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W3 Total Cache 2.8.12

Does W3 Total Cache work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on 2025-09-30 19:59:25 UTC.

Summary

Pages 20

Plugins ‹ Test site — WordPress

Performance

Performance → Feature Showcase

Performance → General Settings

Performance → Page Cache

Performance → Minify

Performance → Database Cache

Performance → Object Cache

Performance → Browser Cache

Performance → Cache Groups

Performance → CDN

Performance → Support

Performance → Google PageSpeed

Performance → User Experience

Performance → Install

Performance → Setup Guide

Performance → About

Performance → Extensions

Performance → Statistics

Test site – Just another WordPress site

Benchmark

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

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.

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

PHP Code Analysis | More results »

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 6

• w3tc_cached_notices
• w3tc_extensions_hooks
• w3tc_install_date
• w3tc_post_update_admin_tasks_ran_versions
• w3tc_post_update_generic_tasks_ran_versions
• w3tc_state

PHP Error Log 6 lines

[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(&#039;WP_CACHE&#039;, 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(&#039;WP_CACHE&#039;, true); // Added by W3 Total Cache
</textarea><br />

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