Report - Newsletter 9.3.1 - PluginTests.com

Does Newsletter work with WordPress 7.0.2 and PHP 8.1.12? A smoke test was performed on 2026-07-17 22:31:29 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	7.0.2
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=6a2431c8f8
Aspect	after-activation
HTTP status	200
Load time	1.609 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	0.949 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	1.601 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	0.646 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	0.635 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	0.600 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	0.721 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	0.801 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	0.927 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	1.107 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	0.740 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	0.251 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	1.375 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	0.697 s	0.626 s	-0.071 s	3.92 MiB	4.38 MiB	+ 470.13 KiB
/wp-admin/edit.php	0.532 s	0.745 s	+0.213 s	3.98 MiB	4.38 MiB	+ 405.64 KiB
/wp-admin/post-new.php	2.017 s	1.806 s	-0.211 s	6.56 MiB	6.95 MiB	+ 404.34 KiB
/wp-admin/upload.php	0.688 s	0.712 s	+0.024 s	3.89 MiB	4.27 MiB	+ 386.95 KiB
/wp-admin/options-writing.php	0.511 s	0.505 s	-0.006 s	3.86 MiB	4.24 MiB	+ 390.63 KiB
/wp-admin/media-new.php	0.557 s	0.926 s	+0.369 s	3.85 MiB	4.24 MiB	+ 398.83 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.458 s	0.507 s	+0.049 s	3.86 MiB	4.26 MiB	+ 404 KiB
/wp-admin/post-new.php?post_type=page	2.368 s	1.363 s	-1.005 s	6.55 MiB	6.94 MiB	+ 396.6 KiB
/wp-admin/options-discussion.php	0.605 s	0.626 s	+0.021 s	3.86 MiB	4.24 MiB	+ 387.13 KiB
/wp-admin/edit-comments.php	0.496 s	0.504 s	+0.008 s	3.88 MiB	4.26 MiB	+ 387.72 KiB
/	0.287 s	0.190 s	-0.097 s	4.23 MiB	4.37 MiB	+ 148.17 KiB
Average	0.838 s	0.774 s	-0.064 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%	31,610	4,134	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			42,654	4,916	288

PHP Code Analysis | More results »

Lines of code	19,162
Total complexity	3,717
Median class complexity	24.5
Median method complexity	2.0
Most complex class	NewsletterControls
Most complex function	NewsletterUpgrade::run()

Classes	74
Methods	1,100
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-Jul-2026 22:32:03 UTC] PHP Warning:  Undefined array key "search_page" in /wp-content/plugins/newsletter/users/index.php on line 112

Newsletter 9.3.1