Constant Contact Forms 2.16.2

Does "Constant Contact Forms for WordPress" work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
5PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 489.82 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 version6.9.4
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 20,000+
WordPress.org page https://wordpress.org/plugins/constant-contact-forms/
Badges

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Pages 14

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=constant-contact-forms%2Fconstant-contact-forms.php&plugin_status=all&paged=1&s&_wpnonce=9791f1934c
Aspect after-activation
HTTP status 200
Load time 0.507 s
Memory usage 4.31 MiB
JS errors None
Resource errors None

Contact form

Page screenshot: Contact form
URL /wp-admin/edit.php?post_type=ctct_forms
Aspect menu-item
HTTP status 200
Load time 0.451 s
Memory usage 4.27 MiB
JS errors None
Resource errors None

Contact form → Add new form

Page screenshot: Contact form → Add new form
URL /wp-admin/post-new.php?post_type=ctct_forms
Aspect menu-item
HTTP status 200
Load time 0.724 s
Memory usage 4.91 MiB
JS errors None
Resource errors None

Contact form → Lists

Page screenshot: Contact form → Lists
URL /wp-admin/edit.php?post_type=ctct_lists
Aspect menu-item
HTTP status 200
Load time 0.393 s
Memory usage 4.27 MiB
JS errors None
Resource errors None

Contact form → Connect Now

Page screenshot: Contact form → Connect Now
URL /wp-admin/edit.php?post_type=ctct_forms&page=ctct_options_connect
Aspect menu-item
HTTP status 200
Load time 0.461 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Contact form → Settings

Page screenshot: Contact form → Settings
URL /wp-admin/edit.php?post_type=ctct_forms&page=ctct_options_settings_general
Aspect menu-item
HTTP status 200
Load time 0.443 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Contact form → Settings → Styles

Page screenshot: Contact form → Settings → Styles
URL /wp-admin/edit.php?post_type=ctct_forms&page=ctct_options_settings_styles
Aspect menu-item-tab
HTTP status 200
Load time 0.420 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Contact form → Settings → Opt-in

Page screenshot: Contact form → Settings → Opt-in
URL /wp-admin/edit.php?post_type=ctct_forms&page=ctct_options_settings_optin
Aspect menu-item-tab
HTTP status 200
Load time 0.367 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Contact form → Settings → Spam control

Page screenshot: Contact form → Settings → Spam control
URL /wp-admin/edit.php?post_type=ctct_forms&page=ctct_options_settings_spam
Aspect menu-item-tab
HTTP status 200
Load time 0.387 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Contact form → Settings → Support

Page screenshot: Contact form → Settings → Support
URL /wp-admin/edit.php?post_type=ctct_forms&page=ctct_options_settings_support
Aspect menu-item-tab
HTTP status 200
Load time 0.381 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Contact form → Settings → Account

Page screenshot: Contact form → Settings → Account
URL /wp-admin/edit.php?post_type=ctct_forms&page=ctct_options_settings_auth
Aspect menu-item-tab
HTTP status 200
Load time 0.357 s
Memory usage 4.19 MiB
JS errors None
Resource errors None

Contact form → About

Page screenshot: Contact form → About
URL /wp-admin/edit.php?post_type=ctct_forms&page=ctct_options_about
Aspect menu-item
HTTP status 200
Load time 1.294 s
Memory usage 4.19 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 0.478 s
Memory usage 4.32 MiB
JS errors None
Resource errors None

Widgets ‹ Test site — WordPress

Page screenshot: Widgets ‹ Test site — WordPress
URL /wp-admin/widgets.php
Aspect new-sidebar-widgets
HTTP status 200
Load time 1.148 s
Memory usage 6.55 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.460 s0.506 s+0.046 s3.78 MiB4.25 MiB+ 487.36 KiB
/wp-admin/edit.php0.393 s0.332 s-0.061 s3.78 MiB4.27 MiB+ 500.97 KiB
/wp-admin/post-new.php0.820 s1.006 s+0.186 s6.31 MiB7.05 MiB+ 761.73 KiB
/wp-admin/upload.php0.488 s0.454 s-0.034 s3.74 MiB4.17 MiB+ 438.98 KiB
/wp-admin/options-writing.php0.377 s0.521 s+0.144 s3.71 MiB4.14 MiB+ 443.28 KiB
/wp-admin/media-new.php0.554 s0.330 s-0.224 s3.7 MiB4.14 MiB+ 451.48 KiB
/wp-admin/edit-tags.php?taxonomy=category0.360 s0.347 s-0.013 s3.72 MiB4.16 MiB+ 456.34 KiB
/wp-admin/post-new.php?post_type=page0.777 s0.714 s-0.063 s6.3 MiB7.03 MiB+ 755.21 KiB
/wp-admin/options-discussion.php0.373 s0.448 s+0.075 s3.71 MiB4.14 MiB+ 439.47 KiB
/wp-admin/edit-comments.php0.344 s0.391 s+0.047 s3.73 MiB4.16 MiB+ 439.28 KiB
/0.289 s0.207 s-0.082 s4.11 MiB4.32 MiB+ 213.96 KiB
Average 0.476 s0.478 s+0.002 s4.24 MiB4.71 MiB+ 489.82 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
PHP72.7%21,16114,128212
Markdown7.9%2,298017
Sass6.2%1,7938319
JavaScript5.6%1,63572627
CSS5.4%1,568155
JSON2.0%58507
SVG0.1%3426
XML0.1%1901
YAML0.0%601
Bourne Shell0.0%301
Total 29,102 14,954 296

PHP Code Analysis | More results »

Lines of code 10,275
Total complexity 2,028
Median class complexity 19.5
Median method complexity 2.0
Most complex class ConstantContact_Display
Most complex function ConstantContact_Process_Form::process_form()
Classes 40
Methods 528
Functions 74

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 7

Custom Post Types 2

ID Name
ctct_formsForms
ctct_listsLists

Sidebar Widgets 1

ID Name
ctct_formConstant Contact Form

Meta Boxes

{
    "ctct_lists": {
        "ctct_list_metabox": {
            "title": "List Information",
            "context": "normal"
        }
    },
    "ctct_forms": {
        "ctct_0_description_metabox": {
            "title": "Form description",
            "context": "normal"
        },
        "ctct_0_list_metabox": {
            "title": "Constant Contact lists",
            "context": "normal"
        },
        "ctct_1_optin_metabox": {
            "title": "Form options",
            "context": "normal"
        },
        "ctct_2_fields_metabox": {
            "title": "Form fields",
            "context": "normal"
        },
        "ctct_2_generated_metabox": {
            "title": "Embed shortcode",
            "context": "side"
        },
        "email_settings": {
            "title": "Email settings",
            "context": "side"
        },
        "ctct_1_custom_form_css_metabox": {
            "title": "Form design",
            "context": "side"
        },
        "ctct_1_custom_input_css_metabox": {
            "title": "Input design",
            "context": "side"
        },
        "ctct_3_reset_css_metabox": {
            "title": "Reset styles",
            "context": "side"
        }
    }
}

PHP Error Log 5 lines

[12-Mar-2026 06:17:01 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
[12-Mar-2026 06:17:02 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
[12-Mar-2026 06:17:03 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
[12-Mar-2026 06:17:04 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
[12-Mar-2026 06:17:05 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
See also: All tests for this plugin, How to Hide Constant Contact Forms for WordPress Admin Menus and Meta Boxes