W3 Total Cache 2.4.1

Does W3 Total Cache work with WordPress 6.3.1 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
37PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 506.41 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 version6.3.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 1,000,000+
WordPress.org page https://wordpress.org/plugins/w3-total-cache/
Badges

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Pages 20

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=w3-total-cache%2Fw3-total-cache.php&plugin_status=all&paged=1&s&_wpnonce=2d334bb053
Aspect after-activation
HTTP status 200
Load time 0.472 s
Memory usage 3.4 MiB
JS errors None
Resource errors None

Performance

Page screenshot: Performance
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_dashboard
Aspect menu-item
HTTP status 200
Load time 0.437 s
Memory usage 3.89 MiB
JS errors None
Resource errors None

Performance → Feature Showcase

Page screenshot: Performance  → Feature Showcase
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_feature_showcase
Aspect menu-item
HTTP status 200
Load time 0.264 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → General Settings

Page screenshot: Performance  → General Settings
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_general
Aspect menu-item
HTTP status 200
Load time 0.263 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Page Cache

Page screenshot: Performance  → Page Cache
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_pgcache
Aspect menu-item
HTTP status 200
Load time 0.249 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Minify

Page screenshot: Performance  → Minify
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_minify
Aspect menu-item
HTTP status 200
Load time 0.613 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Database Cache

Page screenshot: Performance  → Database Cache
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_dbcache
Aspect menu-item
HTTP status 200
Load time 0.243 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Object Cache

Page screenshot: Performance  → Object Cache
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_objectcache
Aspect menu-item
HTTP status 200
Load time 0.264 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Browser Cache

Page screenshot: Performance  → Browser Cache
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_browsercache
Aspect menu-item
HTTP status 200
Load time 0.297 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Cache Groups

Page screenshot: Performance  → Cache Groups
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_cachegroups
Aspect menu-item
HTTP status 200
Load time 0.396 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → CDN

Page screenshot: Performance  → CDN
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_cdn
Aspect menu-item
HTTP status 200
Load time 0.240 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Support

Page screenshot: Performance  → Support
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_support
Aspect menu-item
HTTP status 200
Load time 0.239 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Google PageSpeed

Page screenshot: Performance  → Google PageSpeed
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_pagespeed
Aspect menu-item
HTTP status 200
Load time 0.244 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → User Experience

Page screenshot: Performance  → User Experience
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_userexperience
Aspect menu-item
HTTP status 200
Load time 0.241 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Install

Page screenshot: Performance  → Install
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_install
Aspect menu-item
HTTP status 200
Load time 0.240 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Setup Guide

Page screenshot: Performance  → Setup Guide
URL /wp-admin/admin.php?page=w3tc_setup_guide
Aspect menu-item
HTTP status 200
Load time 0.212 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → About

Page screenshot: Performance  → About
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_about
Aspect menu-item
HTTP status 200
Load time 0.245 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Extensions

Page screenshot: Performance  → Extensions
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_extensions
Aspect menu-item
HTTP status 200
Load time 0.263 s
Memory usage 3.49 MiB
JS errors None
Resource errors None

Performance → Statistics

Page screenshot: Performance  → Statistics
URL /wp-admin/admin.php?page=w3tc_setup_guide
Requested URL /wp-admin/admin.php?page=w3tc_stats
Aspect menu-item
HTTP status 200
Load time 0.247 s
Memory usage 3.49 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 0.229 s
Memory usage 3.34 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.326 s0.458 s+0.132 s2.82 MiB3.35 MiB+ 534.55 KiB
/wp-admin/edit.php0.201 s0.183 s-0.018 s2.85 MiB3.37 MiB+ 531.91 KiB
/wp-admin/post-new.php0.835 s1.532 s+0.697 s5.21 MiB5.8 MiB+ 603.12 KiB
/wp-admin/upload.php0.638 s0.470 s-0.168 s2.77 MiB3.3 MiB+ 549.6 KiB
/wp-admin/options-writing.php0.287 s0.193 s-0.094 s2.76 MiB3.24 MiB+ 493.83 KiB
/wp-admin/media-new.php0.426 s0.269 s-0.157 s2.74 MiB3.23 MiB+ 503.75 KiB
/wp-admin/edit-tags.php?taxonomy=category0.180 s0.183 s+0.003 s2.76 MiB3.26 MiB+ 517.77 KiB
/wp-admin/post-new.php?post_type=page0.761 s0.610 s-0.151 s5.21 MiB5.79 MiB+ 598.7 KiB
/wp-admin/options-discussion.php0.221 s0.265 s+0.044 s2.75 MiB3.24 MiB+ 503.92 KiB
/wp-admin/edit-comments.php0.427 s0.211 s-0.216 s2.78 MiB3.28 MiB+ 516.45 KiB
/0.338 s0.209 s-0.129 s3.13 MiB3.34 MiB+ 216.93 KiB
Average 0.422 s0.417 s-0.005 s3.25 MiB3.75 MiB+ 506.41 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
PHP92.2%120,71046,590806
JavaScript4.9%6,37165941
CSS2.6%3,41113220
Java0.2%231771
Markdown0.1%10802
INI0.1%84166
XML0.0%5741
SVG0.0%404
Total 130,976 47,478 881

PHP Code Analysis | More results »

Lines of code 98,404
Total complexity 21,516
Median class complexity 12.0
Median method complexity 1.0
Most complex class wsdl
Most complex function W3TCL\Minify\JSMinPlus::parseTree()
Classes 708
Methods 5,966
Functions 127

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.

Options wp_options 2

PHP Error Log 37 lines

[29-Aug-2023 17:14:45 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:46 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:46 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:47 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:48 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:48 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:49 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:50 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:50 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:51 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:51 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:52 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:52 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:53 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:53 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:54 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:54 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:55 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:55 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:56 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:56 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:57 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:57 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:58 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:58 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:59 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:14:59 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:00 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:00 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:01 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:02 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:02 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:03 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:03 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:04 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:04 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
[29-Aug-2023 17:15:15 UTC] PHP Deprecated:  str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /wp-content/plugins/w3-total-cache/Generic_Plugin_Admin.php on line 1080
See also: All tests for this plugin, How to Hide W3 Total Cache Admin Menus