WP REST Cache 2024.1.1

Does WP REST Cache work with WordPress 6.4.3 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
23PHP warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 90.68 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.

Environment
WordPress version6.4.3
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 10,000+
WordPress.org page https://wordpress.org/plugins/wp-rest-cache/
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Pages 5

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-rest-cache%2Fwp-rest-cache.php&plugin_status=all&paged=1&s&_wpnonce=4705056a1c
Aspect after-activation
HTTP status 200
Load time 0.455 s
Memory usage 3.75 MiB
JS errors None
Resource errors None

Settings → WP REST Cache

Page screenshot: Settings → WP REST Cache
URL /wp-admin/options-general.php?page=wp-rest-cache
Aspect menu-item
HTTP status 200
Load time 0.167 s
Memory usage 3.47 MiB
JS errors None
Resource errors None

Settings → WP REST Cache → Endpoint API Caches

Page screenshot: Settings → WP REST Cache → Endpoint API Caches
URL /wp-admin/options-general.php?page=wp-rest-cache&sub=endpoint-api
Aspect menu-item-tab
HTTP status 200
Load time 0.163 s
Memory usage 3.41 MiB
JS errors None
Resource errors None

Settings → WP REST Cache → Clear Caches

Page screenshot: Settings → WP REST Cache → Clear Caches
URL /wp-admin/options-general.php?page=wp-rest-cache&sub=clear-cache
Aspect menu-item-tab
HTTP status 200
Load time 0.178 s
Memory usage 3.43 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.214 s
Memory usage 3.39 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.367 s0.330 s-0.037 s3.38 MiB3.48 MiB+ 103.05 KiB
/wp-admin/edit.php0.318 s0.214 s-0.104 s3.41 MiB3.51 MiB+ 102.39 KiB
/wp-admin/post-new.php0.812 s0.629 s-0.183 s5.46 MiB5.56 MiB+ 107.38 KiB
/wp-admin/upload.php0.539 s0.460 s-0.079 s3.33 MiB3.41 MiB+ 86.55 KiB
/wp-admin/options-writing.php0.220 s0.220 s+0.000 s3.32 MiB3.4 MiB+ 79.14 KiB
/wp-admin/media-new.php0.306 s0.265 s-0.041 s3.3 MiB3.39 MiB+ 99.04 KiB
/wp-admin/edit-tags.php?taxonomy=category0.202 s0.204 s+0.002 s3.31 MiB3.42 MiB+ 104.21 KiB
/wp-admin/post-new.php?post_type=page0.774 s0.544 s-0.230 s5.45 MiB5.55 MiB+ 106.11 KiB
/wp-admin/options-discussion.php0.260 s0.320 s+0.060 s3.3 MiB3.39 MiB+ 87.05 KiB
/wp-admin/edit-comments.php0.287 s0.234 s-0.053 s3.34 MiB3.42 MiB+ 86.1 KiB
/0.260 s0.191 s-0.069 s3.36 MiB3.39 MiB+ 36.51 KiB
Average 0.395 s0.328 s-0.067 s3.72 MiB3.81 MiB+ 90.68 KiB

Code Statistics

Note: Third-party libraries and minified JS/CSS files are excluded from these statistics where possible, so the numbers you see here may be lower than those reported by other tools.

PHP
Language % Lines of code Comment lines Files
PHP99.8%2,1681,71026
CSS0.2%401
Total 2,172 1,710 27

PHP Code Analysis | More results »

Lines of code 1,796
Total complexity 402
Median class complexity 7.5
Median method complexity 2.0
Most complex class WP_Rest_Cache_Plugin\Includes\Caching\Caching
Most complex function WP_Rest_Cache_Plugin\Includes\API\Endpoint_Api::skip_caching()
Classes 16
Methods 123
Functions 0

Additions

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.

Database Tables 2

Options wp_options 8

PHP Error Log 23 lines

[06-Mar-2024 14:42:37 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:37 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:38 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:38 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:39 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:40 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:42 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:42 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:42 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:42 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:45 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:45 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:46 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:46 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:46 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:46 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:47 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:49 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:49 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:50 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:50 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:51 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
[06-Mar-2024 14:42:51 UTC] PHP Warning:  copy(/wp-content/mu-plugins/wp-rest-cache.php): Failed to open stream: Permission denied in /wp-admin/includes/class-wp-filesystem-direct.php on line 309
See also: All tests for this plugin, How to Hide the "WP REST Cache" Admin Menu