72% captainform

Code Review | Forms by CaptainForm - Form Builder for WordPress

WordPress plugin Forms by CaptainForm - Form Builder for WordPress scored 72% from 54 tests.

About plugin

  • Plugin page: captainform
  • Plugin version: 2.5.3
  • PHP compatiblity: 5.3+
  • PHP version: 7.4.16
  • WordPress compatibility: 3.9-5.2
  • WordPress version: 5.9.2
  • First release: Nov 2, 2015
  • Latest release: May 14, 2019
  • Number of updates: 134
  • Update frequency: every 9.6 days
  • Top authors: 123contactform (100%)

Code review

54 tests

User reviews

193 reviews

Install metrics

10,000+ active / 265,793 total downloads

Benchmarks

Plugin footprint 82% from 16 tests

Installer Passed 1 test

🔺 Critical test (weight: 50) | Verifying that this plugin installs correctly without errors
Installer ran successfully

Server metrics [RAM: ▲0.34MB] [CPU: ▼311.61ms] 75% from 4 tests

Server-side resources used by Forms by CaptainForm - Form Builder for WordPress
The following require your attention
  • CPU: You should keep total CPU usage under 500.00ms (currently 600.25ms on /wp-admin/admin.php?page=CaptainForm-Support)
PageMemory (MB)CPU Time (ms)
Home /3.78 ▲0.2664.39 ▲14.09
Dashboard /wp-admin3.75 ▲0.3434.37 ▼1.91
Posts /wp-admin/edit.php3.96 ▲0.3246.27 ▼69.80
Add New Post /wp-admin/post-new.php7.61 ▲0.6488.22 ▼1,172.55
Media Library /wp-admin/upload.php3.73 ▲0.4327.63 ▼2.18
CaptainForm /wp-admin/options-general.php?page=CaptainFormOptions3.5826.28
My Account /wp-admin/admin.php?page=CaptainForm-MyAccount3.58982.82
New Form /wp-admin/admin.php?page=CaptainForm-NewForm3.59566.12
My Forms /wp-admin/admin.php?page=CaptainForm3.59516.41
Change Plan /wp-admin/admin.php?page=CaptainForm-ChangePlan3.59496.53
Support /wp-admin/admin.php?page=CaptainForm-Support3.59600.25

Server storage [IO: ▲0.91MB] [DB: ▲0.00MB] Passed 3 tests

How much does this plugin use your filesystem and database?
No storage issues were detected
Filesystem: 100 new files
Database: no new tables, 1 new option
New WordPress options
widget_captainform_widget

Browser metrics Passed 4 tests

This is an overview of browser requirements for Forms by CaptainForm - Form Builder for WordPress
This plugin renders optimally with no browser resource issues detected
PageNodesMemory (MB)Script (ms)Layout (ms)
Home /3,932 ▲17816.10 ▲0.438.74 ▲2.282.24 ▼0.38
Dashboard /wp-admin2,939 ▲796.22 ▲0.09124.32 ▼0.56257.73 ▲87.55
Posts /wp-admin/edit.php2,739 ▲543.24 ▲0.0166.32 ▼0.37303.62 ▲158.19
Add New Post /wp-admin/post-new.php1,720 ▲3016.78 ▼3.82427.99 ▼24.76166.12 ▲10.44
Media Library /wp-admin/upload.php1,772 ▲745.81 ▲0.30132.71 ▼7.43211.20 ▲26.22
CaptainForm /wp-admin/options-general.php?page=CaptainFormOptions1,1172.6054.99125.31
My Account /wp-admin/admin.php?page=CaptainForm-MyAccount1,7517.02337.71120.22
New Form /wp-admin/admin.php?page=CaptainForm-NewForm1,6616.96240.05119.67
My Forms /wp-admin/admin.php?page=CaptainForm1,6896.84166.75165.26
Change Plan /wp-admin/admin.php?page=CaptainForm-ChangePlan1,7586.91220.62122.44
Support /wp-admin/admin.php?page=CaptainForm-Support1,7486.83174.20106.19

Uninstaller [IO: ▲0.00MB] [DB: ▲0.00MB] 75% from 4 tests

🔸 Tests weight: 35 | It is important to correctly uninstall your plugin, without leaving any traces
The following items require your attention
  • Zombie WordPress options detected upon uninstall: 1 option
    • widget_captainform_widget

Smoke tests 25% from 4 tests

Server-side errors Passed 1 test

🔹 Test weight: 20 | A smoke test targeting server-side errors
The smoke test was a success, however most plugin functionality was not tested

