Email Subscribers & Newsletters – Simple and Effective Email Marketing WordPress Plugin 4.5.0.1

Does "Email Subscribers & Newsletters" work with WordPress 5.4.2 and PHP 7.2.16? A smoke test was performed on .

Summary

Errors
1PHP notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 1.15 MiB
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 version5.4.2
PHP version7.2.16
MySQL version8.0.15
PHP memory limit256M
Plugin Info
Last updated
Active installs 100,000+
WordPress.org page https://wordpress.org/plugins/email-subscribers/
Badges

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Pages 16

Dashboard ‹ Test site — WordPress

Page screenshot: Dashboard ‹ Test site — WordPress
URL /wp-admin/admin.php?page=es_dashboard
Requested URL /wp-admin/plugins.php?action=activate&plugin=email-subscribers%2Femail-subscribers.php&plugin_status=all&paged=1&s&_wpnonce=d1972f10ab
Aspect after-activation
HTTP status 200
Load time 3.955 s
Memory usage 4.83 MiB
JS errors None
Resource errors None

Email Subscribers

Page screenshot: Email Subscribers
URL /wp-admin/admin.php?page=es_dashboard
Aspect menu-item
HTTP status 200
Load time 0.238 s
Memory usage 4.68 MiB
JS errors None
Resource errors None

Email Subscribers → Audience

Page screenshot: Email Subscribers → Audience
URL /wp-admin/admin.php?page=es_subscribers
Aspect menu-item
HTTP status 200
Load time 0.209 s
Memory usage 4.72 MiB
JS errors None
Resource errors None

Email Subscribers → Lists

Page screenshot: Email Subscribers → Lists
URL /wp-admin/admin.php?page=es_lists
Aspect menu-item
HTTP status 200
Load time 0.237 s
Memory usage 4.71 MiB
JS errors None
Resource errors None

Email Subscribers → Forms

Page screenshot: Email Subscribers → Forms
URL /wp-admin/admin.php?page=es_forms
Aspect menu-item
HTTP status 200
Load time 0.183 s
Memory usage 4.7 MiB
JS errors None
Resource errors None

Email Subscribers → Campaigns

Page screenshot: Email Subscribers → Campaigns
URL /wp-admin/admin.php?page=es_campaigns
Aspect menu-item
HTTP status 200
Load time 0.185 s
Memory usage 4.7 MiB
JS errors None
Resource errors None

Email Subscribers → Workflows

Page screenshot: Email Subscribers → Workflows
URL /wp-admin/admin.php?page=es_workflows
Aspect menu-item
HTTP status 200
Load time 0.271 s
Memory usage 4.7 MiB
JS errors None
Resource errors None

Email Subscribers → Post Notifications

Page screenshot: Email Subscribers → Post Notifications
URL /wp-admin/admin.php?page=es_notifications
Aspect menu-item
HTTP status 200
Load time 0.209 s
Memory usage 4.67 MiB
JS errors None
Resource errors None

Email Subscribers → Broadcast

Page screenshot: Email Subscribers → Broadcast
URL /wp-admin/admin.php?page=es_newsletters
Aspect menu-item
HTTP status 200
Load time 0.891 s
Memory usage 4.83 MiB
JS errors None
Resource errors None

Email Subscribers → Reports

Page screenshot: Email Subscribers → Reports
URL /wp-admin/admin.php?page=es_reports
Aspect menu-item
HTTP status 200
Load time 0.206 s
Memory usage 4.68 MiB
JS errors None
Resource errors None

Email Subscribers → Settings

Page screenshot: Email Subscribers → Settings
URL /wp-admin/admin.php?page=es_settings
Aspect menu-item
HTTP status 200
Load time 0.365 s
Memory usage 4.77 MiB
JS errors None
Resource errors None

Email Subscribers → Help & Info

Page screenshot: Email Subscribers → Help & Info
URL /wp-admin/admin.php?page=es_general_information
Aspect menu-item
HTTP status 200
Load time 0.232 s
Memory usage 4.83 MiB
JS errors None
Resource errors None

Email Subscribers → Go Pro

Page screenshot: Email Subscribers →    Go Pro
URL /wp-admin/admin.php?page=es_pricing
Aspect menu-item
HTTP status 200
Load time 0.177 s
Memory usage 4.67 MiB
JS errors None
Resource errors None

Tools → Scheduled Actions

Page screenshot: Tools → Scheduled Actions
URL /wp-admin/tools.php?page=action-scheduler
Aspect menu-item
HTTP status 200
Load time 0.191 s
Memory usage 4.9 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 0.262 s
Memory usage 4.39 MiB
JS errors None
Resource errors None

Widgets ‹ Test site — WordPress

Page screenshot: Widgets ‹ Test site — WordPress
URL /wp-admin/widgets.php
Aspect new-sidebar-widgets
HTTP status 200
Load time 0.858 s
Memory usage 4.94 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.342 s0.300 s-0.042 s3.64 MiB4.78 MiB+ 1.14 MiB
/wp-admin/edit.php0.240 s0.233 s-0.007 s3.67 MiB4.82 MiB+ 1.16 MiB
/wp-admin/post-new.php1.181 s1.593 s+0.412 s5.43 MiB6.63 MiB+ 1.2 MiB
/wp-admin/upload.php0.429 s0.409 s-0.020 s3.5 MiB4.72 MiB+ 1.22 MiB
/wp-admin/options-writing.php0.428 s0.159 s-0.269 s3.58 MiB4.67 MiB+ 1.09 MiB
/wp-admin/media-new.php0.205 s0.190 s-0.015 s3.48 MiB4.66 MiB+ 1.18 MiB
/wp-admin/edit-tags.php?taxonomy=category0.175 s0.200 s+0.025 s3.58 MiB4.74 MiB+ 1.15 MiB
/wp-admin/post-new.php?post_type=page1.008 s1.053 s+0.045 s5.42 MiB6.61 MiB+ 1.19 MiB
/wp-admin/options-discussion.php0.262 s0.309 s+0.047 s3.48 MiB4.68 MiB+ 1.2 MiB
/wp-admin/edit-comments.php0.230 s0.200 s-0.030 s3.59 MiB4.74 MiB+ 1.15 MiB
/0.326 s0.310 s-0.016 s3.43 MiB4.39 MiB+ 983.59 KiB
Average 0.439 s0.451 s+0.012 s3.89 MiB5.04 MiB+ 1.15 MiB

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.

Database Tables 20

Options wp_options 56

Custom Post Types 2

ID Name
scheduled-actionScheduled Actions
es_templateTemplates

Sidebar Widgets 1

ID Name
email-subscribers-formEmail Subscribers

Meta Boxes

{
    "es_template": {
        "es_template_meta_box": {
            "title": "Available Keywords",
            "context": "normal"
        }
    }
}

PHP Error Log 1 lines

[09-Jul-2020 12:39:14 UTC] PHP Notice:  Undefined index: PREMIUM10 in /wp-content/plugins/email-subscribers/lite/includes/class-es-common.php on line 1649
See also: All tests for this plugin, How to Hide Email Subscribers & Newsletters Admin Menus and Meta Boxes