1. Home
2. Newsletter – Send awesome emails from WordPress
3. 9.1.6

Newsletter 9.1.6

Does Newsletter work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on 2026-03-11 17:55:04 UTC.

Summary

Pages 13

Welcome ‹ Test site — WordPress

Newsletter

Newsletter → Subscription

Newsletter → Forms

Newsletter → Newsletters

Newsletter → Subscribers

Newsletter → Lists

Newsletter → Settings

Newsletter → Addons

Newsletter → Automated Pro

Newsletter → Autoresponder Pro

Test site – Just another WordPress site

Widgets ‹ Test site — WordPress

Benchmark

URL	Load time			Memory usage
	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.434 s	0.456 s	+0.022 s	3.78 MiB	4.16 MiB	+ 393.84 KiB
/wp-admin/edit.php	0.357 s	0.330 s	-0.027 s	3.78 MiB	4.21 MiB	+ 439.07 KiB
/wp-admin/post-new.php	0.860 s	0.880 s	+0.020 s	6.31 MiB	6.76 MiB	+ 459.17 KiB
/wp-admin/upload.php	0.715 s	0.538 s	-0.177 s	3.74 MiB	4.11 MiB	+ 380.83 KiB
/wp-admin/options-writing.php	0.343 s	0.385 s	+0.042 s	3.71 MiB	4.08 MiB	+ 379.32 KiB
/wp-admin/media-new.php	0.494 s	0.327 s	-0.167 s	3.7 MiB	4.08 MiB	+ 387.52 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.475 s	0.321 s	-0.154 s	3.72 MiB	4.11 MiB	+ 398.19 KiB
/wp-admin/post-new.php?post_type=page	0.703 s	0.694 s	-0.009 s	6.3 MiB	6.74 MiB	+ 452.66 KiB
/wp-admin/options-discussion.php	0.397 s	0.444 s	+0.047 s	3.71 MiB	4.08 MiB	+ 375.82 KiB
/wp-admin/edit-comments.php	0.324 s	0.439 s	+0.115 s	3.73 MiB	4.11 MiB	+ 380.82 KiB
/	0.273 s	0.192 s	-0.081 s	4.11 MiB	4.23 MiB	+ 124.67 KiB
Average	0.489 s	0.455 s	-0.034 s	4.24 MiB	4.61 MiB	+ 379.26 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.

Language		%	Lines of code	Comment lines	Files
	PHP	74.1%	31,201	4,082	232
	CSS	13.4%	5,648	572	23
	JSON	7.0%	2,950	0	21
	JavaScript	5.0%	2,105	189	7
	HTML	0.5%	200	14	3
Total			42,104	4,857	286

PHP Code Analysis | More results »

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 15

• newsletter_addons
• newsletter_addons_updated
• newsletter_backup_0.0.0
• 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 13 lines

[11-Mar-2026 17:55:25 UTC] [
    {
        "id": "2026-02-13",
        "start": "2026-02-13",
        "end": "2026-02-20",
        "message": "Check out the new Yearly Messages addon",
        "url": "?page=newsletter_extensions_index",
        "label": "See on the addons page"
    }


]
[11-Mar-2026 17:55:31 UTC] PHP Warning:  Undefined array key "search_page" in /wp-content/plugins/newsletter/users/index.php on line 112

---