56% wpforms-lite

Code Review | Contact Form by WPForms - Drag & Drop Form Builder for WordPress

WordPress plugin Contact Form by WPForms - Drag & Drop Form Builder for WordPress scored56%from 54 tests.

About plugin

  • Plugin page: wpforms-lite
  • Plugin version: 1.8.5.2
  • PHP compatiblity: 7.0+
  • PHP version: 7.4.16
  • WordPress compatibility: 5.5-6.4
  • WordPress version: 6.3.1
  • First release: Mar 14, 2016
  • Latest release: Nov 28, 2023
  • Number of updates: 298
  • Update frequency: every 9.5 days
  • Top authors: jaredatch (75.84%)slaFFik (21.81%)smub (2.68%)

Code review

54 tests

User reviews

13515 reviews

Install metrics

5,000,000+ active /176,157,669 total downloads
Download (8.27 MB)

Benchmarks

Plugin footprint 63% from 16 tests

Installer Passed 1 test

🔺 Critical test (weight: 50) | All plugins must install correctly, without throwing any errors, warnings, or notices
This plugin's installer ran successfully

Server metrics [RAM: ▲10.16MB] [CPU: ▲78.23ms] 25% from 4 tests

This is a short check of server-side resources used by Contact Form by WPForms - Drag & Drop Form Builder for WordPress
Please have a look at the following items
  • RAM: Try to keep total memory usage under 10MB (currently 14.19MB on /wp-admin/admin.php?page=wpforms-smtp)
  • CPU: Total CPU usage should be kept under 500.00ms (currently 577.83ms on /wp-admin/admin.php?page=wpforms-templates)
  • Extra RAM: The extra memory usage should kept under 5MB (currently 10.16MB on /wp-admin/admin.php?page=wpforms-smtp)
Page Memory (MB) CPU Time (ms)
Home / 12.59 ▲9.12 96.45 ▲52.37
Dashboard /wp-admin 13.88 ▲10.53 134.34 ▲75.75
Posts /wp-admin/edit.php 13.90 ▲10.54 143.23 ▲94.30
Add New Post /wp-admin/post-new.php 16.43 ▲10.54 190.24 ▲90.48
Media Library /wp-admin/upload.php 13.69 ▲10.46 148.04 ▲114.64
All Forms /wp-admin/admin.php?page=wpforms-overview 14.63 388.13
Community /wp-admin/admin.php?page=wpforms-community 14.26 205.91
Settings /wp-admin/admin.php?page=wpforms-settings 14.61 116.60
Addons /wp-admin/admin.php?page=wpforms-addons 14.22 129.31
Payments NEW! /wp-admin/admin.php?page=wpforms-payments 14.61 141.14
Entries /wp-admin/admin.php?page=wpforms-entries 14.20 117.84
About Us /wp-admin/admin.php?page=wpforms-about 14.18 113.68
Form Templates /wp-admin/admin.php?page=wpforms-templates 21.74 577.83
Tools /wp-admin/admin.php?page=wpforms-tools 14.75 124.90
SMTP /wp-admin/admin.php?page=wpforms-smtp 14.19 113.50

Server storage [IO: ▲22.19MB] [DB: ▲0.01MB] Passed 3 tests

How much does this plugin use your filesystem and database?
There were no storage issued detected upon installing this plugin
Filesystem: 1,501 new files
Database: 7 new tables, 18 new options
New tables
wp_wpforms_payment_meta
wp_wpforms_payments
wp_actionscheduler_actions
wp_wpforms_tasks_meta
wp_actionscheduler_groups
wp_actionscheduler_logs
wp_actionscheduler_claims
New WordPress options
wpforms_version_lite
widget_recent-posts
wpforms_activated
widget_wpforms-widget
action_scheduler_lock_async-request-runner
schema-ActionScheduler_LoggerSchema
widget_recent-comments
wpforms_versions_lite
action_scheduler_hybrid_store_demarkation
wpforms_admin_notices
...

