WP Fastest Cache

Does WP Fastest Cache work with WordPress 5.4.2 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: 122.73 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 version5.4.2
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=55c5648f38
Aspect after-activation
HTTP status 200
Load time 0.286 s
Memory usage 3.67 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 0.440 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 0.213 s
Memory usage 3.41 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.319 s0.307 s-0.012 s3.64 MiB3.79 MiB+ 152.39 KiB
/wp-admin/edit.php0.231 s0.313 s+0.082 s3.67 MiB3.82 MiB+ 153.44 KiB
/wp-admin/post-new.php1.209 s1.407 s+0.198 s5.43 MiB5.59 MiB+ 162.38 KiB
/wp-admin/upload.php0.575 s0.420 s-0.155 s3.5 MiB3.65 MiB+ 150.63 KiB
/wp-admin/options-writing.php0.369 s0.173 s-0.196 s3.58 MiB3.64 MiB+ 57.2 KiB
/wp-admin/media-new.php0.210 s0.208 s-0.002 s3.48 MiB3.63 MiB+ 153.3 KiB
/wp-admin/edit-tags.php?taxonomy=category0.163 s0.204 s+0.041 s3.58 MiB3.67 MiB+ 88.65 KiB
/wp-admin/post-new.php?post_type=page1.030 s1.020 s-0.010 s5.42 MiB5.57 MiB+ 154.93 KiB
/wp-admin/options-discussion.php0.338 s0.246 s-0.092 s3.48 MiB3.63 MiB+ 151.74 KiB
/wp-admin/edit-comments.php0.207 s0.201 s-0.006 s3.59 MiB3.74 MiB+ 151.28 KiB
/0.578 s0.283 s-0.295 s3.43 MiB3.41 MiB- 25.95 KiB
Average 0.475 s0.435 s-0.041 s3.89 MiB4.01 MiB+ 122.73 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