Report - Contact Form 7 6.1.4

Does Contact Form 7 work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-02 20:34:26 UTC.

Summary

Errors

4	PHP deprecation warnings
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 258.55 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	2025-11-30T07:47:00+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=860a763bff
Aspect	after-activation
HTTP status	200
Load time	0.474 s
Memory usage	4.16 MiB
JS errors	None
Resource errors	None

Contact

URL	/wp-admin/admin.php?page=wpcf7
Aspect	menu-item
HTTP status	200
Load time	0.284 s
Memory usage	4.27 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	0.346 s
Memory usage	4.3 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	0.246 s
Memory usage	4.22 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.222 s
Memory usage	4.3 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.716 s	0.912 s	+0.196 s	3.78 MiB	4.01 MiB	+ 240.1 KiB
/wp-admin/edit.php	0.413 s	0.378 s	-0.035 s	3.78 MiB	4.06 MiB	+ 287.11 KiB
/wp-admin/post-new.php	0.828 s	1.033 s	+0.205 s	6.31 MiB	6.66 MiB	+ 366.6 KiB
/wp-admin/upload.php	0.480 s	0.403 s	-0.077 s	3.74 MiB	3.96 MiB	+ 228.47 KiB
/wp-admin/options-writing.php	0.670 s	0.293 s	-0.377 s	3.71 MiB	3.94 MiB	+ 232.47 KiB
/wp-admin/media-new.php	0.589 s	0.424 s	-0.165 s	3.7 MiB	3.94 MiB	+ 240.66 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.297 s	0.286 s	-0.011 s	3.72 MiB	3.96 MiB	+ 245.86 KiB
/wp-admin/post-new.php?post_type=page	0.819 s	0.652 s	-0.167 s	6.3 MiB	6.65 MiB	+ 359.41 KiB
/wp-admin/options-discussion.php	0.352 s	0.673 s	+0.321 s	3.71 MiB	3.94 MiB	+ 228.98 KiB
/wp-admin/edit-comments.php	0.305 s	0.375 s	+0.070 s	3.73 MiB	3.96 MiB	+ 228.47 KiB
/	0.280 s	0.203 s	-0.077 s	4.12 MiB	4.3 MiB	+ 185.97 KiB
Average	0.523 s	0.512 s	-0.011 s	4.24 MiB	4.49 MiB	+ 258.55 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%	16,893	2,807	109
	CSS	6.2%	1,121	65	6
	JSON	0.2%	38	0	1
	JavaScript	0.2%	29	0	7
	SVG	0.0%	1	0	1
Total			18,082	2,872	124

PHP Code Analysis | More results »

Lines of code	16,497
Total complexity	2,808
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	500
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 4 lines

[02-Dec-2025 20:34:49 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 20:34:49 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 20:34:59 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 20:34:59 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131

Contact Form 7 6.1.4