Report - Contact Form 7 5.5.1

Does Contact Form 7 work with WordPress 5.8.1 and PHP 7.4.8? A smoke test was performed on 2021-10-11 15:13:33 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: 200.72 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	5.8.1
PHP version	7.4.8
MySQL version	8.0.21
PHP memory limit	256M

Plugin Info

Last updated	2026-02-08T09:32:00+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=051aaba7cc
Aspect	after-activation
HTTP status	200
Load time	0.418 s
Memory usage	3.29 MiB
JS errors	None
Resource errors	None

Contact

URL	/wp-admin/admin.php?page=wpcf7
Aspect	menu-item
HTTP status	200
Load time	0.179 s
Memory usage	3.29 MiB
JS errors	None
Resource errors	None

Contact → Add New

URL	/wp-admin/admin.php?page=wpcf7-new
Aspect	menu-item
HTTP status	200
Load time	0.275 s
Memory usage	3.35 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	0.156 s
Memory usage	3.19 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.240 s
Memory usage	3.12 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.284 s	0.252 s	-0.032 s	3.08 MiB	3.32 MiB	+ 247.35 KiB
/wp-admin/edit.php	0.160 s	0.171 s	+0.011 s	3.11 MiB	3.36 MiB	+ 250.04 KiB
/wp-admin/post-new.php	0.688 s	1.135 s	+0.447 s	5.27 MiB	5.41 MiB	+ 143.28 KiB
/wp-admin/upload.php	0.340 s	0.262 s	-0.078 s	3.03 MiB	3.21 MiB	+ 182.24 KiB
/wp-admin/options-writing.php	0.346 s	0.125 s	-0.221 s	3.02 MiB	3.19 MiB	+ 166.23 KiB
/wp-admin/media-new.php	0.273 s	0.302 s	+0.029 s	3.01 MiB	3.19 MiB	+ 182.41 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.183 s	0.164 s	-0.019 s	3.04 MiB	3.28 MiB	+ 247.35 KiB
/wp-admin/post-new.php?post_type=page	0.538 s	0.613 s	+0.075 s	5.26 MiB	5.4 MiB	+ 142.93 KiB
/wp-admin/options-discussion.php	0.320 s	0.200 s	-0.120 s	3 MiB	3.18 MiB	+ 182.74 KiB
/wp-admin/edit-comments.php	0.183 s	0.185 s	+0.002 s	3.04 MiB	3.28 MiB	+ 246.25 KiB
/	0.243 s	0.211 s	-0.032 s	2.91 MiB	3.12 MiB	+ 217.09 KiB
Average	0.323 s	0.329 s	+0.006 s	3.43 MiB	3.63 MiB	+ 200.72 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	90.1%	12,939	1,012	61
	CSS	6.6%	950	68	6
	JavaScript	3.2%	465	4	7
	SVG	0.0%	1	0	1
Total			14,355	1,084	75

PHP Code Analysis | More results »

Lines of code	13,046
Total complexity	2,405
Median class complexity	17.0
Median method complexity	2.0
Most complex class	WPCF7_ContactForm
Most complex function	wpcf7_load_contact_form_admin()

Classes	34
Methods	388
Functions	267

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 5.5.1