Responsive Lightbox & Gallery 2.5.4

Does Responsive Lightbox & Gallery work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
4PHP deprecation warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 643.18 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 version6.9
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 100,000+
WordPress.org page https://wordpress.org/plugins/responsive-lightbox/
Badges

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Pages 20

Welcome to Responsive Lightbox & Gallery ‹ Test site — WordPress

Page screenshot: Welcome to Responsive Lightbox & Gallery ‹ Test site — WordPress
URL /wp-admin/index.php?page=responsive-lightbox-about
Requested URL /wp-admin/plugins.php?action=activate&plugin=responsive-lightbox%2Fresponsive-lightbox.php&plugin_status=all&paged=1&s&_wpnonce=8db1a79a94
Aspect after-activation
HTTP status 200
Load time 0.591 s
Memory usage 4.34 MiB
JS errors None
Resource errors None

Gallery

Page screenshot: Gallery
URL /wp-admin/edit.php?post_type=rl_gallery
Aspect menu-item
HTTP status 200
Load time 5.533 s
Memory usage 4.5 MiB
JS errors None
Resource errors None

Gallery → Add New Gallery

Page screenshot: Gallery → Add New Gallery
URL /wp-admin/post-new.php?post_type=rl_gallery
Aspect menu-item
HTTP status 200
Load time 0.735 s
Memory usage 4.56 MiB
JS errors None
Resource errors None

Gallery → Add New Gallery → Config

Page screenshot: Gallery → Add New Gallery → Config
URL /wp-admin/post-new.php?post_type=rl_gallery
Aspect menu-item-tab
HTTP status 200
Load time 0.532 s
Memory usage 4.55 MiB
JS errors None
Resource errors None

Gallery → Add New Gallery → Design

Page screenshot: Gallery → Add New Gallery → Design
URL /wp-admin/post-new.php?post_type=rl_gallery
Aspect menu-item-tab
HTTP status 200
Load time 0.509 s
Memory usage 4.55 MiB
JS errors None
Resource errors None

Gallery → Add New Gallery → Paging

Page screenshot: Gallery → Add New Gallery → Paging
URL /wp-admin/post-new.php?post_type=rl_gallery
Aspect menu-item-tab
HTTP status 200
Load time 0.547 s
Memory usage 4.55 MiB
JS errors None
Resource errors None

Gallery → Add New Gallery → Lightbox

Page screenshot: Gallery → Add New Gallery → Lightbox
URL /wp-admin/post-new.php?post_type=rl_gallery
Aspect menu-item-tab
HTTP status 200
Load time 0.544 s
Memory usage 4.55 MiB
JS errors None
Resource errors None

Gallery → Add New Gallery → Misc

Page screenshot: Gallery → Add New Gallery → Misc
URL /wp-admin/post-new.php?post_type=rl_gallery
Aspect menu-item-tab
HTTP status 200
Load time 0.499 s
Memory usage 4.55 MiB
JS errors None
Resource errors None

Gallery → Categories

Page screenshot: Gallery → Categories
URL /wp-admin/edit-tags.php?taxonomy=rl_category&post_type=rl_gallery
Aspect menu-item
HTTP status 200
Load time 0.440 s
Memory usage 4.35 MiB
JS errors None
Resource errors None

Gallery → Tags

Page screenshot: Gallery → Tags
URL /wp-admin/edit-tags.php?taxonomy=rl_tag&post_type=rl_gallery
Aspect menu-item
HTTP status 200
Load time 0.297 s
Memory usage 4.35 MiB
JS errors None
Resource errors None

Lightbox

Page screenshot: Lightbox
URL /wp-admin/admin.php?page=responsive-lightbox-settings
Aspect menu-item
HTTP status 200
Load time 0.510 s
Memory usage 4.34 MiB
JS errors None
Resource errors None

Lightbox → Lightboxes

Page screenshot: Lightbox → Lightboxes
URL /wp-admin/admin.php?page=responsive-lightbox-configuration
Aspect menu-item
HTTP status 200
Load time 0.320 s
Memory usage 4.34 MiB
JS errors None
Resource errors None

Lightbox → Galleries

Page screenshot: Lightbox → Galleries
URL /wp-admin/admin.php?page=responsive-lightbox-gallery
Aspect menu-item
HTTP status 200
Load time 0.288 s
Memory usage 4.33 MiB
JS errors None
Resource errors None

