Yoast Duplicate Post 4.0

Does Yoast Duplicate Post work with WordPress 5.6 and PHP 7.4.8? A smoke test was performed on .


1PHP notices
No JavaScript exceptions
All test pages loaded successfully
No resource errors

Memory usage: 135.44 KiB
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 version5.6
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 4,000,000+
WordPress.org page https://wordpress.org/plugins/duplicate-post/

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Pages 3

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=duplicate-post%2Fduplicate-post.php&plugin_status=all&paged=1&s&_wpnonce=fbd7287203
Aspect after-activation
HTTP status 200
Load time 0.573 s
Memory usage 2.89 MiB
JS errors None
Resource errors None

Settings → Duplicate Post

Page screenshot: Settings → Duplicate Post
URL /wp-admin/options-general.php?page=duplicatepost
Aspect menu-item
HTTP status 200
Load time 0.183 s
Memory usage 2.85 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 0.182 s
Memory usage 2.7 MiB
JS errors None
Resource errors None


URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.274 s0.296 s+0.022 s2.79 MiB2.94 MiB+ 146.59 KiB
/wp-admin/edit.php0.182 s0.226 s+0.044 s2.84 MiB2.97 MiB+ 135.49 KiB
/wp-admin/post-new.php0.844 s0.780 s-0.064 s4.93 MiB5.08 MiB+ 144.69 KiB
/wp-admin/upload.php0.480 s0.482 s+0.002 s2.67 MiB2.81 MiB+ 143.09 KiB
/wp-admin/options-writing.php0.165 s0.180 s+0.015 s2.68 MiB2.79 MiB+ 111.06 KiB
/wp-admin/media-new.php0.236 s0.187 s-0.049 s2.65 MiB2.79 MiB+ 143.88 KiB
/wp-admin/edit-tags.php?taxonomy=category0.183 s0.205 s+0.022 s2.68 MiB2.88 MiB+ 208.16 KiB
/wp-admin/post-new.php?post_type=page1.102 s0.594 s-0.508 s4.92 MiB5.06 MiB+ 139.65 KiB
/wp-admin/options-discussion.php0.314 s0.208 s-0.106 s2.65 MiB2.79 MiB+ 144.51 KiB
/wp-admin/edit-comments.php0.230 s0.213 s-0.017 s2.75 MiB2.89 MiB+ 143.07 KiB
/0.259 s0.209 s-0.050 s2.67 MiB2.7 MiB+ 29.61 KiB
Average 0.388 s0.325 s-0.063 s3.11 MiB3.24 MiB+ 135.44 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 3,885 2,426 43

PHP Code Analysis | More results »

Lines of code 3,531
Total complexity 724
Median class complexity 12.0
Median method complexity 2.0
Most complex class Yoast\WP\Duplicate_Post\Post_Duplicator
Most complex function duplicate_post_create_duplicate()
Classes 33
Methods 204
Functions 33


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 25

Capabilities 1

PHP Error Log 1 lines

[12-Jan-2021 08:47:47 UTC] PHP Notice:  Trying to get property 'base' of non-object in /wp-content/plugins/duplicate-post/src/ui/class-post-list.php on line 135
See also: All tests for this plugin, How to Hide the "Duplicate Post" Admin Menu