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Newsletter 8.9.3

Does Newsletter work with WordPress 6.8.2 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: 360.35 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 version6.8.2
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=e2fb5adeb2
Aspect after-activation
HTTP status 200
Load time 1.306 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 0.672 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 0.840 s
Memory usage 3.9 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 0.315 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 0.303 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 0.318 s
Memory usage 3.93 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 0.526 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 0.452 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 0.851 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 0.350 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 0.370 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 0.263 s
Memory usage 3.56 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 1.421 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.php0.323 s0.390 s+0.067 s3.51 MiB3.89 MiB+ 388.83 KiB
/wp-admin/edit.php0.193 s0.220 s+0.027 s3.57 MiB3.97 MiB+ 411.23 KiB
/wp-admin/post-new.php0.761 s0.928 s+0.167 s6.06 MiB6.5 MiB+ 453.21 KiB
/wp-admin/upload.php0.587 s0.349 s-0.238 s3.52 MiB3.89 MiB+ 374.88 KiB
/wp-admin/options-writing.php0.224 s0.426 s+0.202 s3.5 MiB3.87 MiB+ 373.37 KiB
/wp-admin/media-new.php0.286 s0.207 s-0.079 s3.49 MiB3.86 MiB+ 381.56 KiB
/wp-admin/edit-tags.php?taxonomy=category0.275 s0.192 s-0.083 s3.5 MiB3.89 MiB+ 392.23 KiB
/wp-admin/post-new.php?post_type=page0.599 s0.645 s+0.046 s6.05 MiB6.43 MiB+ 384.74 KiB
/wp-admin/options-discussion.php0.306 s0.278 s-0.028 s3.5 MiB3.86 MiB+ 369.87 KiB
/wp-admin/edit-comments.php0.426 s0.206 s-0.220 s3.52 MiB3.89 MiB+ 374.87 KiB
/0.317 s0.207 s-0.110 s3.5 MiB3.56 MiB+ 59.02 KiB
Average 0.391 s0.368 s-0.023 s3.98 MiB4.33 MiB+ 360.35 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
PHP73.5%30,4993,819226
CSS13.7%5,70155423
JSON7.1%2,950021
JavaScript5.2%2,1382017
HTML0.5%200143
Total 41,488 4,588 280

PHP Code Analysis | More results »

Lines of code 17,765
Total complexity 3,587
Median class complexity 19.0
Median method complexity 2.0
Most complex class NewsletterControls
Most complex function NewsletterUpgrade::run()
Classes 73
Methods 1,052
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

[28-Aug-2025 09:46:18 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