Gutenberg 17.1.3

Does Gutenberg work with WordPress 6.4.1 and PHP 8.1.12? 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: 1.65 MiB
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.

WordPress version6.4.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 300,000+ page

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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=a4a3d4795c
Aspect after-activation
HTTP status 200
Load time 0.649 s
Memory usage 5.04 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 1.801 s
Memory usage 7.44 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 0.398 s
Memory usage 4.92 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 0.241 s
Memory usage 4.85 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.406 s0.350 s-0.056 s3.38 MiB4.97 MiB+ 1.59 MiB
/wp-admin/edit.php0.237 s0.509 s+0.272 s3.41 MiB5 MiB+ 1.6 MiB
/wp-admin/post-new.php1.068 s0.914 s-0.154 s5.46 MiB7.37 MiB+ 1.92 MiB
/wp-admin/upload.php0.729 s0.456 s-0.273 s3.32 MiB4.94 MiB+ 1.61 MiB
/wp-admin/options-writing.php0.236 s0.281 s+0.045 s3.32 MiB4.92 MiB+ 1.6 MiB
/wp-admin/media-new.php0.328 s0.344 s+0.016 s3.29 MiB4.92 MiB+ 1.62 MiB
/wp-admin/edit-tags.php?taxonomy=category0.212 s0.219 s+0.007 s3.31 MiB4.93 MiB+ 1.62 MiB
/wp-admin/post-new.php?post_type=page0.624 s0.868 s+0.244 s5.45 MiB7.36 MiB+ 1.91 MiB
/wp-admin/options-discussion.php0.319 s0.309 s-0.010 s3.3 MiB4.92 MiB+ 1.62 MiB
/wp-admin/edit-comments.php0.271 s0.249 s-0.022 s3.33 MiB4.94 MiB+ 1.6 MiB
/0.294 s0.218 s-0.076 s3.36 MiB4.85 MiB+ 1.49 MiB
Average 0.429 s0.429 s-0.001 s3.72 MiB5.37 MiB+ 1.65 MiB

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 295,861 96,402 699

PHP Code Analysis | More results »

Lines of code 22,581
Total complexity 5,228
Median class complexity 13.0
Median method complexity 3.0
Most complex class WP_Theme_JSON_Gutenberg
Most complex function WP_HTML_Processor::is_special()
Classes 69
Methods 603
Functions 468


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