MC4WP: Mailchimp for WordPress 4.8.11

Does MC4WP: Mailchimp for WordPress work with WordPress 6.1.1 and PHP 7.4.8? 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: 189.36 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 version6.1.1
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
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=1a66e9e1ab
Aspect after-activation
HTTP status 200
Load time 0.298 s
Memory usage 3.8 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 0.211 s
Memory usage 3.67 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 0.205 s
Memory usage 3.68 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 0.165 s
Memory usage 3.69 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 0.213 s
Memory usage 3.69 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 0.192 s
Memory usage 3.65 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 0.208 s
Memory usage 3.52 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 2.722 s
Memory usage 5.56 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.271 s0.255 s-0.016 s3.54 MiB3.72 MiB+ 180.17 KiB
/wp-admin/edit.php0.170 s0.201 s+0.031 s3.57 MiB3.81 MiB+ 242.34 KiB
/wp-admin/post-new.php0.756 s0.675 s-0.081 s5.46 MiB5.59 MiB+ 134.16 KiB
/wp-admin/upload.php0.495 s0.399 s-0.096 s3.41 MiB3.64 MiB+ 243.01 KiB
/wp-admin/options-writing.php0.138 s0.154 s+0.016 s3.4 MiB3.62 MiB+ 224.74 KiB
/wp-admin/media-new.php0.228 s0.168 s-0.060 s3.38 MiB3.62 MiB+ 243.18 KiB
/wp-admin/edit-tags.php?taxonomy=category0.167 s0.174 s+0.007 s3.48 MiB3.65 MiB+ 179.35 KiB
/wp-admin/post-new.php?post_type=page0.731 s0.597 s-0.134 s5.46 MiB5.58 MiB+ 129.77 KiB
/wp-admin/options-discussion.php0.228 s0.197 s-0.031 s3.38 MiB3.62 MiB+ 243.07 KiB
/wp-admin/edit-comments.php0.180 s0.197 s+0.017 s3.48 MiB3.66 MiB+ 178.3 KiB
/0.241 s0.204 s-0.037 s3.44 MiB3.52 MiB+ 84.87 KiB
Average 0.328 s0.293 s-0.035 s3.82 MiB4 MiB+ 189.36 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
JavaScript
Language % Lines of code Comment lines Files
PHP68.5%8,3805,402123
JavaScript14.7%1,79619137
CSS8.0%982408
Markdown7.2%88601
SVG0.8%9513
XML0.7%9102
Total 12,230 5,634 174

PHP Code Analysis | More results »

Lines of code 6,969
Total complexity 1,411
Median class complexity 13.5
Median method complexity 1.0
Most complex class MC4WP_API_V3
Most complex function _mc4wp_update_groupings_data()
Classes 66
Methods 557
Functions 56

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

User Metadata wp_usermeta 1

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