Report - MailChimp for WordPress 4.3

Does MailChimp for WordPress work with WordPress 4.9.8 and PHP 7.0.16? A smoke test was performed on 2018-11-28 10:11:49 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: 244.88 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	4.9.8
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=c5248e293d
Aspect	after-activation
HTTP status	200 OK
Load time	0.142 s
Memory usage	3.39 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	0.035 s
Memory usage	3.4 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	0.117 s
Memory usage	3.49 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	0.084 s
Memory usage	3.41 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	0.035 s
Memory usage	3.41 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	0.080 s
Memory usage	3.32 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200 OK
Load time	0.065 s
Memory usage	2.93 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	0.080 s
Memory usage	3.35 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.136 s	0.097 s	-0.039 s	3.12 MiB	3.36 MiB	+ 248.02 KiB
/wp-admin/edit.php	0.093 s	0.106 s	+0.013 s	3.14 MiB	3.39 MiB	+ 252.39 KiB
/wp-admin/post-new.php	0.195 s	0.184 s	-0.011 s	3.21 MiB	3.46 MiB	+ 254.85 KiB
/wp-admin/upload.php	0.109 s	0.108 s	-0.001 s	2.99 MiB	3.23 MiB	+ 245.75 KiB
/wp-admin/options-writing.php	0.089 s	0.071 s	-0.018 s	3.06 MiB	3.28 MiB	+ 222.95 KiB
/wp-admin/media-new.php	0.049 s	0.071 s	+0.022 s	2.97 MiB	3.21 MiB	+ 246.69 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.083 s	0.077 s	-0.006 s	3.01 MiB	3.31 MiB	+ 311.59 KiB
/wp-admin/post-new.php?post_type=page	0.163 s	0.169 s	+0.006 s	3.22 MiB	3.46 MiB	+ 247.59 KiB
/wp-admin/options-discussion.php	0.081 s	0.074 s	-0.007 s	2.97 MiB	3.21 MiB	+ 247.31 KiB
/wp-admin/edit-comments.php	0.106 s	0.090 s	-0.016 s	3.01 MiB	3.32 MiB	+ 310.54 KiB
/	0.101 s	0.112 s	+0.011 s	2.83 MiB	2.93 MiB	+ 106.01 KiB
Average	0.110 s	0.105 s	-0.004 s	3.05 MiB	3.29 MiB	+ 244.88 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 4.3