Testing Suspended

Testing of this plugin has been temporarily suspended due to an error. It will automatically resume when a new plugin version is released.

Gutenberg 11.8.2

Does Gutenberg work with WordPress 5.8.1 and PHP 7.4.8? A smoke test was performed on .


No PHP errors, warnings or notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Looks good! No problems were detected.

Memory usage: 635.04 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.255 seconds
The average page load time increased by this amount after activating the plugin.

WordPress version5.8.1
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 300,000+
WordPress.org page https://wordpress.org/plugins/gutenberg/

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Pages 4

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=gutenberg%2Fgutenberg.php&plugin_status=all&paged=1&s&_wpnonce=f42dfcafdc
Aspect after-activation
HTTP status 200
Load time 0.572 s
Memory usage 3.58 MiB
JS errors None
Resource errors None


Page screenshot: Gutenberg
URL /wp-admin/post-new.php?gutenberg-demo
Requested URL /wp-admin/admin.php?page=gutenberg
Aspect menu-item
HTTP status 200
Load time 2.318 s
Memory usage 6.45 MiB
JS errors None
Resource errors None

Gutenberg → Experiments

Page screenshot: Gutenberg → Experiments
URL /wp-admin/admin.php?page=gutenberg-experiments
Aspect menu-item
HTTP status 200
Load time 0.288 s
Memory usage 3.44 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
Aspect front-page
HTTP status 200
Load time 0.253 s
Memory usage 3.62 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.354 s0.419 s+0.065 s3.08 MiB3.59 MiB+ 519.16 KiB
/wp-admin/edit.php0.182 s0.318 s+0.136 s3.11 MiB3.62 MiB+ 519.73 KiB
/wp-admin/post-new.php0.938 s2.127 s+1.189 s5.27 MiB6.44 MiB+ 1.17 MiB
/wp-admin/upload.php0.407 s0.599 s+0.192 s3.03 MiB3.47 MiB+ 451.14 KiB
/wp-admin/options-writing.php0.155 s0.214 s+0.059 s3.02 MiB3.45 MiB+ 436.56 KiB
/wp-admin/media-new.php0.423 s0.289 s-0.134 s3.01 MiB3.45 MiB+ 452.93 KiB
/wp-admin/edit-tags.php?taxonomy=category0.190 s0.278 s+0.088 s3.04 MiB3.54 MiB+ 517.1 KiB
/wp-admin/post-new.php?post_type=page0.958 s1.884 s+0.926 s5.26 MiB6.42 MiB+ 1.16 MiB
/wp-admin/options-discussion.php0.228 s0.408 s+0.180 s3 MiB3.45 MiB+ 453.07 KiB
/wp-admin/edit-comments.php0.212 s0.293 s+0.081 s3.04 MiB3.55 MiB+ 517.69 KiB
/0.296 s0.316 s+0.020 s2.91 MiB3.62 MiB+ 729.72 KiB
Average 0.395 s0.650 s+0.255 s3.43 MiB4.05 MiB+ 635.04 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.

Language % Lines of code Comment lines Files
Total 180,356 61,270 509

PHP Code Analysis | More results »

Lines of code 14,327
Total complexity 2,723
Median class complexity 24.0
Median method complexity 2.0
Most complex class WP_Theme_JSON_Gutenberg
Most complex function WP_REST_Menu_Items_Controller::prepare_item_for_database()
Classes 22
Methods 217
Functions 375


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 1

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide Gutenberg Admin Menus