Report - Connect Contact Form 7 and Mailchimp 0.9.49

Does "Connect Contact Form 7 and Mailchimp" work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2026-01-01 00:34:25 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: 79.3 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=&active-tab=chimpmatic-lite-panel
Requested URL	/wp-admin/plugins.php?action=activate&plugin=contact-form-7-mailchimp-extension%2Fchimpmatic-lite.php&plugin_status=all&paged=1&s&_wpnonce=bbba024ef3
Aspect	after-activation
HTTP status	403
Load time	0.420 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	0.272 s
Memory usage	4.18 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	1.072 s	0.774 s	-0.298 s	3.78 MiB	3.81 MiB	+ 38.91 KiB
/wp-admin/edit.php	0.474 s	0.484 s	+0.010 s	3.78 MiB	3.85 MiB	+ 64.34 KiB
/wp-admin/post-new.php	1.132 s	0.985 s	-0.147 s	6.31 MiB	6.48 MiB	+ 175.73 KiB
/wp-admin/upload.php	0.593 s	0.443 s	-0.150 s	3.74 MiB	3.79 MiB	+ 54.1 KiB
/wp-admin/options-writing.php	0.333 s	0.485 s	+0.152 s	3.71 MiB	3.77 MiB	+ 57.61 KiB
/wp-admin/media-new.php	0.424 s	0.383 s	-0.041 s	3.7 MiB	3.77 MiB	+ 65.8 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.316 s	0.308 s	-0.008 s	3.72 MiB	3.78 MiB	+ 70.52 KiB
/wp-admin/post-new.php?post_type=page	1.426 s	0.730 s	-0.696 s	6.3 MiB	6.46 MiB	+ 169.22 KiB
/wp-admin/options-discussion.php	0.453 s	0.589 s	+0.136 s	3.71 MiB	3.77 MiB	+ 54.11 KiB
/wp-admin/edit-comments.php	0.343 s	0.400 s	+0.057 s	3.73 MiB	3.79 MiB	+ 53.16 KiB
/	0.414 s	0.379 s	-0.035 s	4.12 MiB	4.18 MiB	+ 68.81 KiB
Average	0.635 s	0.542 s	-0.093 s	4.24 MiB	4.31 MiB	+ 79.3 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	59.3%	5,138	1,373	34
	JavaScript	24.0%	2,083	59	5
	CSS	15.4%	1,331	10	2
	Markdown	1.3%	113	0	1
	SVG	0.0%	1	0	1
Total			8,666	1,442	43

PHP Code Analysis | More results »

Lines of code	4,813
Total complexity	989
Median class complexity	22.0
Median method complexity	2.0
Most complex class	Cmatic\Metrics\Core\Collector
Most complex function	cmatic_subscribe_submission()

Classes	19
Methods	176
Functions	74

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` 1

cmatic

User Metadata `wp_usermeta` 1

wp_cmatic_notifications

PHP Error Log

The log file is empty.

Connect Contact Form 7 and Mailchimp 0.9.49