Report - Newsletter 9.3.4 - PluginTests.com

Does Newsletter work with WordPress 7.0.4 and PHP 8.1.12? A smoke test was performed on 2026-08-17 10:14:40 UTC.

Summary

Errors

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

Performance

Memory usage: 380.51 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.048 seconds
The average page load time increased by this amount after activating the plugin.

Environment

WordPress version	7.0.4
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-08-17T09:53:00+00:00
Active installs	200,000+
WordPress.org page	https://wordpress.org/plugins/newsletter/
Badges	Get badge code

Pages 13

Welcome ‹ Test site — WordPress

URL	/wp-admin/admin.php?page=newsletter_main_welcome
Requested URL	/wp-admin/plugins.php?action=activate&plugin=newsletter%2Fplugin.php&plugin_status=all&paged=1&s&_wpnonce=35de5e9470
Aspect	after-activation
HTTP status	200
Load time	2.214 s
Memory usage	4.51 MiB
JS errors	None
Resource errors	None

URL	/wp-admin/admin.php?page=newsletter_main_index
Aspect	menu-item
HTTP status	200
Load time	1.068 s
Memory usage	4.34 MiB
JS errors	None
Resource errors	None

Newsletter → Subscription

URL	/wp-admin/admin.php?page=newsletter_subscription_options
Aspect	menu-item
HTTP status	200
Load time	1.539 s
Memory usage	4.34 MiB
JS errors	None
Resource errors	None

Newsletter → Forms

URL	/wp-admin/admin.php?page=newsletter_subscription_sources
Aspect	menu-item
HTTP status	200
Load time	0.737 s
Memory usage	4.35 MiB
JS errors	None
Resource errors	None

Newsletter → Newsletters

URL	/wp-admin/admin.php?page=newsletter_emails_index
Aspect	menu-item
HTTP status	200
Load time	0.703 s
Memory usage	4.28 MiB
JS errors	None
Resource errors	None

Newsletter → Subscribers

URL	/wp-admin/admin.php?page=newsletter_users_index
Aspect	menu-item
HTTP status	200
Load time	1.191 s
Memory usage	4.31 MiB
JS errors	None
Resource errors	None

Newsletter → Lists

URL	/wp-admin/admin.php?page=newsletter_subscription_lists
Aspect	menu-item
HTTP status	200
Load time	0.817 s
Memory usage	4.28 MiB
JS errors	None
Resource errors	None

Newsletter → Settings

URL	/wp-admin/admin.php?page=newsletter_main_main
Aspect	menu-item
HTTP status	200
Load time	0.935 s
Memory usage	4.34 MiB
JS errors	None
Resource errors	None

Newsletter → Addons

URL	/wp-admin/admin.php?page=newsletter_main_extensions
Aspect	menu-item
HTTP status	200
Load time	1.101 s
Memory usage	4.29 MiB
JS errors	None
Resource errors	None

Newsletter → Automated Pro

URL	/wp-admin/admin.php?page=newsletter_main_automated
Aspect	menu-item
HTTP status	200
Load time	1.830 s
Memory usage	4.28 MiB
JS errors	None
Resource errors	None

Newsletter → Autoresponder Pro

URL	/wp-admin/admin.php?page=newsletter_main_autoresponder
Aspect	menu-item
HTTP status	200
Load time	0.960 s
Memory usage	4.28 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.293 s
Memory usage	4.37 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	1.576 s
Memory usage	6.74 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.703 s	0.752 s	+0.049 s	3.92 MiB	4.38 MiB	+ 470.63 KiB
/wp-admin/edit.php	0.587 s	0.758 s	+0.171 s	3.98 MiB	4.38 MiB	+ 406.14 KiB
/wp-admin/post-new.php	2.265 s	2.481 s	+0.216 s	6.56 MiB	6.95 MiB	+ 404.84 KiB
/wp-admin/upload.php	0.795 s	0.756 s	-0.039 s	3.89 MiB	4.27 MiB	+ 387.45 KiB
/wp-admin/options-writing.php	0.594 s	0.565 s	-0.029 s	3.86 MiB	4.24 MiB	+ 391.13 KiB
/wp-admin/media-new.php	0.615 s	1.019 s	+0.404 s	3.85 MiB	4.24 MiB	+ 399.33 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.564 s	0.589 s	+0.025 s	3.86 MiB	4.26 MiB	+ 404.5 KiB
/wp-admin/post-new.php?post_type=page	1.982 s	1.873 s	-0.109 s	6.55 MiB	6.94 MiB	+ 397.1 KiB
/wp-admin/options-discussion.php	0.829 s	0.748 s	-0.081 s	3.86 MiB	4.24 MiB	+ 387.63 KiB
/wp-admin/edit-comments.php	0.584 s	0.582 s	-0.002 s	3.88 MiB	4.26 MiB	+ 388.22 KiB
/	0.337 s	0.262 s	-0.075 s	4.23 MiB	4.37 MiB	+ 148.67 KiB
Average	0.896 s	0.944 s	+0.048 s	4.4 MiB	4.78 MiB	+ 380.51 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

CSS

Language		%	Lines of code	Comment lines	Files
	PHP	74.1%	31,667	4,151	233
	CSS	13.4%	5,715	577	23
	JSON	6.9%	2,950	0	21
	JavaScript	5.1%	2,179	191	8
	HTML	0.5%	200	14	3
Total			42,711	4,933	288

PHP Code Analysis | More results »

Lines of code	19,212
Total complexity	3,726
Median class complexity	24.5
Median method complexity	2.0
Most complex class	NewsletterControls
Most complex function	NewsletterUpgrade::run()

Classes	74
Methods	1,103
Functions	37

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 7

wp_newsletter
wp_newsletter_emails
wp_newsletter_logs
wp_newsletter_sent
wp_newsletter_stats
wp_newsletter_user_logs
wp_newsletter_user_meta

Options `wp_options` 16

newsletter_addons
newsletter_addons_updated
newsletter_backup_0.0.0
newsletter_engine_lock
newsletter_install_time
newsletter_logger_secret
newsletter_main
newsletter_main_steps
newsletter_news
newsletter_news_updated
newsletter_public_page_check
newsletter_statistics
newsletter_system_warnings
newsletter_version
widget_newsletterwidget
widget_newsletterwidgetminimal

Sidebar Widgets 2

ID	Name
newsletterwidget	Newsletter
newsletterwidgetminimal	Newsletter Minimal

PHP Error Log 1 lines

[17-Aug-2026 10:15:18 UTC] PHP Warning:  Undefined array key "search_page" in /wp-content/plugins/newsletter/users/index.php on line 112

Newsletter 9.3.4