MC4WP: Mailchimp for WordPress 4.8.5

Does MC4WP: Mailchimp for WordPress work with WordPress 5.7.2 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: 206.35 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 version5.7.2
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=022b0b3e08
Aspect after-activation
HTTP status 200
Load time 0.379 s
Memory usage 3.08 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 0.238 s
Memory usage 2.97 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 0.199 s
Memory usage 2.98 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 0.179 s
Memory usage 2.99 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 0.157 s
Memory usage 2.99 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 0.166 s
Memory usage 2.95 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 0.207 s
Memory usage 2.74 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 0.777 s
Memory usage 3 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.243 s0.262 s+0.019 s2.82 MiB2.99 MiB+ 176.14 KiB
/wp-admin/edit.php0.182 s0.186 s+0.004 s2.86 MiB3.1 MiB+ 238.3 KiB
/wp-admin/post-new.php1.176 s0.898 s-0.278 s5.02 MiB5.28 MiB+ 265.28 KiB
/wp-admin/upload.php0.452 s0.430 s-0.022 s2.7 MiB2.92 MiB+ 230.64 KiB
/wp-admin/options-writing.php0.152 s0.248 s+0.096 s2.71 MiB2.9 MiB+ 198.25 KiB
/wp-admin/media-new.php0.232 s0.197 s-0.035 s2.67 MiB2.9 MiB+ 230.45 KiB
/wp-admin/edit-tags.php?taxonomy=category0.188 s0.185 s-0.003 s2.77 MiB2.93 MiB+ 167.35 KiB
/wp-admin/post-new.php?post_type=page1.106 s1.003 s-0.103 s5.01 MiB5.27 MiB+ 264.87 KiB
/wp-admin/options-discussion.php0.290 s0.279 s-0.011 s2.67 MiB2.9 MiB+ 231.07 KiB
/wp-admin/edit-comments.php0.238 s0.211 s-0.027 s2.78 MiB2.95 MiB+ 174.3 KiB
/0.270 s0.219 s-0.051 s2.65 MiB2.74 MiB+ 93.23 KiB
Average 0.412 s0.374 s-0.037 s3.15 MiB3.35 MiB+ 206.35 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
CSS
Language % Lines of code Comment lines Files
PHP68.3%8,2455,367123
JavaScript14.9%1,79819137
CSS8.2%988408
Markdown7.1%86201
SVG0.8%9513
XML0.8%9102
Total 12,079 5,599 174

PHP Code Analysis | More results »

Lines of code 6,843
Total complexity 1,400
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 555
Functions 54

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