WP Fastest Cache

Does WP Fastest Cache work with WordPress 5.5 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: 109 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 version5.5
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=604e25d85c
Aspect after-activation
HTTP status 200
Load time 0.334 s
Memory usage 4 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 4.18 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 0.200 s
Memory usage 3.73 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.435 s0.322 s-0.113 s3.96 MiB4.12 MiB+ 160.95 KiB
/wp-admin/edit.php0.215 s0.227 s+0.012 s3.99 MiB4.08 MiB+ 92.5 KiB
/wp-admin/post-new.php1.504 s2.005 s+0.501 s5.81 MiB5.92 MiB+ 105.44 KiB
/wp-admin/upload.php0.853 s0.411 s-0.442 s3.82 MiB3.97 MiB+ 153.7 KiB
/wp-admin/options-writing.php0.163 s0.155 s-0.008 s3.9 MiB3.96 MiB+ 60.26 KiB
/wp-admin/media-new.php0.211 s0.188 s-0.023 s3.8 MiB3.96 MiB+ 156.37 KiB
/wp-admin/edit-tags.php?taxonomy=category0.189 s0.175 s-0.014 s3.91 MiB4 MiB+ 92.34 KiB
/wp-admin/post-new.php?post_type=page1.421 s1.359 s-0.062 s5.8 MiB5.9 MiB+ 97.99 KiB
/wp-admin/options-discussion.php0.305 s0.332 s+0.027 s3.81 MiB3.96 MiB+ 154.8 KiB
/wp-admin/edit-comments.php0.207 s0.225 s+0.018 s3.91 MiB4 MiB+ 90.34 KiB
/0.367 s0.270 s-0.097 s3.69 MiB3.73 MiB+ 34.27 KiB
Average 0.534 s0.515 s-0.018 s4.22 MiB4.33 MiB+ 109 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