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Newsletter 8.9.1

Does Newsletter work with WordPress 6.8.1 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: 360.24 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.055 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version6.8.1
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=143e198d7c
Aspect after-activation
HTTP status 200
Load time 1.375 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 0.698 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 0.885 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 0.372 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 0.347 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 0.345 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 0.461 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 0.497 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 1.120 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 0.401 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 0.440 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 0.313 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 1.481 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.php0.593 s0.541 s-0.052 s3.51 MiB3.89 MiB+ 388.17 KiB
/wp-admin/edit.php0.225 s0.234 s+0.009 s3.57 MiB3.97 MiB+ 410.57 KiB
/wp-admin/post-new.php0.826 s1.496 s+0.670 s6.06 MiB6.5 MiB+ 452.55 KiB
/wp-admin/upload.php0.652 s0.476 s-0.176 s3.52 MiB3.89 MiB+ 374.22 KiB
/wp-admin/options-writing.php0.213 s0.219 s+0.006 s3.5 MiB3.87 MiB+ 372.71 KiB
/wp-admin/media-new.php0.305 s0.212 s-0.093 s3.49 MiB3.86 MiB+ 380.91 KiB
/wp-admin/edit-tags.php?taxonomy=category0.191 s0.379 s+0.188 s3.5 MiB3.89 MiB+ 391.58 KiB
/wp-admin/post-new.php?post_type=page1.170 s1.354 s+0.184 s6.05 MiB6.43 MiB+ 384.09 KiB
/wp-admin/options-discussion.php0.436 s0.373 s-0.063 s3.5 MiB3.86 MiB+ 369.21 KiB
/wp-admin/edit-comments.php0.247 s0.227 s-0.020 s3.52 MiB3.89 MiB+ 374.21 KiB
/0.313 s0.265 s-0.048 s3.49 MiB3.56 MiB+ 64.39 KiB
Average 0.470 s0.525 s+0.055 s3.98 MiB4.33 MiB+ 360.24 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%30,4843,817226
CSS13.7%5,70055423
JSON7.1%2,950021
JavaScript5.2%2,1382017
HTML0.5%200143
Total 41,472 4,586 280

PHP Code Analysis | More results »

Lines of code 17,760
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

[23-Jun-2025 12:09:16 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