Report - WebP Express 0.21.0

Does WebP Express work with WordPress 5.8.1 and PHP 7.4.8? A smoke test was performed on 2021-10-26 08:21:12 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: 24.56 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	5.8.1
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=25e0d81fff
Aspect	after-activation
HTTP status	200
Load time	0.441 s
Memory usage	3.1 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	0.491 s
Memory usage	3.03 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	1.401 s
Memory usage	4.19 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.240 s
Memory usage	2.91 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.331 s	0.301 s	-0.030 s	3.08 MiB	3.11 MiB	+ 28.15 KiB
/wp-admin/edit.php	0.197 s	0.202 s	+0.005 s	3.11 MiB	3.14 MiB	+ 28.15 KiB
/wp-admin/post-new.php	0.820 s	0.970 s	+0.150 s	5.27 MiB	5.3 MiB	+ 32.51 KiB
/wp-admin/upload.php	0.396 s	0.302 s	-0.094 s	3.03 MiB	3.06 MiB	+ 27.02 KiB
/wp-admin/options-writing.php	0.157 s	0.156 s	-0.001 s	3.02 MiB	3.03 MiB	+ 10.99 KiB
/wp-admin/media-new.php	0.479 s	0.198 s	-0.281 s	3.01 MiB	3.03 MiB	+ 27.19 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.198 s	0.392 s	+0.194 s	3.04 MiB	3.07 MiB	+ 28.09 KiB
/wp-admin/post-new.php?post_type=page	0.652 s	0.630 s	-0.022 s	5.26 MiB	5.29 MiB	+ 28.09 KiB
/wp-admin/options-discussion.php	0.285 s	0.244 s	-0.041 s	3 MiB	3.03 MiB	+ 27.81 KiB
/wp-admin/edit-comments.php	0.223 s	0.219 s	-0.004 s	3.04 MiB	3.07 MiB	+ 27 KiB
/	0.294 s	0.219 s	-0.075 s	2.91 MiB	2.91 MiB	+ 5.21 KiB
Average	0.367 s	0.348 s	-0.018 s	3.43 MiB	3.46 MiB	+ 24.56 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	78.9%	11,286	3,860	138
	JavaScript	10.5%	1,509	386	15
	Markdown	5.7%	814	0	5
	CSS	4.4%	624	74	4
	SVG	0.3%	49	2	3
	JSON	0.2%	28	0	1
Total			14,310	4,322	166

PHP Code Analysis | More results »

Lines of code	9,241
Total complexity	1,871
Median class complexity	14.0
Median method complexity	2.0
Most complex class	WebPExpress\Paths
Most complex function	WebPExpress\CLI::convert()

Classes	64
Methods	443
Functions	46

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

The log file is empty.

WebP Express 0.21.0