Report - Newsletter 9.2.5 - PluginTests.com

Does Newsletter work with WordPress 7.0 and PHP 8.1.12? A smoke test was performed on 2026-05-20 21:00:34 UTC.

Summary

Errors

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

Performance

Memory usage: 374.52 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
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-06-22T12:54:00+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=51fa73455b
Aspect	after-activation
HTTP status	200
Load time	1.989 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	1.222 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	1.267 s
Memory usage	4.33 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	0.682 s
Memory usage	4.34 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	0.826 s
Memory usage	4.27 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	0.659 s
Memory usage	4.3 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	0.723 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	1.301 s
Memory usage	4.33 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	0.989 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	0.813 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	0.733 s
Memory usage	4.27 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.252 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	1.857 s
Memory usage	6.73 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.636 s	0.849 s	+0.213 s	3.92 MiB	4.38 MiB	+ 467.54 KiB
/wp-admin/edit.php	0.500 s	0.578 s	+0.078 s	3.98 MiB	4.38 MiB	+ 403.05 KiB
/wp-admin/post-new.php	1.933 s	1.831 s	-0.102 s	6.56 MiB	6.93 MiB	+ 385.79 KiB
/wp-admin/upload.php	0.743 s	0.698 s	-0.045 s	3.89 MiB	4.26 MiB	+ 384.37 KiB
/wp-admin/options-writing.php	0.517 s	0.512 s	-0.005 s	3.86 MiB	4.24 MiB	+ 388.05 KiB
/wp-admin/media-new.php	0.575 s	0.926 s	+0.351 s	3.85 MiB	4.24 MiB	+ 396.24 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.487 s	0.528 s	+0.041 s	3.86 MiB	4.26 MiB	+ 401.41 KiB
/wp-admin/post-new.php?post_type=page	1.915 s	1.422 s	-0.493 s	6.55 MiB	6.92 MiB	+ 378.05 KiB
/wp-admin/options-discussion.php	0.599 s	0.657 s	+0.058 s	3.86 MiB	4.24 MiB	+ 384.55 KiB
/wp-admin/edit-comments.php	0.504 s	0.509 s	+0.005 s	3.88 MiB	4.26 MiB	+ 385.13 KiB
/	0.297 s	0.238 s	-0.059 s	4.23 MiB	4.37 MiB	+ 145.59 KiB
Average	0.791 s	0.795 s	+0.004 s	4.41 MiB	4.77 MiB	+ 374.52 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%	31,341	4,098	232
	CSS	13.5%	5,706	577	23
	JSON	7.0%	2,950	0	21
	JavaScript	5.0%	2,105	189	7
	HTML	0.5%	200	14	3
Total			42,302	4,878	286

PHP Code Analysis | More results »

Lines of code	18,957
Total complexity	3,681
Median class complexity	25.0
Median method complexity	2.0
Most complex class	NewsletterControls
Most complex function	NewsletterUpgrade::run()

Classes	74
Methods	1,087
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

[20-May-2026 21:01:10 UTC] PHP Warning:  Undefined array key "search_page" in /wp-content/plugins/newsletter/users/index.php on line 112

Newsletter 9.2.5