Report - Proxy Cache Purge 5.6.5

Does Proxy Cache Purge work with WordPress 6.9.1 and PHP 8.1.12? A smoke test was performed on 2026-02-25 14:55:36 UTC.

Summary

Errors

	No PHP errors, warnings or notices
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors
	Looks good! No problems were detected.

Performance

Memory usage: 89.2 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 version	6.9.1
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-05-27T17:13:00+00:00
Active installs	40,000+
WordPress.org page	https://wordpress.org/plugins/varnish-http-purge/
Badges	Get badge code

Pages 5

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=varnish-http-purge%2Fvarnish-http-purge.php&plugin_status=all&paged=1&s&_wpnonce=39b6432934
Aspect	after-activation
HTTP status	200
Load time	0.392 s
Memory usage	3.82 MiB
JS errors	None
Resource errors	None

Proxy Cache

URL	/wp-admin/admin.php?page=varnish-page
Aspect	menu-item
HTTP status	200
Load time	0.350 s
Memory usage	3.79 MiB
JS errors	None
Resource errors	None

Proxy Cache → Check Caching

URL	/wp-admin/admin.php?page=varnish-check-caching
Aspect	menu-item
HTTP status	200
Load time	0.281 s
Memory usage	3.79 MiB
JS errors	None
Resource errors	None

Proxy Cache → Check Caching → Header Analysis

URL	/wp-admin/admin.php?page=varnish-check-caching
Aspect	menu-item-tab
HTTP status	200
Load time	0.266 s
Memory usage	3.79 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.255 s
Memory usage	4.16 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.401 s	0.461 s	+0.060 s	3.78 MiB	3.87 MiB	+ 100.59 KiB
/wp-admin/edit.php	0.370 s	0.310 s	-0.060 s	3.78 MiB	3.87 MiB	+ 92.77 KiB
/wp-admin/post-new.php	0.893 s	0.877 s	-0.016 s	6.31 MiB	6.43 MiB	+ 122.38 KiB
/wp-admin/upload.php	0.625 s	0.543 s	-0.082 s	3.74 MiB	3.81 MiB	+ 75.45 KiB
/wp-admin/options-writing.php	0.327 s	0.315 s	-0.012 s	3.71 MiB	3.79 MiB	+ 79.44 KiB
/wp-admin/media-new.php	0.517 s	0.392 s	-0.125 s	3.7 MiB	3.79 MiB	+ 87.63 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.333 s	0.314 s	-0.019 s	3.72 MiB	3.81 MiB	+ 98.3 KiB
/wp-admin/post-new.php?post_type=page	0.700 s	0.706 s	+0.006 s	6.3 MiB	6.41 MiB	+ 119.87 KiB
/wp-admin/options-discussion.php	0.331 s	0.458 s	+0.127 s	3.71 MiB	3.79 MiB	+ 75.94 KiB
/wp-admin/edit-comments.php	0.326 s	0.339 s	+0.013 s	3.74 MiB	3.81 MiB	+ 75.44 KiB
/	0.282 s	0.348 s	+0.066 s	4.11 MiB	4.16 MiB	+ 53.41 KiB
Average	0.464 s	0.460 s	-0.004 s	4.24 MiB	4.32 MiB	+ 89.2 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
	PHP	92.2%	3,882	1,740	7
	JSON	7.3%	306	0	3
	CSS	0.5%	21	3	1
Total			4,209	1,743	11

PHP Code Analysis | More results »

Lines of code	3,966
Total complexity	869
Median class complexity	193.0
Median method complexity	4.0
Most complex class	VarnishPurger
Most complex function	VarnishPurger::purge_post()

Classes	5
Methods	111
Functions	2

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` 5

vhp_varnish_debug
vhp_varnish_devmode
vhp_varnish_ip
vhp_varnish_max_posts_before_all
vhp_varnish_url

PHP Error Log

The log file is empty.

Proxy Cache Purge 5.6.5