Constant Contact Forms 2.13.0

Does "Constant Contact Forms for WordPress" work with WordPress 6.8.3 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: 460.88 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 version6.8.3
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/
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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=b4f0cddd2f
Aspect after-activation
HTTP status 200
Load time 0.460 s
Memory usage 4.16 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 0.385 s
Memory usage 4.07 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 0.803 s
Memory usage 4.61 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 0.360 s
Memory usage 4.07 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 0.315 s
Memory usage 3.99 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 0.305 s
Memory usage 3.99 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 0.307 s
Memory usage 3.99 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 0.381 s
Memory usage 3.99 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 0.331 s
Memory usage 3.99 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 0.288 s
Memory usage 3.99 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 0.275 s
Memory usage 3.99 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 1.510 s
Memory usage 3.99 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 0.544 s
Memory usage 3.64 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 1.575 s
Memory usage 6.22 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.405 s0.483 s+0.078 s3.51 MiB3.99 MiB+ 491.68 KiB
/wp-admin/edit.php0.250 s0.282 s+0.032 s3.57 MiB4.02 MiB+ 454.8 KiB
/wp-admin/post-new.php0.942 s1.273 s+0.331 s6.06 MiB6.76 MiB+ 720.93 KiB
/wp-admin/upload.php0.665 s0.802 s+0.137 s3.52 MiB3.93 MiB+ 417.38 KiB
/wp-admin/options-writing.php0.259 s0.253 s-0.006 s3.5 MiB3.91 MiB+ 421.37 KiB
/wp-admin/media-new.php0.363 s0.248 s-0.115 s3.49 MiB3.91 MiB+ 429.56 KiB
/wp-admin/edit-tags.php?taxonomy=category0.218 s0.240 s+0.022 s3.5 MiB3.93 MiB+ 434.73 KiB
/wp-admin/post-new.php?post_type=page0.680 s0.734 s+0.054 s6.05 MiB6.75 MiB+ 716.46 KiB
/wp-admin/options-discussion.php0.544 s0.322 s-0.222 s3.5 MiB3.91 MiB+ 417.87 KiB
/wp-admin/edit-comments.php0.298 s0.273 s-0.025 s3.52 MiB3.93 MiB+ 417.37 KiB
/0.370 s0.239 s-0.131 s3.5 MiB3.64 MiB+ 147.48 KiB
Average 0.454 s0.468 s+0.014 s3.98 MiB4.43 MiB+ 460.88 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
Sass
CSS
JavaScript
Language % Lines of code Comment lines Files
PHP66.8%9,7906,59544
Sass12.0%1,7537719
CSS10.5%1,545155
JavaScript10.3%1,50865424
SVG0.2%3426
JSON0.2%2601
Markdown0.1%802
Total 14,664 7,343 101

PHP Code Analysis | More results »

Lines of code 9,813
Total complexity 1,935
Median class complexity 19.0
Median method complexity 2.0
Most complex class ConstantContact_Display
Most complex function ConstantContact_Process_Form::process_form()
Classes 39
Methods 515
Functions 71

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 8

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

[01-Oct-2025 07:24:20 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
[01-Oct-2025 07:24:21 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
[01-Oct-2025 07:24:22 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
[01-Oct-2025 07:24:23 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41
[01-Oct-2025 07:24:24 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