Lightbox → Builder

Page screenshot: Lightbox → Builder
URL /wp-admin/admin.php?page=responsive-lightbox-builder
Aspect menu-item
HTTP status 200
Load time 0.326 s
Memory usage 4.34 MiB
JS errors None
Resource errors None

Lightbox → Folders

Page screenshot: Lightbox → Folders
URL /wp-admin/admin.php?page=responsive-lightbox-folders
Aspect menu-item
HTTP status 200
Load time 0.300 s
Memory usage 4.34 MiB
JS errors None
Resource errors None

Lightbox → Capabilities

Page screenshot: Lightbox → Capabilities
URL /wp-admin/admin.php?page=responsive-lightbox-capabilities
Aspect menu-item
HTTP status 200
Load time 0.328 s
Memory usage 4.34 MiB
JS errors None
Resource errors None

Lightbox → Remote Library

Page screenshot: Lightbox → Remote Library
URL /wp-admin/admin.php?page=responsive-lightbox-remote_library
Aspect menu-item
HTTP status 200
Load time 0.294 s
Memory usage 4.34 MiB
JS errors None
Resource errors None

Lightbox → Add-ons

Page screenshot: Lightbox → Add-ons
URL /wp-admin/admin.php?page=responsive-lightbox-addons
Aspect menu-item
HTTP status 200
Load time 2.151 s
Memory usage 4.34 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 0.298 s
Memory usage 4.48 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 1.088 s
Memory usage 6.73 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.492 s0.475 s-0.017 s3.78 MiB4.41 MiB+ 652.8 KiB
/wp-admin/edit.php0.377 s0.326 s-0.051 s3.78 MiB4.47 MiB+ 699.67 KiB
/wp-admin/post-new.php0.824 s0.923 s+0.099 s6.31 MiB7.01 MiB+ 716.8 KiB
/wp-admin/upload.php0.467 s0.618 s+0.151 s3.74 MiB4.39 MiB+ 666.91 KiB
/wp-admin/options-writing.php0.352 s0.351 s-0.001 s3.71 MiB4.34 MiB+ 643.41 KiB
/wp-admin/media-new.php0.517 s0.500 s-0.017 s3.7 MiB4.37 MiB+ 677.87 KiB
/wp-admin/edit-tags.php?taxonomy=category0.332 s0.306 s-0.026 s3.72 MiB4.36 MiB+ 654.43 KiB
/wp-admin/post-new.php?post_type=page0.725 s0.717 s-0.008 s6.3 MiB6.99 MiB+ 711.64 KiB
/wp-admin/options-discussion.php0.336 s0.403 s+0.067 s3.71 MiB4.34 MiB+ 639.91 KiB
/wp-admin/edit-comments.php0.327 s0.343 s+0.016 s3.74 MiB4.36 MiB+ 639.41 KiB
/0.297 s0.226 s-0.071 s4.12 MiB4.48 MiB+ 372.11 KiB
Average 0.459 s0.472 s+0.013 s4.24 MiB4.86 MiB+ 643.18 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.

JavaScript
PHP
CSS
Language % Lines of code Comment lines Files
JavaScript55.6%22,4105,47326
PHP28.6%11,5073,59217
CSS13.0%5,22716719
Markdown2.7%1,094012
SVG0.1%2802
XML0.0%1301
Total 40,279 9,232 77

PHP Code Analysis | More results »

Lines of code 11,612
Total complexity 2,767
Median class complexity 49.0
Median method complexity 5.0
Most complex class Responsive_Lightbox_Galleries
Most complex function Responsive_Lightbox_Galleries::get_gallery_images()
Classes 17
Methods 295
Functions 12

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 10

Custom Post Types 1

ID Name
rl_galleryGalleries

Sidebar Widgets 2

ID Name
responsive_lightbox_gallery_widgetGallery
responsive_lightbox_image_widgetImage

PHP Error Log 4 lines

[02-Dec-2025 23:11:29 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:11:29 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:11:38 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
[02-Dec-2025 23:11:38 UTC] PHP Deprecated:  Function WP_Dependencies-&gt;add_data() was called with an argument that is <strong>deprecated</strong> since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wp-includes/functions.php on line 6131
See also: All tests for this plugin, How to Hide Responsive Lightbox & Gallery Admin Menus