Report - Mailjet for WordPress 6.1

Does Mailjet for WordPress work with WordPress 6.6.1 and PHP 8.1.12? A smoke test was performed on 2024-09-08 16:16:31 UTC.

Summary

Errors

13	PHP fatal errors
11	JavaScript exceptions
1	Page failed to load 1 500 Internal Server Error
	No resource errors

Performance

Memory usage: 181.38 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 version	6.6.1
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-05-26T17:05:00+00:00
Active installs	20,000+
WordPress.org page	https://wordpress.org/plugins/mailjet-for-wordpress/
Badges	Get badge code

Pages 4

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=mailjet-for-wordpress%2Fwp-mailjet.php&plugin_status=all&paged=1&s&_wpnonce=6a6add7608
Aspect	after-activation
HTTP status	200
Load time	0.430 s
Memory usage	3.65 MiB
JS errors	None
Resource errors	None

Mailjet

URL	/wp-admin/admin.php?page=mailjet_settings_page
Aspect	menu-item
HTTP status	200
Load time	0.247 s
Memory usage	3.61 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	500
Load time	0.051 s
Memory usage	N/A
JS errors	None
Resource errors	None

Widgets ‹ Test site — WordPress

URL	/wp-admin/widgets.php
Aspect	new-sidebar-widgets
HTTP status	200
Load time	2.539 s
Memory usage	5.77 MiB
JS errors	[ { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null }, { "message": "Object", "trace": null, "code": null } ]
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.291 s	0.310 s	+0.019 s	3.47 MiB	3.64 MiB	+ 165.33 KiB
/wp-admin/edit.php	0.210 s	0.201 s	-0.009 s	3.54 MiB	3.7 MiB	+ 165.61 KiB
/wp-admin/post-new.php	0.786 s	0.611 s	-0.175 s	5.75 MiB	5.93 MiB	+ 184.58 KiB
/wp-admin/upload.php	0.646 s	0.349 s	-0.297 s	3.49 MiB	3.63 MiB	+ 147.89 KiB
/wp-admin/options-writing.php	0.198 s	0.188 s	-0.010 s	3.41 MiB	3.62 MiB	+ 210.74 KiB
/wp-admin/media-new.php	0.278 s	0.346 s	+0.068 s	3.4 MiB	3.62 MiB	+ 224.08 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.190 s	0.192 s	+0.002 s	3.47 MiB	3.64 MiB	+ 171.06 KiB
/wp-admin/post-new.php?post_type=page	0.607 s	0.591 s	-0.016 s	5.75 MiB	5.93 MiB	+ 184.16 KiB
/wp-admin/options-discussion.php	0.264 s	0.302 s	+0.038 s	3.41 MiB	3.62 MiB	+ 212.43 KiB
/wp-admin/edit-comments.php	0.234 s	0.238 s	+0.004 s	3.49 MiB	3.63 MiB	+ 147.93 KiB
Average	0.370 s	0.333 s	-0.038 s	3.92 MiB	4.09 MiB	+ 181.38 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

PO File

HTML

CSS

Language		%	Lines of code	Comment lines	Files
	PHP	42.9%	7,425	2,023	57
	PO File	29.5%	5,109	2,224	6
	HTML	9.4%	1,627	401	4
	CSS	9.1%	1,568	57	4
	SVG	4.7%	805	3	18
	JavaScript	2.2%	383	82	5
	Markdown	1.8%	315	0	2
	JSON	0.4%	69	0	1
Total			17,301	4,790	97

PHP Code Analysis | More results »

Lines of code	6,533
Total complexity	1,151
Median class complexity	19.0
Median method complexity	3.0
Most complex class	MailjetWp\MailjetPlugin\Includes\SettingsPages\WooCommerceSettings
Most complex function	MailjetWp\MailjetPlugin\Includes\SettingsPages\IntegrationsSettings::wooIntegration()

Classes	32
Methods	273
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.

Options `wp_options` 18

activate_mailjet_comment_authors_sync
activate_mailjet_initial_sync
activate_mailjet_sync
api_credentials_ok
contacts_list_ok
create_contact_list_btn
create_list_name
mailjet_activate_logger
mailjet_apikey
mailjet_apisecret
mailjet_comment_authors_list
mailjet_from_email_extra
mailjet_from_email_extra_hidden
mailjet_plugin_version
mailjet_sync_list
send_test_email_btn
settings_step
widget_wp_mailjet_form_builder_widget

