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Newsletter 9.2.9

Does Newsletter work with WordPress 7.0 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: 376.11 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 version7.0
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 200,000+
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=f7fd92a3e9
Aspect after-activation
HTTP status 200
Load time 1.982 s
Memory usage 4.51 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 1.014 s
Memory usage 4.34 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 1.290 s
Memory usage 4.34 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 0.682 s
Memory usage 4.35 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 0.883 s
Memory usage 4.27 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 0.636 s
Memory usage 4.31 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 0.724 s
Memory usage 4.28 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 0.996 s
Memory usage 4.33 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 1.002 s
Memory usage 4.29 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 0.818 s
Memory usage 4.28 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 0.978 s
Memory usage 4.27 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 0.267 s
Memory usage 4.37 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 2.116 s
Memory usage 6.73 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.720 s0.626 s-0.094 s3.92 MiB4.38 MiB+ 469.13 KiB
/wp-admin/edit.php0.980 s0.500 s-0.480 s3.98 MiB4.38 MiB+ 404.64 KiB
/wp-admin/post-new.php1.695 s1.894 s+0.199 s6.56 MiB6.94 MiB+ 387.38 KiB
/wp-admin/upload.php1.378 s0.709 s-0.669 s3.89 MiB4.27 MiB+ 385.95 KiB
/wp-admin/options-writing.php0.549 s0.530 s-0.019 s3.86 MiB4.24 MiB+ 389.63 KiB
/wp-admin/media-new.php0.701 s0.523 s-0.178 s3.85 MiB4.24 MiB+ 397.83 KiB
/wp-admin/edit-tags.php?taxonomy=category0.487 s0.986 s+0.499 s3.86 MiB4.26 MiB+ 403 KiB
/wp-admin/post-new.php?post_type=page1.995 s1.467 s-0.528 s6.55 MiB6.92 MiB+ 379.64 KiB
/wp-admin/options-discussion.php0.608 s0.924 s+0.316 s3.86 MiB4.24 MiB+ 386.13 KiB
/wp-admin/edit-comments.php0.542 s0.577 s+0.035 s3.88 MiB4.26 MiB+ 386.72 KiB
/0.276 s0.212 s-0.064 s4.23 MiB4.37 MiB+ 147.17 KiB
Average 0.903 s0.813 s-0.089 s4.41 MiB4.77 MiB+ 376.11 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
PHP74.0%31,4664,110233
CSS13.4%5,71557723
JSON6.9%2,950021
JavaScript5.1%2,1791918
HTML0.5%200143
Total 42,510 4,892 288

PHP Code Analysis | More results »

Lines of code 19,053
Total complexity 3,697
Median class complexity 25.0
Median method complexity 2.0
Most complex class NewsletterControls
Most complex function NewsletterUpgrade::run()
Classes 74
Methods 1,093
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

Options wp_options 16

Sidebar Widgets 2

ID Name
newsletterwidgetNewsletter
newsletterwidgetminimalNewsletter Minimal

PHP Error Log 1 lines

[22-Jun-2026 12:59:09 UTC] PHP Warning:  Undefined array key "search_page" in /wp-content/plugins/newsletter/users/index.php on line 112
See also: All tests for this plugin, How to Hide Newsletter Admin Menus