Report - Proxy Cache Purge 5.6.0

Does Proxy Cache Purge work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2026-01-03 18:27:00 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: 87.53 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
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=73c049296f
Aspect	after-activation
HTTP status	200
Load time	0.355 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	0.360 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	0.252 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	0.229 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	0.193 s
Memory usage	4.17 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.393 s	0.433 s	+0.040 s	3.78 MiB	3.87 MiB	+ 98.88 KiB
/wp-admin/edit.php	0.343 s	0.284 s	-0.059 s	3.78 MiB	3.87 MiB	+ 91.2 KiB
/wp-admin/post-new.php	0.810 s	0.789 s	-0.021 s	6.31 MiB	6.42 MiB	+ 120.71 KiB
/wp-admin/upload.php	0.616 s	0.392 s	-0.224 s	3.74 MiB	3.81 MiB	+ 73.79 KiB
/wp-admin/options-writing.php	0.320 s	0.298 s	-0.022 s	3.71 MiB	3.79 MiB	+ 77.78 KiB
/wp-admin/media-new.php	0.489 s	0.327 s	-0.162 s	3.7 MiB	3.79 MiB	+ 85.98 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.313 s	0.281 s	-0.032 s	3.72 MiB	3.81 MiB	+ 96.65 KiB
/wp-admin/post-new.php?post_type=page	0.807 s	0.690 s	-0.117 s	6.3 MiB	6.41 MiB	+ 118.21 KiB
/wp-admin/options-discussion.php	0.371 s	0.350 s	-0.021 s	3.71 MiB	3.79 MiB	+ 74.28 KiB
/wp-admin/edit-comments.php	0.320 s	0.315 s	-0.005 s	3.73 MiB	3.81 MiB	+ 73.78 KiB
/	0.246 s	0.181 s	-0.065 s	4.12 MiB	4.17 MiB	+ 51.62 KiB
Average	0.457 s	0.395 s	-0.063 s	4.24 MiB	4.32 MiB	+ 87.53 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	92.4%	3,959	1,726	7
	JSON	7.1%	306	0	3
	CSS	0.5%	21	3	1
Total			4,286	1,729	11

PHP Code Analysis | More results »

Lines of code	4,043
Total complexity	857
Median class complexity	194.0
Median method complexity	4.0
Most complex class	VarnishPurger
Most complex function	VarnishPurger::purge_post()

Classes	5
Methods	109
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 5.6.0