Sidebar Widgets 1

ID	Name
wp_mailjet_form_builder_widget	Mailjet Form Builder Widget

Capabilities 1

mailjet_plugin_access

PHP Error Log 326 lines

[08-Sep-2024 16:16:51 UTC] PHP Fatal error:  Uncaught Error: Class "MailjetWp\MailjetPlugin\Front\Mailjet" not found in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php:84
Stack trace:
#0 /wp-includes/class-wp-hook.php(324): MailjetWp\MailjetPlugin\Front\MailjetPublic->enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(517): WP_Hook->do_action()
#3 /wp-includes/script-loader.php(2263): do_action()
#4 /wp-includes/class-wp-hook.php(324): wp_enqueue_scripts()
#5 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#6 /wp-includes/plugin.php(517): WP_Hook->do_action()
#7 /wp-includes/general-template.php(3065): do_action()
#8 /wp-content/themes/twentyseventeen/header.php(22): wp_head()
#9 /wp-includes/template.php(810): require_once('...')
#10 /wp-includes/template.php(745): load_template()
#11 /wp-includes/general-template.php(48): locate_template()
#12 /wp-content/themes/twentyseventeen/index.php(18): get_header()
#13 /wp-includes/template-loader.php(106): include('...')
#14 /wp-blog-header.php(19): require_once('...')
#15 /index.php(17): require('...')
#16 {main}
  thrown in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php on line 84
[08-Sep-2024 16:16:59 UTC] PHP Fatal error:  Uncaught Error: Class "MailjetWp\MailjetPlugin\Front\Mailjet" not found in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php:84
Stack trace:
#0 /wp-includes/class-wp-hook.php(324): MailjetWp\MailjetPlugin\Front\MailjetPublic->enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(517): WP_Hook->do_action()
#3 /wp-includes/script-loader.php(2263): do_action()
#4 /wp-includes/class-wp-hook.php(324): wp_enqueue_scripts()
#5 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#6 /wp-includes/plugin.php(517): WP_Hook->do_action()
#7 /wp-includes/general-template.php(3065): do_action()
#8 /wp-content/themes/twentyseventeen/header.php(22): wp_head()
#9 /wp-includes/template.php(810): require_once('...')
#10 /wp-includes/template.php(745): load_template()
#11 /wp-includes/general-template.php(48): locate_template()
#12 /wp-content/themes/twentyseventeen/index.php(18): get_header()
#13 /wp-includes/template-loader.php(106): include('...')
#14 /wp-blog-header.php(19): require_once('...')
#15 /index.php(17): require('...')
#16 {main}
  thrown in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php on line 84
[08-Sep-2024 16:17:03 UTC] PHP Fatal error:  Uncaught Error: Class "MailjetWp\MailjetPlugin\Front\Mailjet" not found in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php:84
Stack trace:
#0 /wp-includes/class-wp-hook.php(324): MailjetWp\MailjetPlugin\Front\MailjetPublic->enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(517): WP_Hook->do_action()
#3 /wp-includes/script-loader.php(2263): do_action()
#4 /wp-includes/class-wp-hook.php(324): wp_enqueue_scripts()
#5 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#6 /wp-includes/plugin.php(517): WP_Hook->do_action()
#7 /wp-includes/general-template.php(3065): do_action()
#8 /wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php(631): wp_head()
#9 /wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php(603): WP_REST_Widget_Types_Controller->render_legacy_widget_preview_iframe()
#10 /wp-includes/rest-api/class-wp-rest-server.php(1230): WP_REST_Widget_Types_Controller->render()
#11 /wp-includes/rest-api/class-wp-rest-server.php(1063): WP_REST_Server->respond_to_request()
#12 /wp-includes/rest-api/class-wp-rest-server.php(439): WP_REST_Server->dispatch()
#13 /wp-includes/rest-api.php(420): WP_REST_Server->serve_request()
#14 /wp-includes/class-wp-hook.php(324): rest_api_loaded()
#15 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#16 /wp-includes/plugin.php(565): WP_Hook->do_action()
#17 /wp-includes/class-wp.php(418): do_action_ref_array()
#18 /wp-includes/class-wp.php(813): WP->parse_request()
#19 /wp-includes/functions.php(1336): WP->main()
#20 /wp-blog-header.php(16): wp()
#21 /index.php(17): require('...')
#22 {main}
  thrown in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php on line 84
[08-Sep-2024 16:17:03 UTC] PHP Fatal error:  Uncaught Error: Class "MailjetWp\MailjetPlugin\Front\Mailjet" not found in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php:84
Stack trace:
#0 /wp-includes/class-wp-hook.php(324): MailjetWp\MailjetPlugin\Front\MailjetPublic->enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(517): WP_Hook->do_action()
#3 /wp-includes/script-loader.php(2263): do_action()
#4 /wp-includes/class-wp-hook.php(324): wp_enqueue_scripts()
#5 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#6 /wp-includes/plugin.php(517): WP_Hook->do_action()
#7 /wp-includes/general-template.php(3065): do_action()
#8 /wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php(631): wp_head()
#9 /wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php(603): WP_REST_Widget_Types_Controller->render_legacy_widget_preview_iframe()
#10 /wp-includes/rest-api/class-wp-rest-server.php(1230): WP_REST_Widget_Types_Controller->render()
#11 /wp-includes/rest-api/class-wp-rest-server.php(1063): WP_REST_Server->respond_to_request()
#12 /wp-includes/rest-api/class-wp-rest-server.php(439): WP_REST_Server->dispatch()
#13 /wp-includes/rest-api.php(420): WP_REST_Server->serve_request()
#14 /wp-includes/class-wp-hook.php(324): rest_api_loaded()
#15 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#16 /wp-includes/plugin.php(565): WP_Hook->do_action()
#17 /wp-includes/class-wp.php(418): do_action_ref_array()
#18 /wp-includes/class-wp.php(813): WP->parse_request()
#19 /wp-includes/functions.php(1336): WP->main()
#20 /wp-blog-header.php(16): wp()
#21 /index.php(17): require('...')
#22 {main}
  thrown in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php on line 84
[08-Sep-2024 16:17:03 UTC] PHP Fatal error:  Uncaught Error: Class "MailjetWp\MailjetPlugin\Front\Mailjet" not found in /wp-content/plugins/mailjet-for-wordpress/src/front/MailjetPublic.php:84
Stack trace:
#0 /wp-includes/class-wp-hook.php(324): MailjetWp\MailjetPlugin\Front\MailjetPublic->enqueue_scripts()
#1 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()
#2 /wp-includes/plugin.php(517): WP_Hook->do_action()
#3 /wp-includes/script-loader.php(2263): do_action()
#4 /wp-includes/class-wp-hook.php(324): wp_enqueue_scripts()
#5 /wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters()

(+226 more lines)

Mailjet for WordPress 6.1