Report - MailChimp for WordPress 4.2.2

Does MailChimp for WordPress work with WordPress 4.9.6 and PHP 7.0.16? A smoke test was performed on 2018-05-22 08:40:41 UTC.

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: 247.92 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 version	4.9.6
PHP version	7.0.16
MySQL version	5.7.17
PHP memory limit	256M

Plugin Info

Last updated	2025-10-21T07:42:00+00:00
Active installs	2,000,000+
WordPress.org page	https://wordpress.org/plugins/mailchimp-for-wp/
Badges	Get badge code

Pages 8

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?activate=true&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=0d7ae4d537
Aspect	after-activation
HTTP status	200 OK
Load time	0.150 s
Memory usage	3.37 MiB
JS errors	None
Resource errors	None

MailChimp for WP

URL	/wp-admin/admin.php?page=mailchimp-for-wp
Aspect	menu-item
HTTP status	200 OK
Load time	0.043 s
Memory usage	3.37 MiB
JS errors	None
Resource errors	None

MailChimp for WP → 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 OK
Load time	0.067 s
Memory usage	3.46 MiB
JS errors	None
Resource errors	None

MailChimp for WP → Integrations

URL	/wp-admin/admin.php?page=mailchimp-for-wp-integrations
Aspect	menu-item
HTTP status	200 OK
Load time	0.072 s
Memory usage	3.4 MiB
JS errors	None
Resource errors	None

MailChimp for WP → Other

URL	/wp-admin/admin.php?page=mailchimp-for-wp-other
Aspect	menu-item
HTTP status	200 OK
Load time	0.036 s
Memory usage	3.4 MiB
JS errors	None
Resource errors	None

MailChimp for WP → Add-ons

URL	/wp-admin/admin.php?page=mailchimp-for-wp-extensions
Aspect	menu-item
HTTP status	200 OK
Load time	0.033 s
Memory usage	3.3 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200 OK
Load time	0.078 s
Memory usage	2.91 MiB
JS errors	None
Resource errors	None

Widgets ‹ Test site — WordPress

URL	/wp-admin/widgets.php
Aspect	new-sidebar-widgets
HTTP status	200 OK
Load time	0.113 s
Memory usage	3.33 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.107 s	0.083 s	-0.024 s	3.09 MiB	3.34 MiB	+ 254.76 KiB
/wp-admin/edit.php	0.124 s	0.103 s	-0.021 s	3.12 MiB	3.37 MiB	+ 258.81 KiB
/wp-admin/post-new.php	0.172 s	0.185 s	+0.013 s	3.19 MiB	3.44 MiB	+ 261.27 KiB
/wp-admin/upload.php	0.112 s	0.115 s	+0.003 s	2.96 MiB	3.2 MiB	+ 252.94 KiB
/wp-admin/options-writing.php	0.118 s	0.086 s	-0.032 s	3.04 MiB	3.25 MiB	+ 213.46 KiB
/wp-admin/media-new.php	0.059 s	0.074 s	+0.015 s	2.94 MiB	3.19 MiB	+ 253.11 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.111 s	0.085 s	-0.026 s	2.98 MiB	3.29 MiB	+ 318.02 KiB
/wp-admin/post-new.php?post_type=page	0.203 s	0.153 s	-0.050 s	3.19 MiB	3.44 MiB	+ 254.02 KiB
/wp-admin/options-discussion.php	0.101 s	0.083 s	-0.018 s	2.94 MiB	3.19 MiB	+ 253.73 KiB
/wp-admin/edit-comments.php	0.099 s	0.113 s	+0.014 s	2.98 MiB	3.29 MiB	+ 316.96 KiB
/	0.118 s	0.132 s	+0.014 s	2.82 MiB	2.91 MiB	+ 90.08 KiB
Average	0.120 s	0.110 s	-0.010 s	3.02 MiB	3.27 MiB	+ 247.92 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

mc4wp
mc4wp_flash_messages
mc4wp_version
widget_mc4wp_form_widget

Custom Post Types 1

ID	Name
mc4wp-form	MailChimp Sign-up Forms

Sidebar Widgets 1

ID	Name
mc4wp_form_widget	MailChimp Sign-Up Form

PHP Error Log

The log file is empty.

MailChimp for WordPress 4.2.2