WP Fastest Cache

Does WP Fastest Cache work with WordPress 5.6 and PHP 7.4.8? 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: 74.59 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 version5.6
PHP version7.4.8
MySQL version8.0.21
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=03303aa85c
Aspect after-activation
HTTP status 200
Load time 0.276 s
Memory usage 2.75 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 0.439 s
Memory usage 2.87 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 0.244 s
Memory usage 2.68 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.261 s0.274 s+0.013 s2.78 MiB2.86 MiB+ 84.16 KiB
/wp-admin/edit.php0.174 s0.226 s+0.052 s2.82 MiB2.9 MiB+ 85.21 KiB
/wp-admin/post-new.php0.875 s0.771 s-0.104 s4.92 MiB5.01 MiB+ 95.73 KiB
/wp-admin/upload.php0.469 s0.445 s-0.024 s2.65 MiB2.73 MiB+ 78.81 KiB
/wp-admin/options-writing.php0.155 s0.177 s+0.022 s2.67 MiB2.71 MiB+ 45.8 KiB
/wp-admin/media-new.php0.232 s0.204 s-0.028 s2.63 MiB2.71 MiB+ 79.24 KiB
/wp-admin/edit-tags.php?taxonomy=category0.190 s0.193 s+0.003 s2.67 MiB2.75 MiB+ 81.71 KiB
/wp-admin/post-new.php?post_type=page1.106 s0.584 s-0.522 s4.91 MiB4.99 MiB+ 86.69 KiB
/wp-admin/options-discussion.php0.305 s0.337 s+0.032 s2.63 MiB2.71 MiB+ 78.93 KiB
/wp-admin/edit-comments.php0.246 s0.270 s+0.024 s2.73 MiB2.81 MiB+ 79.09 KiB
/0.267 s0.252 s-0.015 s2.66 MiB2.68 MiB+ 25.09 KiB
Average 0.389 s0.339 s-0.050 s3.1 MiB3.17 MiB+ 74.59 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