404page – your smart custom 404 error page 5

Does "404page - your smart custom 404 error page" work with WordPress 4.9.6 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: 50.02 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 version4.9.6
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=67ddf009d1
Aspect after-activation
HTTP status 200 OK
Load time 0.141 s
Memory usage 3.07 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 0.033 s
Memory usage 3 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 0.097 s
Memory usage 2.81 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.145 s0.115 s-0.030 s3.09 MiB3.13 MiB+ 35.68 KiB
/wp-admin/edit.php0.086 s0.090 s+0.004 s3.12 MiB3.15 MiB+ 33.15 KiB
/wp-admin/post-new.php0.221 s0.196 s-0.025 s3.19 MiB3.23 MiB+ 40.32 KiB
/wp-admin/upload.php0.090 s0.116 s+0.026 s2.96 MiB2.99 MiB+ 33.06 KiB
/wp-admin/options-writing.php0.073 s0.066 s-0.007 s2.95 MiB2.98 MiB+ 33.02 KiB
/wp-admin/media-new.php0.052 s0.080 s+0.028 s2.94 MiB2.97 MiB+ 33.06 KiB
/wp-admin/edit-tags.php?taxonomy=category0.107 s0.105 s-0.002 s2.98 MiB3.07 MiB+ 97.06 KiB
/wp-admin/post-new.php?post_type=page0.168 s0.144 s-0.024 s3.19 MiB3.22 MiB+ 33.06 KiB
/wp-admin/options-discussion.php0.078 s0.074 s-0.004 s2.94 MiB2.97 MiB+ 33.02 KiB
/wp-admin/edit-comments.php0.097 s0.092 s-0.005 s2.98 MiB3.08 MiB+ 98.31 KiB
/0.083 s0.122 s+0.039 s2.73 MiB2.81 MiB+ 80.48 KiB
Average 0.109 s0.109 s-0.000 s3.01 MiB3.05 MiB+ 50.02 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