MC4WP: Mailchimp for WordPress 4.9.12

Does MC4WP: Mailchimp for WordPress work with WordPress 6.5.2 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
No PHP errors, warnings or notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Looks good! No problems were detected.
Performance

Memory usage: 154.07 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 version6.5.2
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 2,000,000+
WordPress.org page https://wordpress.org/plugins/mailchimp-for-wp/
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Pages 8

Plugins ‹ Test site — WordPress

Page screenshot: Plugins ‹ Test site — WordPress
URL /wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL /wp-admin/plugins.php?action=activate&plugin=mailchimp-for-wp%2Fmailchimp-for-wp.php&plugin_status=all&paged=1&s&_wpnonce=d1325dc90b
Aspect after-activation
HTTP status 200
Load time 0.310 s
Memory usage 3.7 MiB
JS errors None
Resource errors None

MC4WP

Page screenshot: MC4WP
URL /wp-admin/admin.php?page=mailchimp-for-wp
Aspect menu-item
HTTP status 200
Load time 0.278 s
Memory usage 3.58 MiB
JS errors None
Resource errors None

MC4WP → Form

Page screenshot: MC4WP → Form
URL /wp-admin/admin.php?page=mailchimp-for-wp-forms&view=add-form
Requested URL /wp-admin/admin.php?page=mailchimp-for-wp-forms
Aspect menu-item
HTTP status 200
Load time 0.215 s
Memory usage 3.59 MiB
JS errors None
Resource errors None

MC4WP → Integrations

Page screenshot: MC4WP → Integrations
URL /wp-admin/admin.php?page=mailchimp-for-wp-integrations
Aspect menu-item
HTTP status 200
Load time 0.214 s
Memory usage 3.59 MiB
JS errors None
Resource errors None

MC4WP → Other

Page screenshot: MC4WP → Other
URL /wp-admin/admin.php?page=mailchimp-for-wp-other
Aspect menu-item
HTTP status 200
Load time 0.228 s
Memory usage 3.59 MiB
JS errors None
Resource errors None

MC4WP → Add-ons

Page screenshot: MC4WP → Add-ons
URL /wp-admin/admin.php?page=mailchimp-for-wp-extensions
Aspect menu-item
HTTP status 200
Load time 0.206 s
Memory usage 3.56 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 0.197 s
Memory usage 3.45 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 2.253 s
Memory usage 5.64 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.388 s0.332 s-0.056 s3.44 MiB3.63 MiB+ 195.04 KiB
/wp-admin/edit.php0.240 s0.240 s+0.000 s3.46 MiB3.65 MiB+ 193.2 KiB
/wp-admin/post-new.php0.967 s1.097 s+0.130 s5.59 MiB5.68 MiB+ 94.37 KiB
/wp-admin/upload.php0.623 s0.477 s-0.146 s3.38 MiB3.55 MiB+ 177.63 KiB
/wp-admin/options-writing.php0.221 s0.198 s-0.023 s3.37 MiB3.54 MiB+ 168.86 KiB
/wp-admin/media-new.php0.309 s0.223 s-0.086 s3.35 MiB3.54 MiB+ 189.09 KiB
/wp-admin/edit-tags.php?taxonomy=category0.211 s0.199 s-0.012 s3.37 MiB3.56 MiB+ 194.25 KiB
/wp-admin/post-new.php?post_type=page0.564 s0.612 s+0.048 s5.59 MiB5.67 MiB+ 90 KiB
/wp-admin/options-discussion.php0.282 s0.335 s+0.053 s3.36 MiB3.53 MiB+ 177.39 KiB
/wp-admin/edit-comments.php0.446 s0.253 s-0.193 s3.39 MiB3.56 MiB+ 176.93 KiB
/0.379 s0.221 s-0.158 s3.42 MiB3.45 MiB+ 38.06 KiB
Average 0.421 s0.381 s-0.040 s3.79 MiB3.94 MiB+ 154.07 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
Markdown
Language % Lines of code Comment lines Files
PHP87.5%7,8795,049120
Markdown10.5%94601
SVG1.1%9513
XML0.5%4401
JavaScript0.4%3219
CSS0.0%404
Total 9,000 5,051 138

PHP Code Analysis | More results »

Lines of code 6,211
Total complexity 1,279
Median class complexity 13.0
Median method complexity 1.0
Most complex class MC4WP_API_V3
Most complex function MC4WP_List_Data_Mapper::map_list()
Classes 63
Methods 509
Functions 48

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.

Options wp_options 4

Custom Post Types 1

ID Name
mc4wp-formMailchimp Sign-up Forms

Sidebar Widgets 1

ID Name
mc4wp_form_widgetMailchimp Sign-Up Form

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide MC4WP: Mailchimp for WordPress Admin Menus