SRP 0% from 2 tests

🔹 Tests weight: 20 | It is important to ensure that your PHP files perform no action when accessed directly, respecting the single-responsibility principle
Please fix the following
  • 12× PHP files perform the action of outputting non-empty strings when accessed directly (only 10 are shown):
    • > /wp-content/plugins/captainform/includes/integrations/class-captainform-integration-handler.php
    • > /wp-content/plugins/captainform/public/partials/form-resources/captainform-lightbox-embedding.php
    • > /wp-content/plugins/captainform/includes/integrations/class-captainform-integration-posts.php
    • > /wp-content/plugins/captainform/public/partials/captainform-public-display.php
    • > /wp-content/plugins/captainform/admin/partials/captainform-admin-plugin-credentials-error.php
    • > /wp-content/plugins/captainform/admin/partials/captainform-admin-plugin-options.php
    • > /wp-content/plugins/captainform/public/partials/form-resources/captainform-normal-embedding.php
    • > /wp-content/plugins/captainform/includes/integrations/class-captainform-integration-users.php
    • > /wp-content/plugins/captainform/public/partials/form-resources/captainform-global-vars.php
    • > /wp-content/plugins/captainform/public/partials/form-resources/captainform-lightbox-window-leave-embedding.php
  • 7× GET requests to PHP files trigger server-side errors or Error 500 responses:
    • > PHP Notice
      Undefined variable: captainform_display_as_lightbox_name in wp-content/plugins/captainform/admin/partials/captainform-admin-publish-options.php on line 3
    • > PHP Fatal error
      Uncaught Error: Class 'WP_Widget' not found in wp-content/plugins/captainform/includes/class-captainform-widget.php:19
    • > PHP Fatal error
      Uncaught Error: Call to undefined function __() in wp-content/plugins/captainform/admin/partials/captainform-admin-publish-options.php:7
    • > PHP Notice
      Undefined variable: iframe_url in wp-content/plugins/captainform/admin/partials/captainform-support-chat.php on line 3
    • > PHP Notice
      Undefined variable: captainform_servicedomain in wp-content/plugins/captainform/public/partials/form-resources/captainform-global-vars.php on line 13
    • > PHP Fatal error
      Uncaught Error: Using $this when not in object context in wp-content/plugins/captainform/admin/partials/captainform-admin-display.php:16
    • > PHP Notice
      Undefined variable: embedding_type in wp-content/plugins/captainform/public/partials/form-resources/captainform-global-vars.php on line 16

User-side errors 0% from 1 test

🔹 Test weight: 20 | This is a smoke test targeting browser errors/issues
There are user-side issues you should fix
  • 5 occurences, only the last one shown
    • > GET request to /wp-admin/admin.php?page=CaptainForm-Support
    • > Other (warning) in unknown
    http://www.googleadservices.com/pagead/conversion.js 80 Unrecognized feature: 'attribution-reporting'.
    • > GET request to /wp-admin/admin.php?page=CaptainForm-MyAccount
    • > Javascript (severe) in unknown
    /wp-admin/admin.php?page=CaptainForm-MyAccount 340:38 Uncaught ReferenceError: CFTracker is not defined
    • > GET request to /wp-admin/admin.php?page=CaptainForm-NewForm
    • > Javascript (severe) in unknown
    /wp-admin/admin.php?page=CaptainForm-NewForm 340:38 Uncaught ReferenceError: CFTracker is not defined
    • > GET request to /wp-admin/admin.php?page=CaptainForm
    • > Javascript (severe) in unknown
    /wp-admin/admin.php?page=CaptainForm 340:38 Uncaught ReferenceError: CFTracker is not defined
    • > GET request to /wp-admin/admin.php?page=CaptainForm-ChangePlan
    • > Javascript (severe) in unknown
    /wp-admin/admin.php?page=CaptainForm-ChangePlan 340:38 Uncaught ReferenceError: CFTracker is not defined
    • > GET request to /wp-admin/admin.php?page=CaptainForm-Support
    • > Javascript (severe) in unknown
    /wp-admin/admin.php?page=CaptainForm-Support 340:38 Uncaught ReferenceError: CFTracker is not defined

Optimizations

Plugin configuration 97% from 29 tests

readme.txt 94% from 16 tests

The readme.txt file is an important file in your plugin as it is parsed by WordPress.org to prepare the public listing of your plugin
Please fix the following attributes:
  • Tags: Please reduce the number of tags, currently 47 tag instead of maximum 10
The official readme.txt is a good inspiration

captainform/captainform.php Passed 13 tests

The main PHP file in "Forms by CaptainForm - Form Builder for WordPress" ver. 2.5.3 adds more information about the plugin and also serves as the entry point for this plugin
127 characters long description:
CaptainForm is a fully-featured WordPress form plugin created for web designers, developers, and also for non-tech savvy users.

Code Analysis Passed 3 tests

File types Passed 1 test

🔸 Test weight: 35 | This is a short overview of programming languages used in this plugin, detecting executable files
There were no executable files found in this plugin7,378 lines of code in 70 files:
LanguageFilesBlank linesComment linesLines of code
JavaScript164632043,771
PHP375111,3962,172
CSS14204561,432
SVG3003

PHP code Passed 2 tests

An overview of cyclomatic complexity and code structure
There are no cyclomatic complexity problems detected for this plugin
Cyclomatic complexity
Average complexity per logical line of code0.37
Average class complexity15.00
▷ Minimum class complexity1.00
▷ Maximum class complexity51.00
Average method complexity3.06
▷ Minimum method complexity1.00
▷ Maximum method complexity41.00
Code structure
Namespaces0
Interfaces0
Traits0
Classes21
▷ Abstract classes00.00%
▷ Concrete classes21100.00%
▷ Final classes00.00%
Methods143
▷ Static methods5236.36%
▷ Public methods9465.73%
▷ Protected methods21.40%
▷ Private methods4732.87%
Functions10
▷ Named functions10100.00%
▷ Anonymous functions00.00%
Constants3
▷ Global constants00.00%
▷ Class constants3100.00%
▷ Public constants3100.00%

Plugin size Passed 2 tests

Image compression Passed 2 tests

All PNG images should be compressed to minimize bandwidth usage for end users
15 PNG files occupy 0.40MB with 0.16MB in potential savings
Potential savings
Compression of 5 random PNG files using pngquant
FileSize - originalSize - compressedSavings
admin/css/chosen/chosen-sprite@2x.png0.85KB0.83KB▼ 3.10%
public/images/publish_lighbox_default_image_v2.png18.56KB1.02KB▼ 94.50%
admin/css/chosen/chosen-sprite.png0.63KB0.88KB0.00%
admin/js/jscolor/hs.png2.62KB7.54KB0.00%
admin/images/icon-alert-close.png355.55KB0.28KB▼ 99.92%