Report - Connect Contact Form 7 and Mailchimp 0.5.73

Does "Contact Form 7 Extension For Mailchimp" work with WordPress 6.8.2 and PHP 8.1.12? A smoke test was performed on 2025-07-15 21:23:02 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: 288.7 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	6.8.2
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-02-26T04:46:00+00:00
Active installs	50,000+
WordPress.org page	https://wordpress.org/plugins/contact-form-7-mailchimp-extension/
Badges	Get badge code

Pages 5

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=contact-form-7-mailchimp-extension%2Fchimpmatic-lite.php&plugin_status=all&paged=1&s&_wpnonce=241ea23448
Aspect	after-activation
HTTP status	200
Load time	1.418 s
Memory usage	5.44 MiB
JS errors	None
Resource errors	None

Contact

URL	/wp-admin/admin.php?page=wpcf7
Aspect	menu-item
HTTP status	200
Load time	0.233 s
Memory usage	3.99 MiB
JS errors	None
Resource errors	None

Contact → Add Contact Form

URL	/wp-admin/admin.php?page=wpcf7-new
Aspect	menu-item
HTTP status	200
Load time	0.768 s
Memory usage	4.15 MiB
JS errors	None
Resource errors	None

Contact → Integration

URL	/wp-admin/admin.php?page=wpcf7-integration
Aspect	menu-item
HTTP status	200
Load time	0.240 s
Memory usage	3.95 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.354 s
Memory usage	3.67 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.541 s	0.506 s	-0.035 s	3.51 MiB	3.8 MiB	+ 293.73 KiB
/wp-admin/edit.php	0.227 s	0.214 s	-0.013 s	3.58 MiB	3.88 MiB	+ 316.44 KiB
/wp-admin/post-new.php	0.865 s	1.206 s	+0.341 s	6.06 MiB	6.45 MiB	+ 393.82 KiB
/wp-admin/upload.php	0.857 s	0.583 s	-0.274 s	3.53 MiB	3.79 MiB	+ 271.2 KiB
/wp-admin/options-writing.php	0.233 s	0.289 s	+0.056 s	3.51 MiB	3.77 MiB	+ 275.2 KiB
/wp-admin/media-new.php	0.281 s	0.219 s	-0.062 s	3.5 MiB	3.77 MiB	+ 283.38 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.192 s	0.223 s	+0.031 s	3.51 MiB	3.79 MiB	+ 283.09 KiB
/wp-admin/post-new.php?post_type=page	1.219 s	0.766 s	-0.453 s	6.11 MiB	6.43 MiB	+ 327.88 KiB
/wp-admin/options-discussion.php	0.442 s	0.323 s	-0.119 s	3.5 MiB	3.77 MiB	+ 277.53 KiB
/wp-admin/edit-comments.php	0.262 s	0.255 s	-0.007 s	3.52 MiB	3.79 MiB	+ 276.4 KiB
/	0.290 s	0.268 s	-0.022 s	3.5 MiB	3.67 MiB	+ 177.07 KiB
Average	0.492 s	0.441 s	-0.051 s	3.98 MiB	4.27 MiB	+ 288.7 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.

PHP

CSS

Language		%	Lines of code	Comment lines	Files
	PHP	69.8%	2,346	551	20
	CSS	22.7%	763	93	3
	JavaScript	7.5%	251	74	2
	SVG	0.0%	1	0	1
Total			3,361	718	26

PHP Code Analysis | More results »

Lines of code	2,298
Total complexity	334
Median class complexity	4.5
Median method complexity	1.0
Most complex class	chimp_db_log
Most complex function	wpcf7_mch_subscribe_remote()

Classes	2
Methods	4
Functions	92

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` 9

cf7_mch_
chimpmatic-update
mce_conten_panel_lateralbanner
mce_conten_panel_master
mce_conten_panel_welcome
mce_conten_tittle_master
mce_loyalty
mce_show_update_news
wpcf7

Custom Post Types 1

ID	Name
wpcf7_contact_form	Contact Forms

PHP Error Log

The log file is empty.

Connect Contact Form 7 and Mailchimp 0.5.73