WP Fastest Cache

Does WP Fastest Cache work with WordPress 5.4 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: 97.42 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
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=3f88335c63
Aspect after-activation
HTTP status 200
Load time 0.497 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 0.464 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 0.361 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.php0.304 s0.278 s-0.026 s3.64 MiB3.79 MiB+ 150.36 KiB
/wp-admin/edit.php0.241 s0.242 s+0.001 s3.66 MiB3.75 MiB+ 87.41 KiB
/wp-admin/post-new.php1.268 s1.648 s+0.380 s5.43 MiB5.52 MiB+ 96.34 KiB
/wp-admin/upload.php0.544 s0.443 s-0.101 s3.5 MiB3.64 MiB+ 148.6 KiB
/wp-admin/options-writing.php0.394 s0.199 s-0.195 s3.58 MiB3.63 MiB+ 55.16 KiB
/wp-admin/media-new.php0.217 s0.186 s-0.031 s3.48 MiB3.63 MiB+ 151.27 KiB
/wp-admin/edit-tags.php?taxonomy=category0.193 s0.184 s-0.009 s3.58 MiB3.67 MiB+ 86.62 KiB
/wp-admin/post-new.php?post_type=page1.135 s1.143 s+0.008 s5.42 MiB5.5 MiB+ 88.9 KiB
/wp-admin/options-discussion.php0.245 s0.271 s+0.026 s3.48 MiB3.63 MiB+ 149.71 KiB
/wp-admin/edit-comments.php0.224 s0.212 s-0.012 s3.59 MiB3.67 MiB+ 85.25 KiB
/0.325 s0.249 s-0.076 s3.43 MiB3.4 MiB- 27.98 KiB
Average 0.463 s0.460 s-0.003 s3.89 MiB3.99 MiB+ 97.42 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