Browser metrics 75% from 4 tests

An overview of browser requirements for Contact Form by WPForms - Drag & Drop Form Builder for WordPress
Please improve the following
  • Nodes: For the best user experience, please reduce the number of DOM nodes under 25,000 (currently 51,777 on /wp-admin/admin.php?page=wpforms-templates)
Page Nodes Memory (MB) Script (ms) Layout (ms)
Home / 3,028 ▲281 13.96 ▼0.38 1.66 ▼0.04 40.24 ▼3.36
Dashboard /wp-admin 2,385 ▲208 5.30 ▼0.23 107.70 ▲21.45 79.65 ▲43.22
Posts /wp-admin/edit.php 2,234 ▲137 2.05 ▲0.02 41.10 ▲0.47 35.64 ▼1.42
Add New Post /wp-admin/post-new.php 1,770 ▲244 22.27 ▼1.26 551.86 ▼93.22 37.77 ▼12.35
Media Library /wp-admin/upload.php 1,519 ▲119 4.20 ▼0.09 99.81 ▲3.74 46.84 ▲6.63
All Forms /wp-admin/admin.php?page=wpforms-overview 1,573 3.64 53.85 82.55
Community /wp-admin/admin.php?page=wpforms-community 1,421 3.42 50.52 68.74
Settings /wp-admin/admin.php?page=wpforms-settings 1,721 3.73 56.42 103.73
Addons /wp-admin/admin.php?page=wpforms-addons 2,747 3.75 52.93 129.83
Payments NEW! /wp-admin/admin.php?page=wpforms-payments 1,504 3.50 52.11 75.01
Entries /wp-admin/admin.php?page=wpforms-entries 2,097 3.54 53.44 81.50
About Us /wp-admin/admin.php?page=wpforms-about 2,175 3.37 49.16 94.71
Form Templates /wp-admin/admin.php?page=wpforms-templates 51,777 3.06 174.15 708.40
Tools /wp-admin/admin.php?page=wpforms-tools 1,498 3.64 62.54 76.39
SMTP /wp-admin/admin.php?page=wpforms-smtp 1,438 3.64 49.47 89.54

Uninstaller [IO: ▲1.11MB] [DB: ▲0.01MB] 50% from 4 tests

🔸 Tests weight: 35 | Checking the uninstaller removed all traces of the plugin
The following items require your attention
  • The plugin did not uninstall successfully, leaving 7 tables in the database
    • wp_actionscheduler_logs
    • wp_actionscheduler_groups
    • wp_wpforms_payment_meta
    • wp_actionscheduler_actions
    • wp_wpforms_tasks_meta
    • wp_wpforms_payments
    • wp_actionscheduler_claims
  • This plugin did not uninstall successfully, leaving 19 options in the database
    • schema-ActionScheduler_StoreSchema
    • wpforms_challenge
    • schema-ActionScheduler_LoggerSchema
    • widget_theysaidso_widget
    • wpforms_versions_lite
    • db_upgraded
    • wpforms_version
    • theysaidso_admin_options
    • wpforms_activated
    • wpforms_version_lite
    • ...

Smoke tests 50% from 4 tests

Server-side errors Passed 1 test

🔹 Test weight: 20 | A smoke test targeting server-side errors
Even though everything seems fine, this is not an exhaustive test

SRP 0% from 2 tests

🔹 Tests weight: 20 | The single-responsibility principle: PHP files have to remain inert when accessed directly, throwing no errors and performing no actions
Almost there! Just fix the following items
  • 2× PHP files output text when accessed directly:
    • > /wp-content/plugins/wpforms-lite/templates/emails/compact-field.php
    • > /wp-content/plugins/wpforms-lite/templates/emails/classic-field.php
  • 479× GET requests to PHP files have triggered server-side errors or warnings (only 10 are shown):
    • > PHP Fatal error
      Uncaught Error: Class 'WPForms\\Vendor\\Stripe\\ApiResource' not found in wp-content/plugins/wpforms-lite/vendor_prefixed/stripe/stripe-php/lib/TaxRate.php:27
    • > PHP Fatal error
      Uncaught Error: Class 'WPForms\\Vendor\\Stripe\\Exception\\OAuth\\OAuthErrorException' not found in wp-content/plugins/wpforms-lite/vendor_prefixed/stripe/stripe-php/lib/Exception/OAuth/UnsupportedResponseTypeException.php:9
    • > PHP Fatal error
      Uncaught Error: Class 'WPForms\\Vendor\\Symfony\\Component\\CssSelector\\XPath\\Extension\\AbstractExtension' not found in wp-content/plugins/wpforms-lite/vendor_prefixed/symfony/css-selector/XPath/Extension/PseudoClassExtension.php:25
    • > PHP Fatal error
      Uncaught Error: Class 'WPForms\\Vendor\\Stripe\\ApiResource' not found in wp-content/plugins/wpforms-lite/vendor_prefixed/stripe/stripe-php/lib/Price.php:36
    • > PHP Fatal error
      Uncaught Error: Class 'WPForms\\Vendor\\Stripe\\StripeObject' not found in wp-content/plugins/wpforms-lite/vendor_prefixed/stripe/stripe-php/lib/OAuthErrorObject.php:11
    • > PHP Fatal error
      Uncaught Error: Class 'WPForms\\Vendor\\Symfony\\Component\\CssSelector\\XPath\\Extension\\AbstractExtension' not found in wp-content/plugins/wpforms-lite/vendor_prefixed/symfony/css-selector/XPath/Extension/HtmlExtension.php:27
    • > PHP Fatal error
      Uncaught Error: Class 'Elementor\\Widget_Base' not found in wp-content/plugins/wpforms-lite/src/Integrations/Elementor/Widget.php:14
    • > PHP Fatal error
      Trait 'WPForms\\Integrations\\Stripe\\Admin\\Builder\\Traits\\ContentTrait' not found in wp-content/plugins/wpforms-lite/src/Integrations/Stripe/Admin/Builder/Settings.php on line 12
    • > PHP Fatal error
      Uncaught Error: Class 'WPForms\\Admin\\Tools\\Views\\View' not found in wp-content/plugins/wpforms-lite/src/Admin/Tools/Views/Importer.php:12
    • > PHP Fatal error
      Uncaught Error: Class 'WPForms\\Vendor\\Stripe\\ApiResource' not found in wp-content/plugins/wpforms-lite/vendor_prefixed/stripe/stripe-php/lib/InvoiceItem.php:43

