Report - Share Buttons by AddThis 6.2.7

Does Share Buttons by AddThis work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-02 23:11:25 UTC.

Summary

Errors

5	PHP warnings
4	PHP deprecation warnings
	No JavaScript exceptions
	All test pages loaded successfully
7	Resource errors (CSS, JS, images, fonts and so on.) 4 net::ERR_NAME_NOT_RESOLVED 3 net::ERR_FAILED

Performance

Memory usage: 193.28 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	6.9
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2022-05-02T21:52:00+00:00
Active installs	100,000+
WordPress.org page	https://wordpress.org/plugins/addthis/
Badges	Get badge code

Pages 8

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=addthis%2Faddthis_social_widget.php&plugin_status=all&paged=1&s&_wpnonce=f6fb8f9ffd
Aspect	after-activation
HTTP status	200
Load time	0.636 s
Memory usage	3.92 MiB
JS errors	None
Resource errors	None

AddThis

URL	/wp-admin/admin.php?page=addthis_registration#/registration
Requested URL	/wp-admin/admin.php?page=addthis_registration
Aspect	menu-item
HTTP status	200
Load time	0.647 s
Memory usage	3.89 MiB
JS errors	None
Resource errors	`[ { "status": null, "statusText": null, "url": "https://s7.addthis.com/js/300/addthis_widget.js?ver=6.9", "errorString": "net::ERR_NAME_NOT_RESOLVED" }, { "status": null, "statusText": null, "url": "https://www.addthis.com/darkseid/test/ping", "errorString": "net::ERR_FAILED" }, { "status": null, "statusText": null, "url": "https://www.addthis.com/darkseid/plugins/wpp/v/6.2.7/site/", "errorString": "net::ERR_FAILED" } ]`

AddThis → Advanced Settings

URL	/wp-admin/admin.php?page=addthis_advanced_settings
Aspect	menu-item
HTTP status	200
Load time	0.339 s
Memory usage	3.89 MiB
JS errors	None
Resource errors	`[ { "status": null, "statusText": null, "url": "https://s7.addthis.com/js/300/addthis_widget.js?ver=6.9", "errorString": "net::ERR_NAME_NOT_RESOLVED" } ]`

AddThis → Share Buttons

URL	/wp-admin/admin.php?page=addthis_sharing_buttons
Aspect	menu-item
HTTP status	200
Load time	0.337 s
Memory usage	3.89 MiB
JS errors	None
Resource errors	`[ { "status": null, "statusText": null, "url": "https://s7.addthis.com/js/300/addthis_widget.js?ver=6.9", "errorString": "net::ERR_NAME_NOT_RESOLVED" }, { "status": null, "statusText": null, "url": "https://www.addthis.com/darkseid/test/ping", "errorString": "net::ERR_FAILED" } ]`

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.180 s
Memory usage	4.2 MiB
JS errors	None
Resource errors	`[ { "status": null, "statusText": null, "url": "https://s7.addthis.com/js/300/addthis_widget.js?ver=6.9", "errorString": "net::ERR_NAME_NOT_RESOLVED" } ]`

Add Post ‹ Test site — WordPress

URL	/wp-admin/post-new.php
Aspect	new-meta-boxes
HTTP status	200
Load time	0.749 s
Memory usage	6.56 MiB
JS errors	None
Resource errors	None

Add Page ‹ Test site — WordPress

URL	/wp-admin/post-new.php?post_type=page
Aspect	new-meta-boxes
HTTP status	200
Load time	0.615 s
Memory usage	6.54 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	1.055 s
Memory usage	6.34 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.474 s	0.344 s	-0.130 s	3.78 MiB	3.96 MiB	+ 193.83 KiB
/wp-admin/edit.php	0.369 s	0.399 s	+0.030 s	3.78 MiB	4.02 MiB	+ 239.29 KiB
/wp-admin/post-new.php	0.856 s	0.863 s	+0.007 s	6.31 MiB	6.56 MiB	+ 259.17 KiB
/wp-admin/upload.php	0.532 s	0.552 s	+0.020 s	3.74 MiB	3.91 MiB	+ 175.35 KiB
/wp-admin/options-writing.php	0.327 s	0.327 s	+0.000 s	3.71 MiB	3.89 MiB	+ 179.34 KiB
/wp-admin/media-new.php	0.499 s	0.497 s	-0.002 s	3.7 MiB	3.88 MiB	+ 187.54 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.310 s	0.358 s	+0.048 s	3.71 MiB	3.91 MiB	+ 197.9 KiB
/wp-admin/post-new.php?post_type=page	0.675 s	0.706 s	+0.031 s	6.3 MiB	6.54 MiB	+ 252.66 KiB
/wp-admin/options-discussion.php	0.337 s	0.324 s	-0.013 s	3.71 MiB	3.88 MiB	+ 175.53 KiB
/wp-admin/edit-comments.php	0.346 s	0.351 s	+0.005 s	3.73 MiB	3.9 MiB	+ 175.34 KiB
/	0.303 s	0.201 s	-0.102 s	4.12 MiB	4.2 MiB	+ 90.16 KiB
Average	0.457 s	0.447 s	-0.010 s	4.24 MiB	4.42 MiB	+ 193.28 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.

JavaScript

PHP

HTML

PO File

Language		%	Lines of code	Comment lines	Files
	JavaScript	31.6%	8,727	1,135	84
	PHP	22.7%	6,286	3,348	32
	HTML	22.4%	6,192	106	109
	PO File	9.7%	2,671	1,031	2
	CSS	6.0%	1,646	287	15
	JSON	4.7%	1,298	0	4
	SVG	1.4%	392	0	8
	Markdown	1.3%	352	0	3
	XML	0.3%	73	1	2
Total			27,637	5,908	259

PHP Code Analysis | More results »

Lines of code	6,284
Total complexity	1,299
Median class complexity	17.5
Median method complexity	3.0
Most complex class	AddThisFeature
Most complex function	AddThisSharingButtonsFeature::upgradeIterative4()

Classes	30
Methods	262
Functions	2

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` 6

addthis_follow_buttons_settings
addthis_recommended_content_settings
addthis_shared_settings
addthis_sharing_buttons_settings
widget_addthis_global_options_widget
widget_addthis_tool_by_class_name_widget

Sidebar Widgets 2

ID	Name
addthis_tool_by_class_name_widget	AddThis Tool
addthis_global_options_widget	AddThis Script

Meta Boxes

{
    "post": {
        "at_widget": {
            "title": "AddThis Tools",
            "context": "advanced"
        }
    },
    "page": {
        "at_widget": {
            "title": "AddThis Tools",
            "context": "advanced"
        }
    }
}

PHP Error Log 9 lines

[02-Dec-2025 23:11:44 UTC] PHP Warning:  Undefined array key "cms_version" in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 203
[02-Dec-2025 23:11:44 UTC] PHP Warning:  Undefined array key "php_version" in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 207
[02-Dec-2025 23:11:50 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:11:50 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:11:59 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:11:59 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:12:10 UTC] PHP Warning:  Undefined array key "cms_version" in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 237
[02-Dec-2025 23:12:10 UTC] PHP Warning:  Undefined array key "php_version" in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 241
[02-Dec-2025 23:12:10 UTC] PHP Warning:  Undefined property: AddThisRegistrationFeature::$globalLayersJsonField in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 264

Share Buttons by AddThis 6.2.7