WP Fastest Cache

Does WP Fastest Cache work with WordPress 5.4.1 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: 120.69 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 version5.4.1
PHP version7.2.16
MySQL version8.0.15
PHP memory limit256M
Plugin Info
Last updated
Active installs 1,000,000+
WordPress.org page https://wordpress.org/plugins/wp-fastest-cache/

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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=wp-fastest-cache%2FwpFastestCache.php&plugin_status=all&paged=1&s&_wpnonce=8dbe785336
Aspect after-activation
HTTP status 200
Load time 0.401 s
Memory usage 3.66 MiB
JS errors None
Resource errors None

WP Fastest Cache

Page screenshot: WP Fastest Cache
URL /wp-admin/admin.php?page=wpfastestcacheoptions
Aspect menu-item
HTTP status 200
Load time 1.061 s
Memory usage 3.86 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 0.354 s
Memory usage 3.4 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.336 s0.278 s-0.058 s3.64 MiB3.79 MiB+ 150.33 KiB
/wp-admin/edit.php0.223 s0.220 s-0.003 s3.66 MiB3.81 MiB+ 151.41 KiB
/wp-admin/post-new.php1.212 s1.527 s+0.315 s5.43 MiB5.59 MiB+ 160.34 KiB
/wp-admin/upload.php0.494 s0.450 s-0.044 s3.5 MiB3.64 MiB+ 148.6 KiB
/wp-admin/options-writing.php0.286 s0.173 s-0.113 s3.58 MiB3.63 MiB+ 55.16 KiB
/wp-admin/media-new.php0.348 s0.205 s-0.143 s3.48 MiB3.63 MiB+ 151.27 KiB
/wp-admin/edit-tags.php?taxonomy=category0.193 s0.205 s+0.012 s3.58 MiB3.67 MiB+ 86.62 KiB
/wp-admin/post-new.php?post_type=page1.076 s1.093 s+0.017 s5.42 MiB5.57 MiB+ 152.9 KiB
/wp-admin/options-discussion.php0.348 s0.370 s+0.022 s3.48 MiB3.63 MiB+ 149.71 KiB
/wp-admin/edit-comments.php0.203 s0.209 s+0.006 s3.59 MiB3.73 MiB+ 149.25 KiB
/0.355 s0.230 s-0.125 s3.43 MiB3.4 MiB- 27.98 KiB
Average 0.461 s0.451 s-0.010 s3.89 MiB4.01 MiB+ 120.69 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 "WP Fastest Cache" Admin Menu