Does W3 Total Cache work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .
| 2 | Unrecognized messages in the PHP error log |
| No JavaScript exceptions | |
| All test pages loaded successfully | |
| No resource errors |
Memory usage: 522.59 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 version | 6.8.3 |
|---|---|
| PHP version | 8.1.12 |
| MySQL version | 10.6.10 |
| PHP memory limit | 512M |
| Last updated | |
|---|---|
| Active installs | 1,000,000+ |
| WordPress.org page | https://wordpress.org/plugins/w3-total-cache/ |
| Badges |
|
| 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=477a5b2970 |
| Aspect | after-activation |
| HTTP status | 200 |
| Load time | 0.645 s |
| Memory usage | 4.48 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.728 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.283 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.317 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.313 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.981 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.286 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.309 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.284 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.267 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.506 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.269 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.265 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.269 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.268 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| URL | /wp-admin/admin.php?page=w3tc_setup_guide |
|---|---|
| Aspect | menu-item |
| HTTP status | 200 |
| Load time | 0.252 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.251 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.278 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| 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 | 0.267 s |
| Memory usage | 4.27 MiB |
| JS errors | None |
| Resource errors | None |
| URL | / |
|---|---|
| Aspect | front-page |
| HTTP status | 200 |
| Load time | 0.272 s |
| Memory usage | 3.65 MiB |
| JS errors | None |
| Resource errors | None |
| URL | Load time | Memory usage | ||||
|---|---|---|---|---|---|---|
| Inactive | Active | Change | Inactive | Active | Change | |
| /wp-admin/index.php | 0.426 s | 0.500 s | +0.074 s | 3.51 MiB | 4.09 MiB | + 599.78 KiB |
| /wp-admin/edit.php | 0.232 s | 0.203 s | -0.029 s | 3.57 MiB | 4.18 MiB | + 620.19 KiB |
| /wp-admin/post-new.php | 0.949 s | 1.012 s | +0.063 s | 6.06 MiB | 6.64 MiB | + 593.45 KiB |
| /wp-admin/upload.php | 0.637 s | 0.571 s | -0.066 s | 3.52 MiB | 4.05 MiB | + 539 KiB |
| /wp-admin/options-writing.php | 0.248 s | 0.233 s | -0.015 s | 3.5 MiB | 4.01 MiB | + 521.63 KiB |
| /wp-admin/media-new.php | 0.311 s | 0.225 s | -0.086 s | 3.49 MiB | 4.01 MiB | + 529.83 KiB |
| /wp-admin/edit-tags.php?taxonomy=category | 0.233 s | 0.245 s | +0.012 s | 3.5 MiB | 4.03 MiB | + 540.5 KiB |
| /wp-admin/post-new.php?post_type=page | 0.649 s | 0.722 s | +0.073 s | 6.05 MiB | 6.63 MiB | + 591.93 KiB |
| /wp-admin/options-discussion.php | 0.464 s | 0.353 s | -0.111 s | 3.5 MiB | 4.01 MiB | + 518.13 KiB |
| /wp-admin/edit-comments.php | 0.469 s | 0.248 s | -0.221 s | 3.52 MiB | 4.05 MiB | + 537.73 KiB |
| / | 0.437 s | 0.411 s | -0.026 s | 3.5 MiB | 3.65 MiB | + 156.31 KiB |
| Average | 0.460 s | 0.429 s | -0.030 s | 3.98 MiB | 4.49 MiB | + 522.59 KiB |
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.
| Language | % | Lines of code | Comment lines | Files | |
|---|---|---|---|---|---|
| PHP | 90.3% | 111,426 | 51,756 | 633 | |
| JavaScript | 6.1% | 7,527 | 986 | 40 | |
| CSS | 3.1% | 3,857 | 85 | 19 | |
| Java | 0.2% | 231 | 77 | 1 | |
| Markdown | 0.1% | 108 | 0 | 2 | |
| INI | 0.1% | 84 | 16 | 6 | |
| SVG | 0.1% | 65 | 1 | 4 | |
| XML | 0.0% | 57 | 4 | 1 | |
| Total | 123,355 | 52,925 | 706 | ||
| Lines of code | 87,948 |
|---|---|
| Total complexity | 19,636 |
| Median class complexity | 15.0 |
| Median method complexity | 2.0 |
| Most complex class | wsdl |
| Most complex function | W3TCL\Minify\JSMinPlus::parseTree() |
| Classes | 559 |
|---|---|
| Methods | 4,870 |
| Functions | 78 |
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.
wp_options 6[30-Sep-2025 19:59:45 UTC] W3 Total Cache environment exception: Edit file <strong>/wp-config.php</strong> and add next lines:<textarea style="height: 100px; width: 100%;">/** Enable W3 Total Cache */
define('WP_CACHE', true); // Added by W3 Total Cache
</textarea><br />
[30-Sep-2025 19:59:45 UTC] W3 Total Cache environment exception: Edit file <strong>/wp-config.php</strong> and add next lines:<textarea style="height: 100px; width: 100%;">/** Enable W3 Total Cache */
define('WP_CACHE', true); // Added by W3 Total Cache
</textarea><br />