Report - Simple Calendar 3.5.2

Does Simple Calendar work with WordPress 6.8.1 and PHP 8.1.12? A smoke test was performed on 2025-05-12 12:41:08 UTC.

Summary

Errors

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

Performance

Memory usage: 164.58 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.049 seconds
The average page load time increased by this amount after activating the plugin.

Environment

WordPress version	6.8.1
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-05-28T07:05:00+00:00
Active installs	50,000+
WordPress.org page	https://wordpress.org/plugins/google-calendar-events/
Badges	Get badge code

Pages 9

Welcome to Simple Calendar ‹ Test site — WordPress

URL	/wp-admin/index.php?page=simple-calendar_about#038;simcal_install=fresh
Requested URL	/wp-admin/plugins.php?action=activate&plugin=google-calendar-events%2Fgoogle-calendar-events.php&plugin_status=all&paged=1&s&_wpnonce=cefc27f895
Aspect	after-activation
HTTP status	200
Load time	0.873 s
Memory usage	4.28 MiB
JS errors	None
Resource errors	None

Calendars

URL	/wp-admin/edit.php?post_type=calendar
Aspect	menu-item
HTTP status	200
Load time	0.305 s
Memory usage	3.73 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	1.152 s
Memory usage	4.24 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	0.242 s
Memory usage	3.66 MiB
JS errors	None
Resource errors	None

Calendars → Settings

URL	/wp-admin/edit.php?post_type=calendar&page=simple-calendar_settings
Aspect	menu-item
HTTP status	200
Load time	0.273 s
Memory usage	3.75 MiB
JS errors	None
Resource errors	None

Calendars → Add-ons

URL	https://simplecalendar.io/addons/?utm_source=inside-plugin#038;utm_medium=link&utm_campaign=core-plugin&utm_content=plugin-submenu-link
Requested URL	/wp-admin/edit.php?post_type=calendar&page=simple-calendar_add_ons
Aspect	menu-item
HTTP status	200
Load time	3.390 s
Memory usage	N/A
JS errors	[ { "message": "Error: Syntax error, unrecognized expression: #my-account-038;utm_medium=link&utm_campaign=core-plugin&utm_content=plugin-submenu-link\n at Function.I.error (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:11769)\n at Y (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:17234)\n at re (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:20008)\n at Function.I (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:7520)\n at Function.<anonymous> (https://simplecalendar.io/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1:2:2898)\n at Function.e.<computed> [as find] (https://simplecalendar.io/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1:2:1582)\n at ce.fn.init.find (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:21991)\n at e.<computed>.ce.fn.init (https://simplecalendar.io/wp-includes/js/jquery/jquery.min.js?ver=3.7.1:2:22483)\n at e.<computed>.<anonymous> (https://simplecalendar.io/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1:2:2438)\n at new e.<computed> (https://simplecalendar.io/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1:2:1582)", "trace": null, "code": null } ]
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	1.278 s
Memory usage	4.01 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.361 s
Memory usage	3.56 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	1.343 s
Memory usage	5.99 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.301 s	0.528 s	+0.227 s	3.51 MiB	3.67 MiB	+ 161.98 KiB
/wp-admin/edit.php	0.199 s	0.263 s	+0.064 s	3.57 MiB	3.76 MiB	+ 191.11 KiB
/wp-admin/post-new.php	0.778 s	1.667 s	+0.889 s	6.06 MiB	6.29 MiB	+ 233.27 KiB
/wp-admin/upload.php	0.797 s	0.326 s	-0.471 s	3.52 MiB	3.67 MiB	+ 148.76 KiB
/wp-admin/options-writing.php	0.232 s	0.221 s	-0.011 s	3.5 MiB	3.65 MiB	+ 152.48 KiB
/wp-admin/media-new.php	0.317 s	0.253 s	-0.064 s	3.49 MiB	3.65 MiB	+ 160.73 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.239 s	0.259 s	+0.020 s	3.5 MiB	3.67 MiB	+ 165.91 KiB
/wp-admin/post-new.php?post_type=page	0.601 s	0.925 s	+0.324 s	6.05 MiB	6.22 MiB	+ 169.13 KiB
/wp-admin/options-discussion.php	0.460 s	0.286 s	-0.174 s	3.5 MiB	3.65 MiB	+ 149.03 KiB
/wp-admin/edit-comments.php	0.401 s	0.227 s	-0.174 s	3.52 MiB	3.67 MiB	+ 148.63 KiB
/	0.328 s	0.240 s	-0.088 s	3.43 MiB	3.56 MiB	+ 129.41 KiB
Average	0.423 s	0.472 s	+0.049 s	3.97 MiB	4.13 MiB	+ 164.58 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	87.5%	12,418	6,267	74
	CSS	6.8%	960	167	1
	PO File	5.5%	783	455	1
	SVG	0.2%	33	0	1
Total			14,194	6,889	77

PHP Code Analysis | More results »

Lines of code	12,385
Total complexity	2,407
Median class complexity	24.0
Median method complexity	3.0
Most complex class	SimpleCalendar\Browser
Most complex function	SimpleCalendar\Events\Event_Builder::process_event_content()

Classes	64
Methods	465
Functions	41

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 2 lines

[12-May-2025 12:41:24 UTC] PHP Deprecated:  version_compare(): Passing null to parameter #1 ($version1) of type string is deprecated in /wp-content/plugins/google-calendar-events/includes/update.php on line 69
[12-May-2025 12:41:24 UTC] PHP Deprecated:  version_compare(): Passing null to parameter #1 ($version1) of type string is deprecated in /wp-content/plugins/google-calendar-events/includes/update.php on line 69

Simple Calendar 3.5.2