Report - Connect Contact Form 7 and Mailchimp 0.9.74

Does "Connect Contact Form 7 and Mailchimp" work with WordPress 6.9.1 and PHP 8.1.12? A smoke test was performed on 2026-02-04 00:38:52 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: 151.37 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	6.9.1
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=4b8811680f
Aspect	after-activation
HTTP status	403
Load time	0.395 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	0.196 s
Memory usage	4.22 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.383 s	0.475 s	+0.092 s	3.78 MiB	3.89 MiB	+ 119.48 KiB
/wp-admin/edit.php	0.359 s	0.362 s	+0.003 s	3.78 MiB	3.94 MiB	+ 164.57 KiB
/wp-admin/post-new.php	0.850 s	1.116 s	+0.266 s	6.31 MiB	6.65 MiB	+ 352.47 KiB
/wp-admin/upload.php	0.651 s	0.544 s	-0.107 s	3.74 MiB	3.84 MiB	+ 100.68 KiB
/wp-admin/options-writing.php	0.309 s	0.322 s	+0.013 s	3.71 MiB	3.81 MiB	+ 104.19 KiB
/wp-admin/media-new.php	0.604 s	0.294 s	-0.310 s	3.7 MiB	3.81 MiB	+ 112.38 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.511 s	0.294 s	-0.217 s	3.72 MiB	3.83 MiB	+ 117.1 KiB
/wp-admin/post-new.php?post_type=page	0.675 s	0.892 s	+0.217 s	6.3 MiB	6.57 MiB	+ 277.48 KiB
/wp-admin/options-discussion.php	0.329 s	0.380 s	+0.051 s	3.71 MiB	3.81 MiB	+ 100.69 KiB
/wp-admin/edit-comments.php	0.338 s	0.340 s	+0.002 s	3.73 MiB	3.83 MiB	+ 99.73 KiB
/	0.288 s	0.198 s	-0.090 s	4.11 MiB	4.22 MiB	+ 116.34 KiB
Average	0.482 s	0.474 s	-0.007 s	4.24 MiB	4.38 MiB	+ 151.37 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	63.1%	8,188	928	83
	JavaScript	23.9%	3,108	101	4
	CSS	13.0%	1,689	24	2
	SVG	0.0%	1	0	1
Total			12,986	1,053	90

PHP Code Analysis | More results »

Lines of code	8,171
Total complexity	1,646
Median class complexity	18.0
Median method complexity	2.0
Most complex class	Cmatic\Metrics\Core\Collectors\Forms_Collector
Most complex function	Cmatic_Submission_Feedback::success()

Classes	76
Methods	510
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 0.9.74