Report - Connect Contact Form 7 and Mailchimp 0.9.73

Does "Connect Contact Form 7 and Mailchimp" work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2026-01-26 22:45:42 UTC.

Summary

Errors

	No PHP errors, warnings or notices
	No JavaScript exceptions
1	Page failed to load 1 403 Forbidden
	No resource errors

Performance

Memory usage: 151.8 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	6.9
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 2

WordPress › Error

URL	/wp-admin/admin.php?page=wpcf7&post=0&action=edit&active-tab=Chimpmatic
Requested URL	/wp-admin/plugins.php?action=activate&plugin=contact-form-7-mailchimp-extension%2Fchimpmatic-lite.php&plugin_status=all&paged=1&s&_wpnonce=d611a694df
Aspect	after-activation
HTTP status	403
Load time	0.408 s
Memory usage	N/A
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.204 s
Memory usage	4.21 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.474 s	0.353 s	-0.121 s	3.77 MiB	3.89 MiB	+ 119.55 KiB
/wp-admin/edit.php	0.360 s	0.332 s	-0.028 s	3.78 MiB	3.94 MiB	+ 164.65 KiB
/wp-admin/post-new.php	0.883 s	0.748 s	-0.135 s	6.3 MiB	6.65 MiB	+ 352.47 KiB
/wp-admin/upload.php	0.533 s	0.499 s	-0.034 s	3.74 MiB	3.83 MiB	+ 100.68 KiB
/wp-admin/options-writing.php	0.340 s	0.349 s	+0.009 s	3.71 MiB	3.81 MiB	+ 104.19 KiB
/wp-admin/media-new.php	0.517 s	0.291 s	-0.226 s	3.7 MiB	3.81 MiB	+ 112.38 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.334 s	0.294 s	-0.040 s	3.71 MiB	3.83 MiB	+ 117.1 KiB
/wp-admin/post-new.php?post_type=page	0.698 s	0.683 s	-0.015 s	6.29 MiB	6.57 MiB	+ 281.95 KiB
/wp-admin/options-discussion.php	0.335 s	0.378 s	+0.043 s	3.71 MiB	3.81 MiB	+ 100.69 KiB
/wp-admin/edit-comments.php	0.332 s	0.331 s	-0.001 s	3.73 MiB	3.83 MiB	+ 99.73 KiB
/	0.305 s	0.200 s	-0.105 s	4.1 MiB	4.21 MiB	+ 116.41 KiB
Average	0.465 s	0.405 s	-0.059 s	4.23 MiB	4.38 MiB	+ 151.8 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

JavaScript

CSS

Language		%	Lines of code	Comment lines	Files
	PHP	63.0%	8,152	928	83
	JavaScript	23.9%	3,092	99	4
	CSS	13.1%	1,690	23	2
	SVG	0.0%	1	0	1
Total			12,935	1,050	90

PHP Code Analysis | More results »

Lines of code	8,138
Total complexity	1,620
Median class complexity	17.0
Median method complexity	2.0
Most complex class	Cmatic\Metrics\Core\Collectors\Forms_Collector
Most complex function	Cmatic_Submission_Feedback::success()

Classes	76
Methods	507
Functions	1

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` 2

cmatic
cmatic_initialized

User Metadata `wp_usermeta` 1

wp_cmatic_notifications

PHP Error Log

The log file is empty.

Connect Contact Form 7 and Mailchimp 0.9.73