MC4WP: Mailchimp for WordPress 4.8.2

Does MC4WP: Mailchimp for WordPress work with WordPress 5.6 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: 195.62 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 version5.6
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=edd2102335
Aspect after-activation
HTTP status 200
Load time 0.283 s
Memory usage 3.05 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 0.253 s
Memory usage 2.94 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 0.221 s
Memory usage 2.95 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 0.187 s
Memory usage 2.95 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 0.164 s
Memory usage 2.96 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 0.183 s
Memory usage 2.92 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 0.193 s
Memory usage 2.71 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 0.926 s
Memory usage 2.97 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.269 s0.298 s+0.029 s2.79 MiB2.96 MiB+ 174.11 KiB
/wp-admin/edit.php0.181 s0.193 s+0.012 s2.84 MiB3 MiB+ 172.27 KiB
/wp-admin/post-new.php1.399 s0.719 s-0.680 s4.93 MiB5.17 MiB+ 245.95 KiB
/wp-admin/upload.php0.498 s0.434 s-0.064 s2.67 MiB2.89 MiB+ 227.88 KiB
/wp-admin/options-writing.php0.258 s0.168 s-0.090 s2.68 MiB2.87 MiB+ 196.22 KiB
/wp-admin/media-new.php0.212 s0.177 s-0.035 s2.65 MiB2.87 MiB+ 228.41 KiB
/wp-admin/edit-tags.php?taxonomy=category0.174 s0.185 s+0.011 s2.68 MiB2.9 MiB+ 229.32 KiB
/wp-admin/post-new.php?post_type=page0.620 s0.570 s-0.050 s4.92 MiB5.16 MiB+ 245.54 KiB
/wp-admin/options-discussion.php0.195 s0.220 s+0.025 s2.65 MiB2.87 MiB+ 229.04 KiB
/wp-admin/edit-comments.php0.210 s0.210 s+0.000 s2.75 MiB2.91 MiB+ 164.27 KiB
/0.279 s0.217 s-0.062 s2.67 MiB2.71 MiB+ 38.78 KiB
Average 0.390 s0.308 s-0.082 s3.11 MiB3.3 MiB+ 195.62 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.

JavaScript
PHP
Language % Lines of code Comment lines Files
JavaScript60.3%16,8302,0078
PHP29.8%8,3285,413124
CSS6.2%1,721735
Markdown3.0%85101
SVG0.3%9513
XML0.3%9102
Total 27,916 7,494 143

PHP Code Analysis | More results »

Lines of code 6,937
Total complexity 1,420
Median class complexity 14.0
Median method complexity 1.0
Most complex class MC4WP_API_V3
Most complex function _mc4wp_update_groupings_data()
Classes 67
Methods 561
Functions 53

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