MC4WP: Mailchimp for WordPress 4.8.1

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: 196 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/
Badges

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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=4c2eb27f00
Aspect after-activation
HTTP status 200
Load time 0.303 s
Memory usage 3.03 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 0.299 s
Memory usage 2.93 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 0.197 s
Memory usage 2.93 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 0.184 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 0.184 s
Memory usage 2.95 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 0.177 s
Memory usage 2.91 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 0.170 s
Memory usage 2.69 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 0.827 s
Memory usage 2.96 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.264 s0.437 s+0.173 s2.78 MiB2.95 MiB+ 174.11 KiB
/wp-admin/edit.php0.176 s0.319 s+0.143 s2.82 MiB2.99 MiB+ 172.27 KiB
/wp-admin/post-new.php0.915 s0.988 s+0.073 s4.92 MiB5.16 MiB+ 245.95 KiB
/wp-admin/upload.php0.470 s0.361 s-0.109 s2.65 MiB2.88 MiB+ 227.88 KiB
/wp-admin/options-writing.php0.216 s0.189 s-0.027 s2.67 MiB2.86 MiB+ 196.22 KiB
/wp-admin/media-new.php0.223 s0.185 s-0.038 s2.63 MiB2.85 MiB+ 228.41 KiB
/wp-admin/edit-tags.php?taxonomy=category0.188 s0.195 s+0.007 s2.67 MiB2.89 MiB+ 229.32 KiB
/wp-admin/post-new.php?post_type=page1.088 s0.895 s-0.193 s4.91 MiB5.15 MiB+ 249.54 KiB
/wp-admin/options-discussion.php0.305 s0.277 s-0.028 s2.63 MiB2.86 MiB+ 229.04 KiB
/wp-admin/edit-comments.php0.290 s0.220 s-0.070 s2.73 MiB2.9 MiB+ 164.27 KiB
/0.509 s0.233 s-0.276 s2.66 MiB2.69 MiB+ 39.03 KiB
Average 0.422 s0.391 s-0.031 s3.1 MiB3.29 MiB+ 196 KiB

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