Report - Newsletter 9.3.3 - PluginTests.com

Does Newsletter work with WordPress 7.0.4 and PHP 8.1.12? A smoke test was performed on 2026-08-12 19:11:43 UTC.

Summary

Errors

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

Performance

Memory usage: 380.01 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	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=56c066abe1
Aspect	after-activation
HTTP status	200
Load time	1.756 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	1.101 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	1.186 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	0.644 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	0.834 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	0.648 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	0.729 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	1.031 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	0.976 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	0.857 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	0.923 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	0.257 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	1.534 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	0.723 s	0.649 s	-0.074 s	3.92 MiB	4.38 MiB	+ 470.13 KiB
/wp-admin/edit.php	0.587 s	0.512 s	-0.075 s	3.98 MiB	4.38 MiB	+ 405.64 KiB
/wp-admin/post-new.php	2.043 s	1.896 s	-0.147 s	6.56 MiB	6.95 MiB	+ 404.34 KiB
/wp-admin/upload.php	0.683 s	0.721 s	+0.038 s	3.89 MiB	4.27 MiB	+ 386.95 KiB
/wp-admin/options-writing.php	0.530 s	0.530 s	+0.000 s	3.86 MiB	4.24 MiB	+ 390.63 KiB
/wp-admin/media-new.php	0.962 s	0.962 s	+0.000 s	3.85 MiB	4.24 MiB	+ 398.83 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.523 s	0.542 s	+0.019 s	3.86 MiB	4.26 MiB	+ 404 KiB
/wp-admin/post-new.php?post_type=page	1.400 s	1.373 s	-0.027 s	6.55 MiB	6.94 MiB	+ 396.6 KiB
/wp-admin/options-discussion.php	0.626 s	0.579 s	-0.047 s	3.86 MiB	4.24 MiB	+ 387.13 KiB
/wp-admin/edit-comments.php	0.538 s	0.533 s	-0.005 s	3.88 MiB	4.26 MiB	+ 387.72 KiB
/	0.281 s	0.197 s	-0.084 s	4.23 MiB	4.37 MiB	+ 148.17 KiB
Average	0.809 s	0.772 s	-0.037 s	4.41 MiB	4.78 MiB	+ 380.01 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%	31,663	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			42,707	4,933	288

PHP Code Analysis | More results »

Lines of code	19,208
Total complexity	3,727
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

[12-Aug-2026 19:12:19 UTC] PHP Warning:  Undefined array key "search_page" in /wp-content/plugins/newsletter/users/index.php on line 112

Newsletter 9.3.3