Gutenberg 14.6.1

Does Gutenberg work with WordPress 6.1.1 and PHP 8.1.12? A smoke test was performed on .


No PHP errors, warnings or notices
1JavaScript exceptions
All test pages loaded successfully
1Resource error (CSS, JS, images, fonts and so on.)
  • 1 net::ERR_FAILED

Memory usage: 883.99 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.028 seconds
The average page load time increased by this amount after activating the plugin.

WordPress version6.1.1
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=dbda71e8b9
Aspect after-activation
HTTP status 200
Load time 0.374 s
Memory usage 3.73 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 1.557 s
Memory usage 6.64 MiB
JS errors
        "message": "Error: FastAverageColor: Error loading image \"\".\n    at Rl (/wp-content/plugins/gutenberg/build/block-library/index.min.js?ver=90e7dd53df08341ccb1b:28:23754)\n    at Image.l (/wp-content/plugins/gutenberg/build/block-library/index.min.js?ver=90e7dd53df08341ccb1b:28:26977)",
        "trace": null,
        "code": null
Resource errors
        "status": null,
        "statusText": null,
        "url": "",
        "errorString": "net::ERR_FAILED"

Gutenberg → Experiments

Page screenshot: Gutenberg → Experiments
URL /wp-admin/admin.php?page=gutenberg-experiments
Aspect menu-item
HTTP status 200
Load time 0.260 s
Memory usage 3.61 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 0.231 s
Memory usage 3.92 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.283 s0.435 s+0.152 s3.05 MiB3.69 MiB+ 660.31 KiB
/wp-admin/edit.php0.180 s0.209 s+0.029 s3.07 MiB3.73 MiB+ 666.92 KiB
/wp-admin/post-new.php0.776 s0.872 s+0.096 s4.97 MiB6.63 MiB+ 1.66 MiB
/wp-admin/upload.php0.543 s0.326 s-0.217 s2.99 MiB3.63 MiB+ 656.88 KiB
/wp-admin/options-writing.php0.168 s0.149 s-0.019 s2.99 MiB3.62 MiB+ 642.17 KiB
/wp-admin/media-new.php0.264 s0.266 s+0.002 s2.97 MiB3.62 MiB+ 669.87 KiB
/wp-admin/edit-tags.php?taxonomy=category0.187 s0.196 s+0.009 s2.98 MiB3.66 MiB+ 692.54 KiB
/wp-admin/post-new.php?post_type=page0.621 s0.877 s+0.256 s4.96 MiB6.62 MiB+ 1.66 MiB
/wp-admin/options-discussion.php0.206 s0.258 s+0.052 s2.97 MiB3.62 MiB+ 656.63 KiB
/wp-admin/edit-comments.php0.202 s0.210 s+0.008 s3 MiB3.66 MiB+ 676.45 KiB
/0.273 s0.214 s-0.059 s2.94 MiB3.92 MiB+ 1002.7 KiB
Average 0.337 s0.365 s+0.028 s3.35 MiB4.22 MiB+ 883.99 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 214,666 69,504 620

PHP Code Analysis | More results »

Lines of code 15,079
Total complexity 3,309
Median class complexity 13.0
Median method complexity 3.0
Most complex class WP_Theme_JSON_6_1
Most complex function gutenberg_render_block_core_navigation()
Classes 33
Methods 178
Functions 386


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