User-side errors Passed 1 test

🔹 Test weight: 20 | Just a short smoke test targeting errors on the browser (console and network errors and warnings)
There were no browser issues found

Optimizations

Plugin configuration 90% from 29 tests

readme.txt 94% from 16 tests

Perhaps the most important file in your plugin readme.txt gets parsed in order to generate the public listing of your plugin
These attributes need your attention:
  • Tags: There are too many tags (40 tag instead of maximum 10)
You can take inspiration from this readme.txt

wpforms-lite/wpforms.php 85% from 13 tests

The main PHP script in "Contact Form by WPForms - Drag & Drop Form Builder for WordPress" version 1.8.5.2 is automatically included on every request by WordPress
It is important to fix the following:
  • Domain Path: You should use only dashes and lowercase characters for the domain path ("assets/languages")
  • Main file name: It is recommended to name the main PHP file as the plugin slug ("wpforms-lite.php" instead of "wpforms.php")

Code Analysis 5% from 3 tests

File types 0% from 1 test

🔸 Test weight: 35 | A short review of files and their extensions; it is not recommended to include executable files
Please fix the following items
  • For security reasons, never distribute binary or executable files with your plugin
    • .crt - Security Certificate in Firefox, IE, Chrome, Safari
      • ☣ wp-content/plugins/wpforms-lite/vendor_prefixed/stripe/stripe-php/data/ca-certificates.crt
183,629 lines of code in 1,273 files:
Language Files Blank lines Comment lines Lines of code
PHP 910 20,283 56,901 101,875
CSS 112 10,075 1,523 54,577
JavaScript 142 7,235 11,930 24,211
SVG 109 0 0 2,966

PHP code Passed 2 tests

This plugin's cyclomatic complexity and code structure detailed below
All good! No complexity issues found
Cyclomatic complexity
Average complexity per logical line of code 0.36
Average class complexity 11.57
▷ Minimum class complexity 1.00
▷ Maximum class complexity 335.00
Average method complexity 2.70
▷ Minimum method complexity 1.00
▷ Maximum method complexity 80.00
Code structure
Namespaces 138
Interfaces 25
Traits 14
Classes 715
▷ Abstract classes 51 7.13%
▷ Concrete classes 664 92.87%
▷ Final classes 7 1.05%
Methods 4,644
▷ Static methods 471 10.14%
▷ Public methods 3,339 71.90%
▷ Protected methods 431 9.28%
▷ Private methods 874 18.82%
Functions 371
▷ Named functions 273 73.58%
▷ Anonymous functions 98 26.42%
Constants 1,374
▷ Global constants 15 1.09%
▷ Class constants 1,359 98.91%
▷ Public constants 1,359 100.00%

Plugin size Passed 2 tests

Image compression Passed 2 tests

PNG files should be compressed to save space and minimize bandwidth usage
140 compressed PNG files occupy 2.67MB
Potential savings
Compression of 5 random PNG files using pngquant
File Size - original Size - compressed Savings
assets/images/sullie-alt.png 18.75KB 19.35KB 0.00%
assets/images/addon-icon-signatures.png 7.45KB 7.76KB 0.00%
assets/images/addon-icon-activecampaign.png 2.72KB 2.59KB ▼ 4.67%
assets/images/lite-settings-access/thumbnail-user-role-editor.png 10.30KB 6.98KB ▼ 32.21%
assets/images/builder-default-arrow.png 2.32KB 2.49KB 0.00%