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W3 Total Cache 2.10.5

Does W3 Total Cache work with WordPress 7.1 and PHP 8.1.12? A smoke test was performed on 2026-08-19 21:47:51 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	1.446 s	1.491 s	+0.045 s	4.22 MiB	4.8 MiB	+ 584.77 KiB
/wp-admin/edit.php	0.582 s	0.583 s	+0.001 s	4.28 MiB	4.85 MiB	+ 584.38 KiB
/wp-admin/post-new.php	2.436 s	2.616 s	+0.180 s	6.78 MiB	7.48 MiB	+ 719.6 KiB
/wp-admin/upload.php	1.370 s	1.817 s	+0.447 s	4.24 MiB	4.8 MiB	+ 571.42 KiB
/wp-admin/options-writing.php	0.636 s	0.577 s	-0.059 s	4.22 MiB	4.78 MiB	+ 571.66 KiB
/wp-admin/media-new.php	0.975 s	1.116 s	+0.141 s	4.21 MiB	4.77 MiB	+ 570.88 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.582 s	0.588 s	+0.006 s	4.22 MiB	4.79 MiB	+ 584.72 KiB
/wp-admin/post-new.php?post_type=page	2.078 s	2.338 s	+0.260 s	6.76 MiB	7.47 MiB	+ 735.37 KiB
/wp-admin/options-discussion.php	1.034 s	0.971 s	-0.063 s	4.22 MiB	4.78 MiB	+ 563.86 KiB
/wp-admin/edit-comments.php	0.654 s	0.567 s	-0.087 s	4.24 MiB	4.8 MiB	+ 567.68 KiB
/	0.610 s	0.239 s	-0.371 s	4.6 MiB	4.8 MiB	+ 203.13 KiB
Average	1.128 s	1.173 s	+0.045 s	4.73 MiB	5.28 MiB	+ 568.86 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	85.9%	108,166	53,992	626
	JavaScript	10.5%	13,225	1,304	40
	CSS	3.2%	4,008	93	19
	Java	0.2%	231	77	1
	Markdown	0.1%	111	0	3
	INI	0.1%	84	16	6
	XML	0.0%	57	4	1
	HTML	0.0%	7	0	1
	SVG	0.0%	4	0	4
Total			125,893	55,486	701

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

[19-Aug-2026 21:48:19 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 />
[19-Aug-2026 21:48:19 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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