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 11.4.0

Does Gutenberg work with WordPress 5.8 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: 533.1 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.299 seconds
The average page load time increased by this amount after activating the plugin.

WordPress version5.8
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=ea24c01553
Aspect after-activation
HTTP status 200
Load time 0.428 s
Memory usage 3.52 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 2.152 s
Memory usage 6.25 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 0.390 s
Memory usage 3.39 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 0.356 s
Memory usage 3.34 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.277 s0.389 s+0.112 s3.08 MiB3.54 MiB+ 466.01 KiB
/wp-admin/edit.php0.157 s0.462 s+0.305 s3.11 MiB3.57 MiB+ 466.57 KiB
/wp-admin/post-new.php0.728 s1.794 s+1.066 s5.27 MiB6.23 MiB+ 991.38 KiB
/wp-admin/upload.php0.510 s0.630 s+0.120 s3.03 MiB3.42 MiB+ 397.98 KiB
/wp-admin/options-writing.php0.231 s0.227 s-0.004 s3.02 MiB3.4 MiB+ 383.41 KiB
/wp-admin/media-new.php0.247 s0.247 s+0.000 s3.01 MiB3.4 MiB+ 399.77 KiB
/wp-admin/edit-tags.php?taxonomy=category0.172 s0.238 s+0.066 s3.04 MiB3.49 MiB+ 463.95 KiB
/wp-admin/post-new.php?post_type=page0.709 s2.213 s+1.504 s5.26 MiB6.22 MiB+ 990.97 KiB
/wp-admin/options-discussion.php0.311 s0.382 s+0.071 s3 MiB3.39 MiB+ 399.91 KiB
/wp-admin/edit-comments.php0.301 s0.301 s+0.000 s3.04 MiB3.5 MiB+ 464.53 KiB
/0.293 s0.337 s+0.044 s2.91 MiB3.34 MiB+ 439.61 KiB
Average 0.358 s0.656 s+0.299 s3.43 MiB3.95 MiB+ 533.1 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 176,049 59,890 502

PHP Code Analysis | More results »

Lines of code 13,557
Total complexity 2,531
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 21
Methods 209
Functions 356


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