Related Posts Thumbnails 4.3.1

Does Related Posts Thumbnails work with WordPress 6.8.3 and PHP 8.1.12? A smoke test was performed on .

Summary

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

Memory usage: 51.56 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.

Environment
WordPress version6.8.3
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 30,000+
WordPress.org page https://wordpress.org/plugins/related-posts-thumbnails/
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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=related-posts-thumbnails%2Frelated-posts-thumbnails.php&plugin_status=all&paged=1&s&_wpnonce=1f385a1bfb
Aspect after-activation
HTTP status 200
Load time 0.282 s
Memory usage 3.61 MiB
JS errors None
Resource errors None

Related Posts

Page screenshot: Related Posts
URL /wp-admin/admin.php?page=rpt-optin&redirect-page=related-posts-thumbnails
Requested URL /wp-admin/admin.php?page=related-posts-thumbnails
Aspect menu-item
HTTP status 200
Load time 0.190 s
Memory usage 3.54 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.215 s
Memory usage 3.48 MiB
JS errors None
Resource errors None

Widgets ‹ Test site — WordPress

Page screenshot: Widgets ‹ Test site — WordPress
URL /wp-admin/widgets.php
Aspect new-sidebar-widgets
HTTP status 200
Load time 1.602 s
Memory usage 5.8 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.405 s0.347 s-0.058 s3.51 MiB3.56 MiB+ 56.09 KiB
/wp-admin/edit.php0.206 s0.202 s-0.004 s3.57 MiB3.63 MiB+ 58.48 KiB
/wp-admin/post-new.php0.823 s0.695 s-0.128 s6.06 MiB6.12 MiB+ 60.59 KiB
/wp-admin/upload.php0.704 s0.468 s-0.236 s3.52 MiB3.56 MiB+ 41.08 KiB
/wp-admin/options-writing.php0.249 s0.185 s-0.064 s3.5 MiB3.55 MiB+ 45.07 KiB
/wp-admin/media-new.php0.312 s0.205 s-0.107 s3.49 MiB3.54 MiB+ 53.27 KiB
/wp-admin/edit-tags.php?taxonomy=category0.216 s0.182 s-0.034 s3.5 MiB3.57 MiB+ 63.94 KiB
/wp-admin/post-new.php?post_type=page0.812 s0.648 s-0.164 s6.05 MiB6.11 MiB+ 56.11 KiB
/wp-admin/options-discussion.php0.262 s0.305 s+0.043 s3.5 MiB3.54 MiB+ 41.52 KiB
/wp-admin/edit-comments.php0.427 s0.183 s-0.244 s3.52 MiB3.56 MiB+ 41.02 KiB
/0.306 s0.173 s-0.133 s3.43 MiB3.48 MiB+ 49.98 KiB
Average 0.429 s0.327 s-0.103 s3.97 MiB4.02 MiB+ 51.56 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.

PHP
CSS
PO File
JavaScript
Language % Lines of code Comment lines Files
PHP57.5%4,86274416
CSS23.0%1,945424
PO File10.2%8662,0166
JavaScript8.1%6853194
SVG1.1%9703
Total 8,455 3,121 33

PHP Code Analysis | More results »

Lines of code 2,322
Total complexity 404
Median class complexity 8.0
Median method complexity 2.0
Most complex class RelatedPostsThumbnails
Most complex function RelatedPostsThumbnails::get_thumbnails()
Classes 5
Methods 61
Functions 19

Additions

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 4

Sidebar Widgets 1

ID Name
relatedpoststhumbnailswidgetRelated Posts Thumbnails

PHP Error Log 1 lines

[01-Oct-2025 03:53:54 UTC] PHP Notice:  Function wp_enqueue_script() was called <strong>incorrectly</strong>. "wp-editor" script should not be enqueued together with the new widgets editor (wp-edit-widgets or wp-customize-widgets). Please see <a href="https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/">Debugging in WordPress</a> for more information. (This message was added in version 5.8.0.) in /wp-includes/functions.php on line 6121
See also: All tests for this plugin, How to Hide the "Related Posts" Admin Menu