Share Buttons by AddThis 6.2.7

Does Share Buttons by AddThis work with WordPress 6.8.2 and PHP 8.1.12? A smoke test was performed on .

Summary

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

Memory usage: 182.63 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 version6.8.2
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 100,000+
WordPress.org page https://wordpress.org/plugins/addthis/
Badges

WordPress compatibility badge PHP compatibility badge

Get badge code

Pages 8

Plugins ‹ Test site — WordPress

Page screenshot: 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=00f70e52f4
Aspect after-activation
HTTP status 200
Load time 0.591 s
Memory usage 3.71 MiB
JS errors None
Resource errors None

AddThis

Page screenshot: 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 0.533 s
Memory usage 3.67 MiB
JS errors None
Resource errors
[
    {
        "status": null,
        "statusText": null,
        "url": "https://s7.addthis.com/js/300/addthis_widget.js?ver=6.8.2",
        "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

Page screenshot: AddThis → Advanced Settings
URL /wp-admin/admin.php?page=addthis_advanced_settings#/advanced
Requested URL /wp-admin/admin.php?page=addthis_advanced_settings
Aspect menu-item
HTTP status 200
Load time 0.279 s
Memory usage 3.67 MiB
JS errors None
Resource errors
[
    {
        "status": null,
        "statusText": null,
        "url": "https://s7.addthis.com/js/300/addthis_widget.js?ver=6.8.2",
        "errorString": "net::ERR_NAME_NOT_RESOLVED"
    }
]

AddThis → Share Buttons

Page screenshot: AddThis → Share Buttons
URL /wp-admin/admin.php?page=addthis_sharing_buttons#/tools
Requested URL /wp-admin/admin.php?page=addthis_sharing_buttons
Aspect menu-item
HTTP status 200
Load time 0.236 s
Memory usage 3.67 MiB
JS errors None
Resource errors
[
    {
        "status": null,
        "statusText": null,
        "url": "https://s7.addthis.com/js/300/addthis_widget.js?ver=6.8.2",
        "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

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.194 s
Memory usage 3.52 MiB
JS errors None
Resource errors
[
    {
        "status": null,
        "statusText": null,
        "url": "https://s7.addthis.com/js/300/addthis_widget.js?ver=6.8.2",
        "errorString": "net::ERR_NAME_NOT_RESOLVED"
    }
]

Add Post ‹ Test site — WordPress

Page screenshot: Add Post ‹ Test site — WordPress
URL /wp-admin/post-new.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.694 s
Memory usage 6.31 MiB
JS errors None
Resource errors None

Add Page ‹ Test site — WordPress

Page screenshot: Add Page ‹ Test site — WordPress
URL /wp-admin/post-new.php?post_type=page
Aspect new-meta-boxes
HTTP status 200
Load time 0.663 s
Memory usage 6.23 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 1.629 s
Memory usage 6 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.364 s0.323 s-0.041 s3.51 MiB3.69 MiB+ 192.4 KiB
/wp-admin/edit.php0.221 s0.209 s-0.012 s3.57 MiB3.76 MiB+ 191.64 KiB
/wp-admin/post-new.php0.875 s1.165 s+0.290 s6.06 MiB6.31 MiB+ 258.38 KiB
/wp-admin/upload.php0.809 s0.545 s-0.264 s3.52 MiB3.69 MiB+ 174.55 KiB
/wp-admin/options-writing.php0.245 s0.208 s-0.037 s3.5 MiB3.67 MiB+ 178.23 KiB
/wp-admin/media-new.php0.293 s0.246 s-0.047 s3.49 MiB3.67 MiB+ 186.42 KiB
/wp-admin/edit-tags.php?taxonomy=category0.207 s0.206 s-0.001 s3.5 MiB3.7 MiB+ 197.09 KiB
/wp-admin/post-new.php?post_type=page0.798 s0.627 s-0.171 s6.05 MiB6.23 MiB+ 189.9 KiB
/wp-admin/options-discussion.php0.306 s0.320 s+0.014 s3.5 MiB3.67 MiB+ 174.73 KiB
/wp-admin/edit-comments.php0.450 s0.484 s+0.034 s3.52 MiB3.69 MiB+ 174.23 KiB
/0.323 s0.250 s-0.073 s3.43 MiB3.52 MiB+ 91.34 KiB
Average 0.445 s0.417 s-0.028 s3.97 MiB4.15 MiB+ 182.63 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
JavaScript31.6%8,7271,13584
PHP22.7%6,2863,34832
HTML22.4%6,192106109
PO File9.7%2,6711,0312
CSS6.0%1,64628715
JSON4.7%1,29804
SVG1.4%39208
Markdown1.3%35203
XML0.3%7312
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

Sidebar Widgets 2

ID Name
addthis_tool_by_class_name_widgetAddThis Tool
addthis_global_options_widgetAddThis Script

Meta Boxes

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

PHP Error Log 5 lines

[15-Jul-2025 19:27:13 UTC] PHP Warning:  Undefined array key "cms_version" in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 203
[15-Jul-2025 19:27:13 UTC] PHP Warning:  Undefined array key "php_version" in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 207
[15-Jul-2025 19:27:38 UTC] PHP Warning:  Undefined array key "cms_version" in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 237
[15-Jul-2025 19:27:38 UTC] PHP Warning:  Undefined array key "php_version" in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 241
[15-Jul-2025 19:27:38 UTC] PHP Warning:  Undefined property: AddThisRegistrationFeature::$globalLayersJsonField in /wp-content/plugins/addthis/backend/AddThisPlugin.php on line 264
See also: All tests for this plugin, How to Hide Share Buttons by AddThis Admin Menus and Meta Boxes