Contact Form Submissions 1.6.4

Does Contact Form Submissions work with WordPress 5.7 and PHP 7.4.8? A smoke test was performed on .


No PHP errors, warnings or notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Looks good! No problems were detected.

Memory usage: 27.72 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.

WordPress version5.7
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 50,000+ page

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Pages 2

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-submissions%2Fcontact-form-submissions.php&plugin_status=all&paged=1&s&_wpnonce=ae2fff8307
Aspect after-activation
HTTP status 200
Load time 0.340 s
Memory usage 2.75 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
Aspect front-page
HTTP status 200
Load time 0.305 s
Memory usage 2.66 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.275 s0.282 s+0.007 s2.82 MiB2.86 MiB+ 38.27 KiB
/wp-admin/edit.php0.188 s0.199 s+0.011 s2.86 MiB2.9 MiB+ 40.45 KiB
/wp-admin/post-new.php0.942 s1.020 s+0.078 s5.02 MiB5.08 MiB+ 56.85 KiB
/wp-admin/upload.php0.510 s0.284 s-0.226 s2.7 MiB2.73 MiB+ 32.41 KiB
/wp-admin/options-writing.php0.260 s0.140 s-0.120 s2.71 MiB2.71 MiB+ 392 bytes
/wp-admin/media-new.php0.227 s0.159 s-0.068 s2.67 MiB2.7 MiB+ 32.58 KiB
/wp-admin/edit-tags.php?taxonomy=category0.189 s0.276 s+0.087 s2.77 MiB2.8 MiB+ 33.45 KiB
/wp-admin/post-new.php?post_type=page1.181 s0.755 s-0.426 s5.01 MiB5.06 MiB+ 48.44 KiB
/wp-admin/options-discussion.php0.316 s0.268 s-0.048 s2.67 MiB2.71 MiB+ 32.89 KiB
/wp-admin/edit-comments.php0.237 s0.230 s-0.007 s2.78 MiB2.81 MiB+ 32.39 KiB
/0.266 s0.223 s-0.043 s2.71 MiB2.66 MiB- 43.24 KiB
Average 0.417 s0.349 s-0.069 s3.16 MiB3.18 MiB+ 27.72 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.

Language % Lines of code Comment lines Files
Total 575 140 4

PHP Code Analysis | More results »

Lines of code 564
Total complexity 110
Median class complexity 53.5
Median method complexity 3.0
Most complex class WPCF7SAdmin
Most complex function WPCF7SAdmin::export_request()
Classes 2
Methods 27
Functions 3


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.

Custom Post Types 1

ID Name
wpcf7sContact Form Submissions

Meta Boxes

    "wpcf7s": {
        "wpcf7s_mail": {
            "title": "Mail",
            "context": "normal"
        "wpcf7s_posted": {
            "title": "Posted",
            "context": "normal"
        "wpcf7s_actions": {
            "title": "Overview",
            "context": "side"

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide Contact Form Submissions Meta Boxes