WP SendGrid SMTP 1.0.6

Does WP SendGrid SMTP work with WordPress 7.0.4 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: 24.47 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 version7.0.4
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 4,000+
WordPress.org page https://wordpress.org/plugins/wp-sendgrid-smtp/
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Pages 4

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=wp-sendgrid-smtp%2Fwp-sendgrid-smtp.php&plugin_status=all&paged=1&s&_wpnonce=f2fe752f81
Aspect after-activation
HTTP status 200
Load time 0.864 s
Memory usage 3.91 MiB
JS errors None
Resource errors None

SendGrid SMTP

Page screenshot: SendGrid SMTP
URL /wp-admin/admin.php?page=sendgridsmtp
Aspect menu-item
HTTP status 200
Load time 0.455 s
Memory usage 5.38 MiB
JS errors None
Resource errors None

SendGrid SMTP → Test Email

Page screenshot: SendGrid SMTP → Test Email
URL /wp-admin/admin.php?page=sendgridsmtp&tab=test-email
Aspect menu-item-tab
HTTP status 200
Load time 1.039 s
Memory usage 3.88 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 0.248 s
Memory usage 4.24 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.676 s0.601 s-0.075 s3.92 MiB3.96 MiB+ 32.18 KiB
/wp-admin/edit.php0.494 s0.495 s+0.001 s3.98 MiB4.01 MiB+ 32.19 KiB
/wp-admin/post-new.php2.000 s1.641 s-0.359 s6.56 MiB6.59 MiB+ 35.8 KiB
/wp-admin/upload.php0.701 s0.691 s-0.010 s3.89 MiB3.9 MiB+ 14.6 KiB
/wp-admin/options-writing.php0.534 s0.880 s+0.346 s3.86 MiB3.88 MiB+ 18.59 KiB
/wp-admin/media-new.php0.558 s0.538 s-0.020 s3.85 MiB3.88 MiB+ 26.79 KiB
/wp-admin/edit-tags.php?taxonomy=category0.495 s0.515 s+0.020 s3.86 MiB3.9 MiB+ 31.96 KiB
/wp-admin/post-new.php?post_type=page1.864 s1.654 s-0.210 s6.55 MiB6.58 MiB+ 31.32 KiB
/wp-admin/options-discussion.php0.659 s0.559 s-0.100 s3.86 MiB3.88 MiB+ 15.09 KiB
/wp-admin/edit-comments.php0.513 s0.493 s-0.020 s3.88 MiB3.9 MiB+ 14.71 KiB
/0.295 s0.177 s-0.118 s4.23 MiB4.24 MiB+ 15.93 KiB
Average 0.799 s0.749 s-0.050 s4.41 MiB4.43 MiB+ 24.47 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
Language % Lines of code Comment lines Files
PHP100.0%545905
Total 545 90 5

PHP Code Analysis | More results »

Lines of code 507
Total complexity 105
Median class complexity 23.5
Median method complexity 2.0
Most complex class WPSendGrid_Settings
Most complex function WPSendGrid_SMTP::create_admin_page()
Classes 4
Methods 31
Functions 1

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.

No new entries found.

PHP Error Log 4 lines

[14-Aug-2026 16:57:20 UTC] PHP Deprecated:  File class-phpmailer.php is <strong>deprecated</strong> since version 5.5.0! Use wp-includes/PHPMailer/PHPMailer.php instead. The PHPMailer class has been moved to wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace. in /wp-includes/functions.php on line 6170
[14-Aug-2026 16:57:20 UTC] PHP Deprecated:  File class-smtp.php is <strong>deprecated</strong> since version 5.5.0! Use wp-includes/PHPMailer/SMTP.php instead. The SMTP class has been moved to the wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace. in /wp-includes/functions.php on line 6170
[14-Aug-2026 16:57:21 UTC] PHP Deprecated:  File class-phpmailer.php is <strong>deprecated</strong> since version 5.5.0! Use wp-includes/PHPMailer/PHPMailer.php instead. The PHPMailer class has been moved to wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace. in /wp-includes/functions.php on line 6170
[14-Aug-2026 16:57:21 UTC] PHP Deprecated:  File class-smtp.php is <strong>deprecated</strong> since version 5.5.0! Use wp-includes/PHPMailer/SMTP.php instead. The SMTP class has been moved to the wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace. in /wp-includes/functions.php on line 6170
See also: All tests for this plugin, How to Hide the "SendGrid SMTP" Admin Menu