Report - MailChimp for WordPress 4.2

Does MailChimp for WordPress work with WordPress 4.9.5 and PHP 7.0.16? A smoke test was performed on 2018-04-03 22:34:25 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: 277.51 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	4.9.5
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=73253183d9
Aspect	after-activation
HTTP status	200 OK
Load time	0.125 s
Memory usage	3.31 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	0.037 s
Memory usage	3.26 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	0.087 s
Memory usage	3.34 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	0.082 s
Memory usage	3.34 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	0.032 s
Memory usage	3.28 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	0.074 s
Memory usage	3.25 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200 OK
Load time	0.106 s
Memory usage	2.89 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	0.087 s
Memory usage	3.21 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.112 s	0.095 s	-0.017 s	2.97 MiB	3.29 MiB	+ 317.88 KiB
/wp-admin/edit.php	0.093 s	0.111 s	+0.018 s	3 MiB	3.32 MiB	+ 322.25 KiB
/wp-admin/post-new.php	0.196 s	0.209 s	+0.013 s	3.07 MiB	3.39 MiB	+ 324.71 KiB
/wp-admin/upload.php	0.080 s	0.120 s	+0.040 s	2.9 MiB	3.15 MiB	+ 253.45 KiB
/wp-admin/options-writing.php	0.081 s	0.086 s	+0.005 s	2.89 MiB	3.14 MiB	+ 253.45 KiB
/wp-admin/media-new.php	0.047 s	0.084 s	+0.037 s	2.88 MiB	3.13 MiB	+ 253.45 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.074 s	0.105 s	+0.031 s	2.92 MiB	3.17 MiB	+ 253.45 KiB
/wp-admin/post-new.php?post_type=page	0.192 s	0.162 s	-0.030 s	3.07 MiB	3.38 MiB	+ 317.45 KiB
/wp-admin/options-discussion.php	0.086 s	0.068 s	-0.018 s	2.89 MiB	3.13 MiB	+ 253.77 KiB
/wp-admin/edit-comments.php	0.077 s	0.084 s	+0.007 s	2.93 MiB	3.24 MiB	+ 317.49 KiB
/	0.085 s	0.099 s	+0.014 s	2.71 MiB	2.89 MiB	+ 185.28 KiB
Average	0.102 s	0.111 s	+0.009 s	2.93 MiB	3.2 MiB	+ 277.51 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