Report - WebP Express 0.25.3

Does WebP Express work with WordPress 5.9.3 and PHP 7.4.8? A smoke test was performed on 2022-05-04 11:04:36 UTC.

Summary

Errors

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

Performance

Memory usage: 28.25 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	5.9.3
PHP version	7.4.8
MySQL version	8.0.21
PHP memory limit	256M

Plugin Info

Last updated	2026-06-19T13:12:00+00:00
Active installs	300,000+
WordPress.org page	https://wordpress.org/plugins/webp-express/
Badges	Get badge code

Pages 4

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=webp-express%2Fwebp-express.php&plugin_status=all&paged=1&s&_wpnonce=0fb3ae5ff1
Aspect	after-activation
HTTP status	200
Load time	0.273 s
Memory usage	3.34 MiB
JS errors	None
Resource errors	None

Media → WebP Express

URL	/wp-admin/upload.php?page=webp_express_conversion_page
Aspect	menu-item
HTTP status	200
Load time	0.523 s
Memory usage	3.26 MiB
JS errors	None
Resource errors	None

Settings → WebP Express

URL	/wp-admin/options-general.php?page=webp_express_settings_page
Aspect	menu-item
HTTP status	200
Load time	1.489 s
Memory usage	4.42 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.204 s
Memory usage	3.36 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.358 s	0.279 s	-0.079 s	3.37 MiB	3.4 MiB	+ 33.37 KiB
/wp-admin/edit.php	0.183 s	0.182 s	-0.001 s	3.4 MiB	3.43 MiB	+ 33.37 KiB
/wp-admin/post-new.php	1.051 s	1.162 s	+0.111 s	5.68 MiB	5.72 MiB	+ 37.73 KiB
/wp-admin/upload.php	0.550 s	0.354 s	-0.196 s	3.25 MiB	3.29 MiB	+ 40.23 KiB
/wp-admin/options-writing.php	0.231 s	0.141 s	-0.090 s	3.24 MiB	3.27 MiB	+ 24.09 KiB
/wp-admin/media-new.php	0.237 s	0.195 s	-0.042 s	3.23 MiB	3.27 MiB	+ 40.41 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.188 s	0.185 s	-0.003 s	3.27 MiB	3.3 MiB	+ 33.31 KiB
/wp-admin/post-new.php?post_type=page	0.897 s	1.123 s	+0.226 s	5.68 MiB	5.71 MiB	+ 33.31 KiB
/wp-admin/options-discussion.php	0.225 s	0.266 s	+0.041 s	3.22 MiB	3.26 MiB	+ 41.03 KiB
/wp-admin/edit-comments.php	0.214 s	0.212 s	-0.002 s	3.27 MiB	3.3 MiB	+ 32.22 KiB
/	0.271 s	0.208 s	-0.063 s	3.4 MiB	3.36 MiB	- 38.32 KiB
Average	0.400 s	0.392 s	-0.009 s	3.73 MiB	3.75 MiB	+ 28.25 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

JavaScript

Language		%	Lines of code	Comment lines	Files
	PHP	79.0%	12,038	4,167	146
	JavaScript	10.4%	1,579	407	16
	Markdown	5.9%	904	0	5
	CSS	4.1%	630	74	4
	SVG	0.3%	49	2	3
	JSON	0.2%	34	0	1
Total			15,234	4,650	175

PHP Code Analysis | More results »

Lines of code	9,907
Total complexity	2,004
Median class complexity	13.5
Median method complexity	2.0
Most complex class	WebPExpress\Paths
Most complex function	WebPExpress\CLI::convert()

Classes	68
Methods	468
Functions	47

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` 3

webp-express-messages-pending
webp-express-migration-version
webp-express-state

PHP Error Log 1 lines

[04-May-2022 11:04:54 UTC] PHP Warning:  mkdir(): File exists in /wp-content/plugins/webp-express/vendor/rosell-dk/htaccess-capability-tester/src/SimpleTestFileLineUpper.php on line 14

WebP Express 0.25.3