Contact Form 7 Extension For Mailchimp 0.5.21

Does "Contact Form 7 Extension For Mailchimp" work with WordPress 5.5 and PHP 7.2.16? A smoke test was performed on .

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: 385.42 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 version5.5
PHP version7.2.16
MySQL version8.0.15
PHP memory limit256M
Plugin Info
Last updated
Active installs 50,000+
WordPress.org page https://wordpress.org/plugins/contact-form-7-mailchimp-extension/
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Pages 5

Plugins ‹ Test site — WordPress

Page screenshot: 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-mailchimp-extension%2Fcf7-mch-ext.php&plugin_status=all&paged=1&s&_wpnonce=81f6fd364f
Aspect after-activation
HTTP status 200
Load time 1.565 s
Memory usage 5.38 MiB
JS errors None
Resource errors None

Contact

Page screenshot: Contact
URL /wp-admin/admin.php?page=wpcf7
Aspect menu-item
HTTP status 200
Load time 0.274 s
Memory usage 4.31 MiB
JS errors None
Resource errors None

Contact → Add New

Page screenshot: Contact → Add New
URL /wp-admin/admin.php?page=wpcf7-new
Aspect menu-item
HTTP status 200
Load time 1.878 s
Memory usage 4.43 MiB
JS errors None
Resource errors None

Contact → Integration

Page screenshot: Contact → Integration
URL /wp-admin/admin.php?page=wpcf7-integration
Aspect menu-item
HTTP status 200
Load time 0.234 s
Memory usage 4.21 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.292 s
Memory usage 3.96 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.519 s0.430 s-0.089 s3.96 MiB4.36 MiB+ 408.64 KiB
/wp-admin/edit.php0.253 s0.265 s+0.012 s3.99 MiB4.39 MiB+ 408.94 KiB
/wp-admin/post-new.php1.645 s1.928 s+0.283 s5.81 MiB6.26 MiB+ 451.98 KiB
/wp-admin/upload.php0.639 s0.457 s-0.182 s3.83 MiB4.22 MiB+ 401.23 KiB
/wp-admin/options-writing.php0.196 s0.184 s-0.012 s3.9 MiB4.21 MiB+ 308.89 KiB
/wp-admin/media-new.php0.224 s0.194 s-0.030 s3.8 MiB4.2 MiB+ 402.49 KiB
/wp-admin/edit-tags.php?taxonomy=category0.210 s0.221 s+0.011 s3.91 MiB4.24 MiB+ 339.46 KiB
/wp-admin/post-new.php?post_type=page1.400 s1.568 s+0.168 s5.8 MiB6.23 MiB+ 441.18 KiB
/wp-admin/options-discussion.php0.359 s0.325 s-0.034 s3.81 MiB4.2 MiB+ 402.82 KiB
/wp-admin/edit-comments.php0.393 s0.266 s-0.127 s3.91 MiB4.31 MiB+ 402.35 KiB
/0.851 s0.220 s-0.631 s3.7 MiB3.96 MiB+ 271.59 KiB
Average 0.608 s0.551 s-0.057 s4.22 MiB4.6 MiB+ 385.42 KiB

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 9

Custom Post Types 1

ID Name
wpcf7_contact_formContact Forms

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide Contact Form 7 Extension For Mailchimp Admin Menus