Report - Contact Form 7 6.1.6

Does Contact Form 7 work with WordPress 7.0.4 and PHP 8.1.12? A smoke test was performed on 2026-08-12 15:33:03 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: 228.3 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	7.0.4
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-08-17T04:10:00+00:00
Active installs	10,000,000+
WordPress.org page	https://wordpress.org/plugins/contact-form-7/
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%2Fwp-contact-form-7.php&plugin_status=all&paged=1&s&_wpnonce=0ca2a12cd3
Aspect	after-activation
HTTP status	200
Load time	1.015 s
Memory usage	4.29 MiB
JS errors	None
Resource errors	None

Contact

URL	/wp-admin/admin.php?page=wpcf7
Aspect	menu-item
HTTP status	200
Load time	0.510 s
Memory usage	4.47 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	0.567 s
Memory usage	4.49 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	0.746 s
Memory usage	4.36 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.297 s
Memory usage	4.41 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.658 s	0.668 s	+0.010 s	3.92 MiB	4.2 MiB	+ 285.94 KiB
/wp-admin/edit.php	0.509 s	0.514 s	+0.005 s	3.98 MiB	4.2 MiB	+ 221.9 KiB
/wp-admin/post-new.php	2.129 s	1.957 s	-0.172 s	6.56 MiB	6.8 MiB	+ 247.27 KiB
/wp-admin/upload.php	0.744 s	0.686 s	-0.058 s	3.89 MiB	4.09 MiB	+ 204.18 KiB
/wp-admin/options-writing.php	0.527 s	0.509 s	-0.018 s	3.86 MiB	4.06 MiB	+ 208.23 KiB
/wp-admin/media-new.php	0.566 s	0.464 s	-0.102 s	3.85 MiB	4.06 MiB	+ 216.42 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.502 s	0.797 s	+0.295 s	3.86 MiB	4.08 MiB	+ 221.63 KiB
/wp-admin/post-new.php?post_type=page	1.824 s	1.422 s	-0.402 s	6.55 MiB	6.79 MiB	+ 244.34 KiB
/wp-admin/options-discussion.php	0.745 s	0.786 s	+0.041 s	3.86 MiB	4.06 MiB	+ 204.69 KiB
/wp-admin/edit-comments.php	0.532 s	0.531 s	-0.001 s	3.88 MiB	4.15 MiB	+ 268.79 KiB
/	0.297 s	0.209 s	-0.088 s	4.23 MiB	4.41 MiB	+ 187.91 KiB
Average	0.821 s	0.777 s	-0.045 s	4.4 MiB	4.63 MiB	+ 228.3 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

Language		%	Lines of code	Comment lines	Files
	PHP	93.4%	16,910	2,810	109
	CSS	6.2%	1,122	65	6
	JSON	0.2%	38	0	1
	JavaScript	0.2%	29	0	7
	SVG	0.0%	1	0	1
Total			18,100	2,875	124

PHP Code Analysis | More results »

Lines of code	16,514
Total complexity	2,811
Median class complexity	8.5
Median method complexity	2.0
Most complex class	WPCF7_ContactForm
Most complex function	WPCF7_HTMLFormatter::append_start_tag()

Classes	66
Methods	501
Functions	308

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

wpcf7

Custom Post Types 1

ID	Name
wpcf7_contact_form	Contact Forms

PHP Error Log

The log file is empty.

Contact Form 7 6.1.6