Report - WP Compress – Instant Performance & Speed Optimization 6.60.12

Does "WP Compress – Instant Performance & Speed Optimization" work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-03 14:45:37 UTC.

Summary

Errors

2	PHP deprecation warnings
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 251.33 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.030 seconds
The average page load time increased by this amount after activating the plugin.

Environment

WordPress version	6.9
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-11-26T16:29:00+00:00
Active installs	10,000+
WordPress.org page	https://wordpress.org/plugins/wp-compress-image-optimizer/
Badges	Get badge code

Pages 3

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=wp-compress-image-optimizer%2Fwp-compress.php&plugin_status=all&paged=1&s&_wpnonce=52162ce85c
Aspect	after-activation
HTTP status	200
Load time	3.933 s
Memory usage	12.4 MiB
JS errors	None
Resource errors	None

Settings → WP Compress

URL	/wp-admin/options-general.php?page=wpcompress
Aspect	menu-item
HTTP status	200
Load time	1.281 s
Memory usage	4.57 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.435 s
Memory usage	4.23 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.503 s	0.555 s	+0.052 s	3.77 MiB	4.08 MiB	+ 317.52 KiB
/wp-admin/edit.php	0.380 s	0.421 s	+0.041 s	3.78 MiB	4.08 MiB	+ 304.59 KiB
/wp-admin/post-new.php	0.900 s	0.870 s	-0.030 s	6.3 MiB	6.71 MiB	+ 411.96 KiB
/wp-admin/upload.php	0.574 s	0.689 s	+0.115 s	3.74 MiB	4.01 MiB	+ 280.4 KiB
/wp-admin/options-writing.php	0.523 s	0.360 s	-0.163 s	3.71 MiB	3.88 MiB	+ 175.79 KiB
/wp-admin/media-new.php	0.534 s	0.590 s	+0.056 s	3.7 MiB	3.86 MiB	+ 167.55 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.357 s	0.363 s	+0.006 s	3.71 MiB	3.94 MiB	+ 229.21 KiB
/wp-admin/post-new.php?post_type=page	0.756 s	0.784 s	+0.028 s	6.29 MiB	6.63 MiB	+ 340.44 KiB
/wp-admin/options-discussion.php	0.408 s	0.621 s	+0.213 s	3.71 MiB	3.88 MiB	+ 173.74 KiB
/wp-admin/edit-comments.php	0.363 s	0.429 s	+0.066 s	3.73 MiB	3.96 MiB	+ 229.7 KiB
/	0.309 s	0.259 s	-0.050 s	4.1 MiB	4.23 MiB	+ 133.73 KiB
Average	0.510 s	0.540 s	+0.030 s	4.23 MiB	4.48 MiB	+ 251.33 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

LESS

JavaScript

Language		%	Lines of code	Comment lines	Files
	PHP	51.0%	38,860	5,155	142
	LESS	23.2%	17,701	249	12
	JavaScript	17.5%	13,353	3,192	41
	SVG	4.5%	3,468	4	210
	Sass	1.9%	1,476	20	2
	CSS	0.7%	558	80	23
	JSON	0.6%	472	0	3
	HTML	0.5%	345	1	1
Total			76,233	8,701	434

PHP Code Analysis | More results »

Lines of code	29,900
Total complexity	7,619
Median class complexity	37.0
Median method complexity	3.0
Most complex class	wps_cdn_rewrite
Most complex function	wps_rewriteLogic::replaceImageTagsDo()

Classes	67
Methods	1,072
Functions	16

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` 7

wpc_core_version
wpc_version
wpc-inline
wpc-warmup-selector
wps_ic
wps_ic_geo_locate_v2
wps_ic_settings

Capabilities 1

manage_wpc_settings

PHP Error Log 2 lines

[03-Dec-2025 14:45:58 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[03-Dec-2025 14:45:58 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131

WP Compress – Instant Performance & Speed Optimization 6.60.12