Benchmarks

Plugin footprint 83% from 16 tests

Installer Passed 1 test

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

This plugin's installer ran successfully

Server metrics [RAM: ▲0.02MB] [CPU: ▼1.04ms] Passed 4 tests

An overview of server-side resources used by WP Mail SMTP SendGrid Edition

Normal server usage

Page	Memory (MB)	CPU Time (ms)
Home /	3.48 ▲0.02	40.15 ▼1.48
Dashboard /wp-admin	3.32 ▲0.02	47.51 ▼1.21
Posts /wp-admin/edit.php	3.37 ▲0.02	47.30 ▲3.56
Add New Post /wp-admin/post-new.php	5.90 ▲0.02	85.63 ▼3.50
Media Library /wp-admin/upload.php	3.24 ▲0.02	32.86 ▲2.02
Email /wp-admin/options-general.php?page=wp-mail-smtp-sendgrid-edition/wp_mail_smtp.php	3.24	29.31

Server storage [IO: ▲0.40MB] [DB: ▲0.00MB] Passed 3 tests

Input-output and database impact of this plugin

There were no storage issued detected upon installing this plugin

Filesystem: 9 new files

Database: no new tables, 16 new options

New WordPress options
can_compress_scripts
smtp_pass
mailer
smtp_host
widget_recent-posts
smtp_auth
widget_theysaidso_widget
db_upgraded
smtp_port
theysaidso_admin_options
...

Browser metrics Passed 4 tests

An overview of browser requirements for WP Mail SMTP SendGrid Edition

This plugin has a minimal impact on browser resources

Page	Nodes	Memory (MB)	Script (ms)	Layout (ms)
Home /	2,829 ▲94	13.18 ▼1.17	2.01 ▼0.25	46.72 ▼0.98
Dashboard /wp-admin	2,207 ▲19	5.76 ▼0.21	99.59 ▼18.72	39.25 ▼2.12
Posts /wp-admin/edit.php	2,093 ▲7	2.04 ▲0.03	35.80 ▼0.86	30.62 ▼1.67
Add New Post /wp-admin/post-new.php	1,537 ▲4	23.04 ▼0.11	652.50 ▼21.02	50.66 ▲0.55
Media Library /wp-admin/upload.php	1,392 ▲4	4.12 ▼0.10	93.41 ▼11.85	42.85 ▲1.22
Email /wp-admin/options-general.php?page=wp-mail-smtp-sendgrid-edition/wp_mail_smtp.php	1,063	1.83	23.58	33.48

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

🔸 Tests weight: 35 | All plugins must uninstall correctly, removing their source code and extra database tables they might have created

The following items require your attention

Zombie WordPress options detected upon uninstall: 16 options
- smtp_user
- widget_recent-comments
- can_compress_scripts
- mailer
- mail_from_name
- smtp_auth
- smtp_port
- smtp_host
- smtp_ssl
- mail_set_return_path
- ...

Smoke tests 75% from 4 tests

Server-side errors Passed 1 test

🔹 Test weight: 20 | A shallow check that no server-side errors were triggered

The smoke test was a success, however most plugin functionality was not tested

SRP 50% 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

Please take a closer look at the following

1× GET requests to PHP files have triggered server-side errors or warnings:
- > PHP Fatal error
  Uncaught Error: Call to undefined function add_action() in wp-content/plugins/wp-mail-smtp-sendgrid-edition/wp_mail_smtp.php:551

User-side errors Passed 1 test

🔹 Test weight: 20 | A shallow check that no browser errors were triggered

Everything seems fine on the user side

Optimizations

Plugin configuration 90% 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

These attributes need your attention:

Screenshots: Please add images for these screenshots: #1 (Advanced Email Options), #2 (SMTP Options), #3 (Send a Test Email), #4 (Subject in the SendGrid Activity screen)

The official readme.txt is a good inspiration

wp-mail-smtp-sendgrid-edition/wp_mail_smtp.php 85% from 13 tests

The principal PHP file in "WP Mail SMTP SendGrid Edition" v. 1.4.0 is loaded by WordPress automatically on each request

It is important to fix the following:

Description: Please don't use more than 140 characters for the plugin description (currently 171 characters long)
Main file name: The principal plugin file should be the same as the plugin slug ("wp-mail-smtp-sendgrid-edition.php" instead of "wp_mail_smtp.php")

Code Analysis Passed 3 tests

File types Passed 1 test

🔸 Test weight: 35 | A short review of files and their extensions; it is not recommended to include executable files

Good job! No executable or dangerous file extensions detected356 lines of code in 2 files:

Language	Files	Blank lines	Comment lines	Lines of code
PHP	1	112	115	346
Markdown	1	8	0	10

PHP code Passed 2 tests

This plugin's cyclomatic complexity and code structure detailed below

Great job! No cyclomatic complexity issues were detected in this plugin

Cyclomatic complexity
Average complexity per logical line of code	0.43
Average class complexity	0.00
▷ Minimum class complexity	0.00
▷ Maximum class complexity	0.00
Average method complexity	0.00
▷ Minimum method complexity	0.00
▷ Maximum method complexity	0.00

Code structure
Namespaces	0
Interfaces	0
Traits	0
Classes	0
▷ Abstract classes	0	0.00%
▷ Concrete classes	0	0.00%
▷ Final classes	0	0.00%
Methods	0
▷ Static methods	0	0.00%
▷ Public methods	0	0.00%
▷ Protected methods	0	0.00%
▷ Private methods	0	0.00%
Functions	10
▷ Named functions	10	100.00%
▷ Anonymous functions	0	0.00%
Constants	0
▷ Global constants	0	0.00%
▷ Class constants	0	0.00%
▷ Public constants	0	0.00%

Plugin size Passed 2 tests

Image compression Passed 2 tests

It is recommended to compress PNG files in your plugin to minimize bandwidth usage

4 PNG files occupy 0.36MB with 0.25MB in potential savings

Potential savings

Compression of 4 random PNG files using pngquant
File	Size - original	Size - compressed	Savings
screenshot-4.png	76.66KB	25.21KB	▼ 67.11%
screenshot-2.png	124.71KB	37.91KB	▼ 69.60%
screenshot-3.png	29.05KB	8.73KB	▼ 69.96%
screenshot-1.png	139.75KB	42.60KB	▼ 69.52%

Code Review | WP Mail SMTP SendGrid Edition

About plugin

Code review

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