Report - Simple Calendar 4.2.0

Does Simple Calendar work with WordPress 7.1 and PHP 8.1.12? A smoke test was performed on 2026-08-24 10:19:18 UTC.

Summary

Errors

1	PHP deprecation warnings
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 184.78 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	7.1
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-09-14T07:16:00+00:00
Active installs	50,000+
WordPress.org page	https://wordpress.org/plugins/google-calendar-events/
Badges	Get badge code

Pages 10

Connect ‹ Test site — WordPress

URL	/wp-admin/edit.php?post_type=calendar&page=simple-calendar_settings
Requested URL	/wp-admin/plugins.php?action=activate&plugin=google-calendar-events%2Fgoogle-calendar-events.php&plugin_status=all&paged=1&s&_wpnonce=caf0a65c88
Aspect	after-activation
HTTP status	200
Load time	2.230 s
Memory usage	5.24 MiB
JS errors	None
Resource errors	None

Calendars

URL	/wp-admin/edit.php?post_type=calendar
Aspect	menu-item
HTTP status	200
Load time	0.664 s
Memory usage	4.48 MiB
JS errors	None
Resource errors	None

Calendars → Add New calendar

URL	/wp-admin/post-new.php?post_type=calendar
Aspect	menu-item
HTTP status	200
Load time	2.035 s
Memory usage	4.73 MiB
JS errors	None
Resource errors	None

Calendars → Categories

URL	/wp-admin/edit-tags.php?taxonomy=calendar_category&post_type=calendar
Aspect	menu-item
HTTP status	200
Load time	0.641 s
Memory usage	4.42 MiB
JS errors	None
Resource errors	None

Calendars → Connect New!

URL	/wp-admin/edit.php?post_type=calendar&page=simple-calendar_settings
Aspect	menu-item
HTTP status	200
Load time	1.264 s
Memory usage	4.49 MiB
JS errors	None
Resource errors	None

Calendars → Settings

URL	/wp-admin/edit.php?post_type=calendar&page=simple-calendar_misc_settings
Aspect	menu-item
HTTP status	200
Load time	0.777 s
Memory usage	4.49 MiB
JS errors	None
Resource errors	None

Calendars → Add-ons

URL	/wp-admin/edit.php?post_type=calendar&page=simple-calendar_add_ons
Aspect	menu-item
HTTP status	200
Load time	0.629 s
Memory usage	4.41 MiB
JS errors	None
Resource errors	None

Calendars → Tools

URL	/wp-admin/edit.php?post_type=calendar&page=simple-calendar_tools
Aspect	menu-item
HTTP status	200
Load time	1.384 s
Memory usage	4.57 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.284 s
Memory usage	4.72 MiB
JS errors	None
Resource errors	None

Widgets ‹ Test site — WordPress

URL	/wp-admin/widgets.php
Aspect	new-sidebar-widgets
HTTP status	200
Load time	1.745 s
Memory usage	6.8 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	1.079 s	0.706 s	-0.373 s	4.23 MiB	4.41 MiB	+ 189.83 KiB
/wp-admin/edit.php	0.569 s	0.563 s	-0.006 s	4.28 MiB	4.48 MiB	+ 201 KiB
/wp-admin/post-new.php	1.794 s	1.928 s	+0.134 s	6.78 MiB	7 MiB	+ 225.34 KiB
/wp-admin/upload.php	1.433 s	1.132 s	-0.301 s	4.25 MiB	4.42 MiB	+ 177.73 KiB
/wp-admin/options-writing.php	0.570 s	1.003 s	+0.433 s	4.22 MiB	4.39 MiB	+ 175.9 KiB
/wp-admin/media-new.php	0.595 s	0.632 s	+0.037 s	4.21 MiB	4.39 MiB	+ 184.09 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.743 s	0.532 s	-0.211 s	4.22 MiB	4.41 MiB	+ 190.75 KiB
/wp-admin/post-new.php?post_type=page	2.027 s	2.076 s	+0.049 s	6.76 MiB	6.98 MiB	+ 225.2 KiB
/wp-admin/options-discussion.php	1.000 s	0.928 s	-0.072 s	4.23 MiB	4.39 MiB	+ 168.4 KiB
/wp-admin/edit-comments.php	0.579 s	0.567 s	-0.012 s	4.24 MiB	4.41 MiB	+ 171.8 KiB
/	0.342 s	0.213 s	-0.129 s	4.6 MiB	4.72 MiB	+ 122.59 KiB
Average	0.976 s	0.935 s	-0.041 s	4.73 MiB	4.91 MiB	+ 184.78 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
	PHP	94.0%	16,867	7,765	93
	PO File	4.4%	783	455	1
	SVG	1.7%	302	0	27
Total			17,952	8,220	121

PHP Code Analysis | More results »

Lines of code	15,584
Total complexity	3,426
Median class complexity	29.0
Median method complexity	3.0
Most complex class	SimpleCalendar\Browser
Most complex function	SimpleCalendar\Events\Event_Builder::process_event_content()

Classes	68
Methods	554
Functions	60

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` 3

simple-calendar_admin_notices
simple-calendar_version
widget_gce_widget

Custom Post Types 1

ID	Name
calendar	Calendars

Sidebar Widgets 1

ID	Name
gce_widget	Simple Calendar

Meta Boxes

{
    "calendar": {
        "simcal-calendar-settings": {
            "title": "Calendar Settings",
            "context": "normal"
        },
        "simcal-upgrade": {
            "title": "Looking for more?",
            "context": "side"
        },
        "simcal-get-shortcode": {
            "title": "Calendar Shortcode",
            "context": "side"
        }
    }
}

PHP Error Log 1 lines

[24-Aug-2026 10:19:44 UTC] PHP Deprecated:  version_compare(): Passing null to parameter #1 ($version1) of type string is deprecated in /wp-content/plugins/google-calendar-events/includes/update.php on line 69

Simple Calendar 4.2.0