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Newsletter 8.9.7

Does Newsletter work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .

Summary

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

Memory usage: 364.09 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 version6.8.3
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 300,000+
WordPress.org page https://wordpress.org/plugins/newsletter/
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Pages 13

Welcome ‹ Test site — WordPress

Page screenshot: 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=6a28e14f4d
Aspect after-activation
HTTP status 200
Load time 1.899 s
Memory usage 4.04 MiB
JS errors None
Resource errors None

Newsletter

Page screenshot: Newsletter
URL /wp-admin/admin.php?page=newsletter_main_index
Aspect menu-item
HTTP status 200
Load time 1.041 s
Memory usage 3.96 MiB
JS errors None
Resource errors None

Newsletter → Subscription

Page screenshot: Newsletter → Subscription
URL /wp-admin/admin.php?page=newsletter_subscription_options
Aspect menu-item
HTTP status 200
Load time 1.602 s
Memory usage 3.89 MiB
JS errors None
Resource errors None

Newsletter → Forms

Page screenshot: Newsletter → Forms
URL /wp-admin/admin.php?page=newsletter_subscription_sources
Aspect menu-item
HTTP status 200
Load time 0.404 s
Memory usage 3.95 MiB
JS errors None
Resource errors None

Newsletter → Newsletters

Page screenshot: Newsletter → Newsletters
URL /wp-admin/admin.php?page=newsletter_emails_index
Aspect menu-item
HTTP status 200
Load time 0.398 s
Memory usage 3.89 MiB
JS errors None
Resource errors None

Newsletter → Subscribers

Page screenshot: Newsletter → Subscribers
URL /wp-admin/admin.php?page=newsletter_users_index
Aspect menu-item
HTTP status 200
Load time 0.527 s
Memory usage 3.92 MiB
JS errors None
Resource errors None

Newsletter → Lists

Page screenshot: Newsletter → Lists
URL /wp-admin/admin.php?page=newsletter_subscription_lists
Aspect menu-item
HTTP status 200
Load time 0.643 s
Memory usage 3.89 MiB
JS errors None
Resource errors None

Newsletter → Settings

Page screenshot: Newsletter → Settings
URL /wp-admin/admin.php?page=newsletter_main_main
Aspect menu-item
HTTP status 200
Load time 0.783 s
Memory usage 3.95 MiB
JS errors None
Resource errors None

Newsletter → Addons

Page screenshot: Newsletter → Addons
URL /wp-admin/admin.php?page=newsletter_main_extensions
Aspect menu-item
HTTP status 200
Load time 0.972 s
Memory usage 3.9 MiB
JS errors None
Resource errors None

Newsletter → Automated Pro

Page screenshot: Newsletter → Automated Pro
URL /wp-admin/admin.php?page=newsletter_main_automated
Aspect menu-item
HTTP status 200
Load time 0.542 s
Memory usage 3.89 MiB
JS errors None
Resource errors None

Newsletter → Autoresponder Pro

Page screenshot: Newsletter → Autoresponder Pro
URL /wp-admin/admin.php?page=newsletter_main_autoresponder
Aspect menu-item
HTTP status 200
Load time 0.394 s
Memory usage 3.89 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.459 s
Memory usage 3.55 MiB
JS errors None
Resource errors None

Widgets ‹ Test site — WordPress

Page screenshot: Widgets ‹ Test site — WordPress
URL /wp-admin/widgets.php
Aspect new-sidebar-widgets
HTTP status 200
Load time 2.072 s
Memory usage 6.12 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.627 s0.564 s-0.063 s3.51 MiB3.88 MiB+ 386.7 KiB
/wp-admin/edit.php0.371 s0.446 s+0.075 s3.57 MiB3.97 MiB+ 409.09 KiB
/wp-admin/post-new.php1.410 s1.707 s+0.297 s6.06 MiB6.5 MiB+ 451.09 KiB
/wp-admin/upload.php0.888 s0.587 s-0.301 s3.52 MiB3.89 MiB+ 372.74 KiB
/wp-admin/options-writing.php0.334 s0.681 s+0.347 s3.5 MiB3.86 MiB+ 371.23 KiB
/wp-admin/media-new.php0.496 s0.544 s+0.048 s3.49 MiB3.86 MiB+ 379.43 KiB
/wp-admin/edit-tags.php?taxonomy=category0.358 s0.340 s-0.018 s3.5 MiB3.89 MiB+ 390.1 KiB
/wp-admin/post-new.php?post_type=page1.120 s0.948 s-0.172 s6.05 MiB6.42 MiB+ 382.61 KiB
/wp-admin/options-discussion.php0.385 s0.447 s+0.062 s3.5 MiB3.86 MiB+ 367.73 KiB
/wp-admin/edit-comments.php0.696 s0.356 s-0.340 s3.52 MiB3.89 MiB+ 372.73 KiB
/0.497 s0.348 s-0.149 s3.43 MiB3.55 MiB+ 121.55 KiB
Average 0.653 s0.633 s-0.019 s3.97 MiB4.33 MiB+ 364.09 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
PHP73.8%30,7603,896228
CSS13.5%5,63955523
JSON7.1%2,950021
JavaScript5.1%2,1261947
HTML0.5%200143
Total 41,675 4,659 282

PHP Code Analysis | More results »

Lines of code 18,003
Total complexity 3,639
Median class complexity 19.5
Median method complexity 2.0
Most complex class NewsletterControls
Most complex function NewsletterUpgrade::run()
Classes 74
Methods 1,080
Functions 36

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

Options wp_options 15

Sidebar Widgets 2

ID Name
newsletterwidgetNewsletter
newsletterwidgetminimalNewsletter Minimal

PHP Error Log 1 lines

[30-Sep-2025 21:14:20 UTC] PHP Warning:  Undefined array key "search_page" in /wp-content/plugins/newsletter/users/index.php on line 110
See also: All tests for this plugin, How to Hide Newsletter Admin Menus