Report - Kadence Mail 3.0.0

Does Kadence Mail work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on 2026-05-12 02:52:48 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: 187.75 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	6.9.4
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-05-12T02:48:00+00:00
Active installs	70,000+
WordPress.org page	https://wordpress.org/plugins/wp-smtp/
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=wp-smtp%2Fwp-smtp.php&plugin_status=all&paged=1&s&_wpnonce=7b48d2cae8
Aspect	after-activation
HTTP status	200
Load time	0.448 s
Memory usage	4.09 MiB
JS errors	None
Resource errors	None

Kadence Mail

URL	/wp-admin/admin.php?page=solidwp-mail
Aspect	menu-item
HTTP status	200
Load time	0.341 s
Memory usage	3.85 MiB
JS errors	None
Resource errors	None

Kadence Mail → Mail Logs

URL	/wp-admin/admin.php?page=solidwp-mail-logs
Aspect	menu-item
HTTP status	200
Load time	0.300 s
Memory usage	3.85 MiB
JS errors	None
Resource errors	None

Kadence Mail → Settings

URL	/wp-admin/admin.php?page=solidwp-mail-settings
Aspect	menu-item
HTTP status	200
Load time	0.306 s
Memory usage	3.85 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.197 s
Memory usage	4.21 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.403 s	0.561 s	+0.158 s	3.78 MiB	3.95 MiB	+ 177.26 KiB
/wp-admin/edit.php	0.348 s	0.354 s	+0.006 s	3.78 MiB	4 MiB	+ 220.97 KiB
/wp-admin/post-new.php	0.831 s	0.823 s	-0.008 s	6.31 MiB	6.65 MiB	+ 350.24 KiB
/wp-admin/upload.php	0.629 s	0.428 s	-0.201 s	3.74 MiB	3.87 MiB	+ 134.56 KiB
/wp-admin/options-writing.php	0.327 s	0.280 s	-0.047 s	3.71 MiB	3.85 MiB	+ 138.87 KiB
/wp-admin/media-new.php	0.496 s	0.512 s	+0.016 s	3.7 MiB	3.85 MiB	+ 147.06 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.320 s	0.292 s	-0.028 s	3.72 MiB	3.87 MiB	+ 157.42 KiB
/wp-admin/post-new.php?post_type=page	0.828 s	0.636 s	-0.192 s	6.3 MiB	6.63 MiB	+ 343.73 KiB
/wp-admin/options-discussion.php	0.422 s	0.410 s	-0.012 s	3.71 MiB	3.85 MiB	+ 135.05 KiB
/wp-admin/edit-comments.php	0.323 s	0.338 s	+0.015 s	3.73 MiB	3.89 MiB	+ 154.87 KiB
/	0.274 s	0.189 s	-0.085 s	4.11 MiB	4.21 MiB	+ 105.21 KiB
Average	0.473 s	0.438 s	-0.034 s	4.23 MiB	4.42 MiB	+ 187.75 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	86.8%	2,642	1,916	50
	JavaScript	12.2%	372	0	3
	SVG	1.0%	30	0	3
	CSS	0.0%	1	0	1
Total			3,045	1,916	57

PHP Code Analysis | More results »

Lines of code	2,619
Total complexity	408
Median class complexity	6.5
Median method complexity	1.0
Most complex class	SolidWP\Mail\SolidMailer
Most complex function	SolidWP\Mail\Connectors\ConnectorPostmark::send_use_api()

Classes	44
Methods	197
Functions	1

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.

Database Tables 1

wp_wpsmtp_logs

Options `wp_options` 4

solid_smtp_version
stellarwp_telemetry
stellarwp_telemetry_last_send
stellarwp_telemetry_solid-mail_show_optin

PHP Error Log

The log file is empty.

Kadence Mail 3.0.0