Report - Mailgun 2.1.9 - PluginTests.com

Does Mailgun work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-03 01:30:29 UTC.

Summary

Errors

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

Performance

Memory usage: 33 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	2026-09-02T11:53:00+00:00
Active installs	80,000+
WordPress.org page	https://wordpress.org/plugins/mailgun/
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=mailgun%2Fmailgun.php&plugin_status=all&paged=1&s&_wpnonce=edcc55e05b
Aspect	after-activation
HTTP status	200
Load time	0.326 s
Memory usage	3.78 MiB
JS errors	None
Resource errors	None

Settings → Mailgun

URL	/wp-admin/options-general.php?page=mailgun
Aspect	menu-item
HTTP status	200
Load time	0.360 s
Memory usage	3.83 MiB
JS errors	None
Resource errors	None

Settings → Mailgun Lists

URL	/wp-admin/options-general.php?page=mailgun-lists
Aspect	menu-item
HTTP status	200
Load time	0.383 s
Memory usage	3.74 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.222 s
Memory usage	4.13 MiB
JS errors	None
Resource errors	None

Widgets ‹ Test site — WordPress

URL	/wp-admin/widgets.php
Aspect	new-sidebar-widgets
HTTP status	200
Load time	1.052 s
Memory usage	6.19 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.407 s	0.360 s	-0.047 s	3.78 MiB	3.82 MiB	+ 41.03 KiB
/wp-admin/edit.php	0.360 s	0.287 s	-0.073 s	3.78 MiB	3.82 MiB	+ 41 KiB
/wp-admin/post-new.php	0.854 s	1.050 s	+0.196 s	6.31 MiB	6.35 MiB	+ 44.63 KiB
/wp-admin/upload.php	0.630 s	0.602 s	-0.028 s	3.74 MiB	3.76 MiB	+ 23.59 KiB
/wp-admin/options-writing.php	0.338 s	0.294 s	-0.044 s	3.71 MiB	3.74 MiB	+ 27.58 KiB
/wp-admin/media-new.php	0.511 s	0.305 s	-0.206 s	3.7 MiB	3.74 MiB	+ 35.77 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.468 s	0.302 s	-0.166 s	3.72 MiB	3.76 MiB	+ 46.45 KiB
/wp-admin/post-new.php?post_type=page	0.695 s	0.645 s	-0.050 s	6.3 MiB	6.34 MiB	+ 40.18 KiB
/wp-admin/options-discussion.php	0.317 s	0.391 s	+0.074 s	3.71 MiB	3.74 MiB	+ 24.08 KiB
/wp-admin/edit-comments.php	0.322 s	0.340 s	+0.018 s	3.74 MiB	3.76 MiB	+ 23.58 KiB
/	0.271 s	0.178 s	-0.093 s	4.12 MiB	4.13 MiB	+ 15.16 KiB
Average	0.470 s	0.432 s	-0.038 s	4.24 MiB	4.27 MiB	+ 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

PO File

Markdown

Language		%	Lines of code	Comment lines	Files
	PHP	57.9%	2,017	781	8
	PO File	24.8%	866	267	5
	Markdown	14.5%	507	0	2
	XML	2.0%	69	31	1
	YAML	0.7%	26	0	1
Total			3,485	1,079	17

PHP Code Analysis | More results »

Lines of code	1,496
Total complexity	362
Median class complexity	80.0
Median method complexity	2.0
Most complex class	MailgunAdmin
Most complex function	wp_mail()

Classes	3
Methods	31
Functions	18

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` 2

mailgun
widget_list_widget

Sidebar Widgets 1

ID	Name
list_widget	Mailgun List Widget

PHP Error Log 4 lines

[03-Dec-2025 01:30:51 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 01:30:51 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 01:31:00 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 01:31:00 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

Mailgun 2.1.9