404page – your smart custom 404 error page 11.1.4

Does "404page - your smart custom 404 error page" work with WordPress 5.3.2 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: 99.63 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 version5.3.2
PHP version7.2.16
MySQL version8.0.15
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=a8cbde7132
Aspect after-activation
HTTP status 200
Load time 0.383 s
Memory usage 3.63 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 0.288 s
Memory usage 3.62 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 0.203 s
Memory usage 3.33 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.321 s0.243 s-0.078 s3.61 MiB3.74 MiB+ 125.25 KiB
/wp-admin/edit.php0.230 s0.211 s-0.019 s3.64 MiB3.77 MiB+ 125.25 KiB
/wp-admin/post-new.php1.280 s1.535 s+0.255 s5.36 MiB5.48 MiB+ 123.23 KiB
/wp-admin/upload.php0.565 s0.412 s-0.153 s3.48 MiB3.6 MiB+ 124.12 KiB
/wp-admin/options-writing.php0.161 s0.155 s-0.006 s3.56 MiB3.59 MiB+ 30.63 KiB
/wp-admin/media-new.php0.215 s0.224 s+0.009 s3.46 MiB3.58 MiB+ 124.29 KiB
/wp-admin/edit-tags.php?taxonomy=category0.327 s0.191 s-0.136 s3.56 MiB3.62 MiB+ 61.2 KiB
/wp-admin/post-new.php?post_type=page1.285 s1.434 s+0.149 s5.35 MiB5.46 MiB+ 116.41 KiB
/wp-admin/options-discussion.php0.255 s0.256 s+0.001 s3.46 MiB3.58 MiB+ 124.55 KiB
/wp-admin/edit-comments.php0.302 s0.217 s-0.085 s3.57 MiB3.69 MiB+ 124.1 KiB
/0.302 s0.206 s-0.096 s3.32 MiB3.33 MiB+ 16.84 KiB
Average 0.477 s0.462 s-0.014 s3.85 MiB3.95 MiB+ 99.63 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