Ninja Forms 3.13.2

Does Ninja Forms work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
4PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 1.43 MiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.060 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version6.9
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 600,000+
WordPress.org page https://wordpress.org/plugins/ninja-forms/
Badges

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Pages 11

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=ninja-forms%2Fninja-forms.php&plugin_status=all&paged=1&s&_wpnonce=caee20d329
Aspect after-activation
HTTP status 200
Load time 1.697 s
Memory usage 5.53 MiB
JS errors None
Resource errors None

Ninja Forms

Page screenshot: Ninja Forms
URL /wp-admin/admin.php?page=nf-welcome
Aspect menu-item
HTTP status 200
Load time 0.457 s
Memory usage 5.1 MiB
JS errors None
Resource errors None

Ninja Forms → Dashboard

Page screenshot: Ninja Forms → Dashboard
URL /wp-admin/admin.php?page=ninja-forms
Aspect menu-item
HTTP status 200
Load time 0.503 s
Memory usage 5.72 MiB
JS errors None
Resource errors None

Ninja Forms → Submissions

Page screenshot: Ninja Forms → Submissions
URL /wp-admin/admin.php?page=nf-submissions
Aspect menu-item
HTTP status 200
Load time 0.820 s
Memory usage 5.21 MiB
JS errors None
Resource errors None

Ninja Forms → Import / Export

Page screenshot: Ninja Forms → Import / Export
URL /wp-admin/admin.php?page=nf-import-export
Aspect menu-item
HTTP status 200
Load time 0.543 s
Memory usage 5.14 MiB
JS errors None
Resource errors None

Ninja Forms → Import / Export → Favorite Fields

Page screenshot: Ninja Forms → Import / Export → Favorite Fields
URL /wp-admin/admin.php?page=nf-import-export&tab=favorite_fields
Aspect menu-item-tab
HTTP status 200
Load time 0.326 s
Memory usage 5.09 MiB
JS errors None
Resource errors None

Ninja Forms → Settings

Page screenshot: Ninja Forms → Settings
URL /wp-admin/admin.php?page=nf-settings
Aspect menu-item
HTTP status 200
Load time 0.395 s
Memory usage 5.21 MiB
JS errors None
Resource errors None

Ninja Forms → Settings → Licenses

Page screenshot: Ninja Forms → Settings → Licenses
URL /wp-admin/admin.php?page=nf-settings&tab=licenses
Aspect menu-item-tab
HTTP status 200
Load time 0.340 s
Memory usage 5.18 MiB
JS errors None
Resource errors None

Ninja Forms → Get Help

Page screenshot: Ninja Forms → Get Help
URL /wp-admin/admin.php?page=nf-system-status
Aspect menu-item
HTTP status 200
Load time 0.374 s
Memory usage 5.12 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 0.264 s
Memory usage 5.46 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 1.142 s
Memory usage 7.54 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.440 s0.502 s+0.062 s3.78 MiB5.23 MiB+ 1.45 MiB
/wp-admin/edit.php0.373 s0.354 s-0.019 s3.78 MiB5.22 MiB+ 1.43 MiB
/wp-admin/post-new.php0.795 s1.133 s+0.338 s6.31 MiB7.9 MiB+ 1.59 MiB
/wp-admin/upload.php0.456 s0.575 s+0.119 s3.74 MiB5.13 MiB+ 1.4 MiB
/wp-admin/options-writing.php0.354 s0.414 s+0.060 s3.71 MiB5.09 MiB+ 1.38 MiB
/wp-admin/media-new.php0.559 s0.331 s-0.228 s3.7 MiB5.09 MiB+ 1.39 MiB
/wp-admin/edit-tags.php?taxonomy=category0.339 s0.330 s-0.009 s3.72 MiB5.13 MiB+ 1.41 MiB
/wp-admin/post-new.php?post_type=page0.713 s0.894 s+0.181 s6.3 MiB7.89 MiB+ 1.59 MiB
/wp-admin/options-discussion.php0.346 s0.523 s+0.177 s3.71 MiB5.09 MiB+ 1.38 MiB
/wp-admin/edit-comments.php0.338 s0.387 s+0.049 s3.73 MiB5.13 MiB+ 1.4 MiB
/0.299 s0.225 s-0.074 s4.12 MiB5.46 MiB+ 1.34 MiB
Average 0.456 s0.515 s+0.060 s4.24 MiB5.67 MiB+ 1.43 MiB

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.

PO File
PHP
Language % Lines of code Comment lines Files
PO File68.0%84,71862,90128
PHP27.9%34,77515,010373
CSS1.5%1,87216228
JavaScript1.5%1,85356229
HTML0.5%665159
SVG0.5%65501
Markdown0.1%8302
JSON0.0%1302
Total 124,634 78,636 522

PHP Code Analysis | More results »

Lines of code 27,729
Total complexity 5,918
Median class complexity 12.0
Median method complexity 2.0
Most complex class NF_Display_Render
Most complex function NF_Admin_Processes_ImportForm::import_field_backwards_compatibility()
Classes 254
Methods 1,834
Functions 28

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.

Database Tables 11

Options wp_options 13

Custom Post Types 1

ID Name
nf_subSubmissions

Sidebar Widgets 1

ID Name
ninja_forms_widgetNinja Forms Widget

Meta Boxes

{
    "nf_settings_licenses": {
        "nf_settings_licenses": {
            "title": "Add-On Licenses",
            "context": "advanced"
        }
    },
    "post": {
        "nf_admin_metaboxes_appendaform": {
            "title": "Append a Ninja Form",
            "context": "side"
        }
    },
    "nf_sub": {
        "nf_sub_fields": {
            "title": "User Submitted Values",
            "context": "normal"
        },
        "nf_sub_info": {
            "title": "Submission Info",
            "context": "side"
        }
    },
    "page": {
        "nf_admin_metaboxes_appendaform": {
            "title": "Append a Ninja Form",
            "context": "side"
        }
    }
}

PHP Error Log 4 lines

[02-Dec-2025 21:30:49 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 21:30:49 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 21:30:59 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 21:30:59 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide Ninja Forms Admin Menus and Meta Boxes