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Cookiebot by Usercentrics - Automatic Cookie Banner for GDPR/CCPA & Google Consent Mode 4.6.3

Does "Cookiebot by Usercentrics - Automatic Cookie Banner for GDPR/CCPA & Google Consent Mode" work with WordPress 6.9.1 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
14Unrecognized messages in the PHP error log
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 176.68 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 version6.9.1
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/cookiebot/
Badges

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Pages 7

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=cookiebot%2Fcookiebot.php&plugin_status=all&paged=1&s&_wpnonce=3b085f94d3
Aspect after-activation
HTTP status 200
Load time 0.713 s
Memory usage 3.91 MiB
JS errors None
Resource errors None

Cookiebot

Page screenshot: Cookiebot
URL /wp-admin/admin.php?page=cookiebot
Aspect menu-item
HTTP status 200
Load time 1.569 s
Memory usage 3.87 MiB
JS errors None
Resource errors None

Cookiebot → Support

Page screenshot: Cookiebot → Support
URL /wp-admin/admin.php?page=cookiebot_support
Aspect menu-item
HTTP status 200
Load time 0.651 s
Memory usage 3.87 MiB
JS errors None
Resource errors None

Cookiebot → Settings

Page screenshot: Cookiebot → Settings
URL /wp-admin/admin.php?page=cookiebot_settings
Aspect menu-item
HTTP status 200
Load time 0.549 s
Memory usage 3.87 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 0.298 s
Memory usage 4.22 MiB
JS errors None
Resource errors None

Dashboard ‹ Test site — WordPress

Page screenshot: Dashboard ‹ Test site — WordPress
URL /wp-admin/index.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.341 s
Memory usage 3.96 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 1.307 s
Memory usage 6.2 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.510 s0.684 s+0.174 s3.78 MiB3.96 MiB+ 184.27 KiB
/wp-admin/edit.php0.355 s0.315 s-0.040 s3.78 MiB4 MiB+ 226.77 KiB
/wp-admin/post-new.php0.851 s0.966 s+0.115 s6.31 MiB6.54 MiB+ 243.95 KiB
/wp-admin/upload.php0.627 s0.411 s-0.216 s3.74 MiB3.89 MiB+ 155.64 KiB
/wp-admin/options-writing.php0.319 s0.401 s+0.082 s3.71 MiB3.87 MiB+ 165.45 KiB
/wp-admin/media-new.php0.465 s0.370 s-0.095 s3.7 MiB3.87 MiB+ 173.64 KiB
/wp-admin/edit-tags.php?taxonomy=category0.458 s0.319 s-0.139 s3.72 MiB3.9 MiB+ 184 KiB
/wp-admin/post-new.php?post_type=page0.705 s0.741 s+0.036 s6.3 MiB6.47 MiB+ 173.43 KiB
/wp-admin/options-discussion.php0.341 s0.377 s+0.036 s3.71 MiB3.87 MiB+ 161.63 KiB
/wp-admin/edit-comments.php0.320 s0.453 s+0.133 s3.73 MiB3.89 MiB+ 161.45 KiB
/0.273 s0.248 s-0.025 s4.11 MiB4.22 MiB+ 113.25 KiB
Average 0.475 s0.480 s+0.006 s4.23 MiB4.41 MiB+ 176.68 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.

PO File
PHP
CSS
Language % Lines of code Comment lines Files
PO File42.7%15,29310,34010
PHP39.9%14,2893,714212
CSS9.5%3,4153113
JavaScript5.8%2,07318517
SVG1.0%347029
Markdown0.9%33206
JSON0.1%3002
YAML0.1%1801
Total 35,797 14,270 290

PHP Code Analysis | More results »

Lines of code 9,072
Total complexity 1,350
Median class complexity 3.0
Median method complexity 1.0
Most complex class cybot\cookiebot\lib\Cookiebot_WP
Most complex function cybot\cookiebot\settings\pages\Dashboard_Page::display()
Classes 135
Methods 514
Functions 28

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 14

Sidebar Widgets 1

ID Name
cookiebot_declaration_widgetCookiebot - Cookie Declaration

Meta Boxes 

{
    "dashboard": {
        "cookiebot_status": {
            "title": "Cookiebot Status",
            "context": "normal"
        }
    }
}

PHP Error Log 14 lines

[03-Feb-2026 21:02:38 UTC] [Cookiebot] Raw data is empty
[03-Feb-2026 21:02:38 UTC] [Cookiebot] is_trial_expired: No user data found
[03-Feb-2026 21:02:38 UTC] [Cookiebot] get_trial_days_left: No user data found
[03-Feb-2026 21:02:38 UTC] [Cookiebot] is_trial_expired: No user data found
[03-Feb-2026 21:02:38 UTC] [Cookiebot] get_trial_days_left: No user data found
[03-Feb-2026 21:02:38 UTC] [Cookiebot] is_in_trial: No user data or subscription status found
[03-Feb-2026 21:02:41 UTC] [Cookiebot] get_trial_days_left: No user data found
[03-Feb-2026 21:02:41 UTC] [Cookiebot] is_trial_expired: No user data found
[03-Feb-2026 21:02:41 UTC] [Cookiebot] get_trial_days_left: No user data found
[03-Feb-2026 21:02:41 UTC] [Cookiebot] is_in_trial: No user data or subscription status found
[03-Feb-2026 21:02:43 UTC] [Cookiebot] get_trial_days_left: No user data found
[03-Feb-2026 21:02:43 UTC] [Cookiebot] is_trial_expired: No user data found
[03-Feb-2026 21:02:43 UTC] [Cookiebot] get_trial_days_left: No user data found
[03-Feb-2026 21:02:43 UTC] [Cookiebot] is_in_trial: No user data or subscription status found
See also: All tests for this plugin, How to Hide Cookiebot by Usercentrics - Automatic Cookie Banner for GDPR/CCPA & Google Consent Mode Admin Menus and Widgets