2.91 MiB2.95 MiB+ 39.38 KiB
/wp-admin/post-new.php0.190 s0.078 s-0.112 s2.99 MiB3.03 MiB+ 38.55 KiB
/wp-admin/upload.php0.093 s0.150 s+0.057 s2.82 MiB2.85 MiB+ 31.29 KiB
/wp-admin/options-writing.php0.077 s0.092 s+0.015 s2.81 MiB2.84 MiB+ 31.24 KiB
/wp-admin/media-new.php0.057 s0.105 s+0.048 s2.8 MiB2.83 MiB+ 31.29 KiB
/wp-admin/edit-tags.php?taxonomy=category0.116 s0.131 s+0.015 s2.84 MiB2.87 MiB+ 31.29 KiB
/wp-admin/post-new.php?post_type=page0.209 s0.224 s+0.015 s2.98 MiB3.01 MiB+ 31.29 KiB
/wp-admin/options-discussion.php0.078 s0.100 s+0.022 s2.8 MiB2.83 MiB+ 31.24 KiB
/wp-admin/edit-comments.php0.098 s0.125 s+0.027 s2.84 MiB2.88 MiB+ 32.54 KiB
/0.093 s0.124 s+0.031 s2.59 MiB2.61 MiB+ 15.81 KiB
Average 0.115 s0.124 s+0.009 s2.84 MiB2.87 MiB+ 31.39 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