Gutenberg 14.5.1

Does Gutenberg work with WordPress 6.1.1 and PHP 7.4.8? 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: 942.16 KiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.091 seconds
The average page load time increased by this amount after activating the plugin.

WordPress version6.1.1
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
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=d3668cedc2
Aspect after-activation
HTTP status 200
Load time 0.411 s
Memory usage 4.27 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 2.080 s
Memory usage 7.17 MiB
JS errors
        "message": "Error: FastAverageColor: Error loading image \"\".\n    at Rl (/wp-content/plugins/gutenberg/build/block-library/index.min.js?ver=9f1fd5487c90624da227:28:23754)\n    at Image.l (/wp-content/plugins/gutenberg/build/block-library/index.min.js?ver=9f1fd5487c90624da227:28:26977)",
        "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 0.284 s
Memory usage 4.13 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 0.264 s
Memory usage 4.37 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.289 s0.340 s+0.051 s3.54 MiB4.22 MiB+ 696.71 KiB
/wp-admin/edit.php0.189 s0.213 s+0.024 s3.57 MiB4.32 MiB+ 767.34 KiB
/wp-admin/post-new.php0.888 s1.782 s+0.894 s5.46 MiB7.15 MiB+ 1.69 MiB
/wp-admin/upload.php0.773 s0.346 s-0.427 s3.41 MiB4.16 MiB+ 772.31 KiB
/wp-admin/options-writing.php0.233 s0.157 s-0.076 s3.4 MiB4.14 MiB+ 752.8 KiB
/wp-admin/media-new.php0.245 s0.236 s-0.009 s3.38 MiB4.14 MiB+ 773.27 KiB
/wp-admin/edit-tags.php?taxonomy=category0.190 s0.191 s+0.001 s3.48 MiB4.19 MiB+ 727.02 KiB
/wp-admin/post-new.php?post_type=page1.002 s1.525 s+0.523 s5.46 MiB7.14 MiB+ 1.68 MiB
/wp-admin/options-discussion.php0.211 s0.308 s+0.097 s3.38 MiB4.14 MiB+ 772.05 KiB
/wp-admin/edit-comments.php0.206 s0.250 s+0.044 s3.48 MiB4.19 MiB+ 727.21 KiB
/0.346 s0.230 s-0.116 s3.46 MiB4.37 MiB+ 922.49 KiB
Average 0.416 s0.507 s+0.091 s3.82 MiB4.74 MiB+ 942.16 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 212,574 68,909 619

PHP Code Analysis | More results »

Lines of code 14,742
Total complexity 3,279
Median class complexity 15.0
Median method complexity 3.0
Most complex class WP_Theme_JSON_6_1
Most complex function gutenberg_render_block_core_navigation()
Classes 31
Methods 177
Functions 384


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

User Metadata wp_usermeta 1

PHP Error Log

The log file is empty.

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