MC4WP: Mailchimp for WordPress 4.9.11

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: 154.44 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=1f861584fd
Aspect after-activation
HTTP status 200
Load time 0.291 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 0.226 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 0.220 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 0.227 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 0.263 s
Memory usage 3.6 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 0.193 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 0.185 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 2.286 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.php0.460 s0.367 s-0.093 s3.44 MiB3.63 MiB+ 195.41 KiB
/wp-admin/edit.php0.231 s0.420 s+0.189 s3.46 MiB3.65 MiB+ 193.57 KiB
/wp-admin/post-new.php0.941 s0.780 s-0.161 s5.59 MiB5.68 MiB+ 94.73 KiB
/wp-admin/upload.php0.657 s0.421 s-0.236 s3.38 MiB3.55 MiB+ 178 KiB
/wp-admin/options-writing.php0.245 s0.212 s-0.033 s3.37 MiB3.54 MiB+ 169.23 KiB
/wp-admin/media-new.php0.324 s0.224 s-0.100 s3.35 MiB3.54 MiB+ 189.45 KiB
/wp-admin/edit-tags.php?taxonomy=category0.204 s0.211 s+0.007 s3.37 MiB3.56 MiB+ 194.63 KiB
/wp-admin/post-new.php?post_type=page0.589 s0.836 s+0.247 s5.59 MiB5.67 MiB+ 90.37 KiB
/wp-admin/options-discussion.php0.370 s0.283 s-0.087 s3.36 MiB3.53 MiB+ 177.76 KiB
/wp-admin/edit-comments.php0.273 s0.236 s-0.037 s3.39 MiB3.56 MiB+ 177.3 KiB
/0.333 s0.247 s-0.086 s3.42 MiB3.45 MiB+ 38.43 KiB
Average 0.421 s0.385 s-0.035 s3.79 MiB3.94 MiB+ 154.44 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
PHP87.6%7,8805,047120
Markdown10.5%94401
SVG1.1%9513
XML0.5%4401
JavaScript0.4%3219
CSS0.0%404
Total 8,999 5,049 138

PHP Code Analysis | More results »

Lines of code 6,212
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