Report - WordPress vertical Thumbnail Slider 1.2.19

Does "WordPress vertical Thumbnail Slider" work with WordPress 6.8.2 and PHP 8.1.12? A smoke test was performed on 2025-07-18 02:24:48 UTC.

Summary

Errors

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

Performance

Memory usage: 37.03 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 version	6.8.2
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2025-05-26T12:16:00+00:00
Active installs	1,000+
WordPress.org page	https://wordpress.org/plugins/wp-vertical-image-slider/
Badges	Get badge code

Pages 5

Plugins ‹ Test site — WordPress

URL	/wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL	/wp-admin/plugins.php?action=activate&plugin=wp-vertical-image-slider%2Fwp-vertical-images-thumbnail-slider.php&plugin_status=all&paged=1&s&_wpnonce=5e2173fb98
Aspect	after-activation
HTTP status	200
Load time	0.282 s
Memory usage	3.56 MiB
JS errors	None
Resource errors	None

Vertical Thumbnail Slider

URL	/wp-admin/admin.php?page=vertical_thumbnail_slider
Aspect	menu-item
HTTP status	200
Load time	0.549 s
Memory usage	3.55 MiB
JS errors	None
Resource errors	None

Vertical Thumbnail Slider → Manage Images

URL	/wp-admin/admin.php?page=vertical_thumbnail_slider_image_management
Aspect	menu-item
HTTP status	200
Load time	0.314 s
Memory usage	3.55 MiB
JS errors	None
Resource errors	None

Vertical Thumbnail Slider → Preview Slider

URL	/wp-admin/admin.php?page=vertical_thumbnail_slider_preview
Aspect	menu-item
HTTP status	200
Load time	0.287 s
Memory usage	3.55 MiB
JS errors	[ { "message": "TypeError: Cannot read properties of undefined (reading 'offsetHeight')\n at height (/wp-content/plugins/wp-vertical-image-slider/js/images-vertical-thumbnail-slider-jc.js?ver=6.8.2:429:18)\n at HTMLDivElement.<anonymous> (/wp-content/plugins/wp-vertical-image-slider/js/images-vertical-thumbnail-slider-jc.js?ver=6.8.2:312:35)\n at Function.each (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.2:2:3129)\n at e.<computed>.each (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,utils,moxiejs,plupload&ver=6.8.2:2:1594)\n at e.<computed>.$.fn.jCarouselLite (/wp-content/plugins/wp-vertical-image-slider/js/images-vertical-thumbnail-slider-jc.js?ver=6.8.2:226:17)\n at /wp-admin/admin.php?page=vertical_thumbnail_slider_preview:200:58", "trace": null, "code": null } ]
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.186 s
Memory usage	3.47 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.367 s	0.283 s	-0.084 s	3.51 MiB	3.55 MiB	+ 49.32 KiB
/wp-admin/edit.php	0.217 s	0.192 s	-0.025 s	3.57 MiB	3.61 MiB	+ 41.25 KiB
/wp-admin/post-new.php	0.756 s	0.709 s	-0.047 s	6.06 MiB	6.11 MiB	+ 51.14 KiB
/wp-admin/upload.php	0.781 s	0.484 s	-0.297 s	3.52 MiB	3.55 MiB	+ 23.84 KiB
/wp-admin/options-writing.php	0.207 s	0.203 s	-0.004 s	3.5 MiB	3.53 MiB	+ 27.84 KiB
/wp-admin/media-new.php	0.277 s	0.197 s	-0.080 s	3.49 MiB	3.53 MiB	+ 36.03 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.274 s	0.178 s	-0.096 s	3.5 MiB	3.55 MiB	+ 46.7 KiB
/wp-admin/post-new.php?post_type=page	0.604 s	0.603 s	-0.001 s	6.05 MiB	6.1 MiB	+ 46.66 KiB
/wp-admin/options-discussion.php	0.439 s	0.395 s	-0.044 s	3.5 MiB	3.53 MiB	+ 24.34 KiB
/wp-admin/edit-comments.php	0.213 s	0.404 s	+0.191 s	3.52 MiB	3.55 MiB	+ 23.84 KiB
/	0.302 s	0.218 s	-0.084 s	3.43 MiB	3.47 MiB	+ 36.41 KiB
Average	0.403 s	0.351 s	-0.052 s	3.97 MiB	4.01 MiB	+ 37.03 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

JavaScript

CSS

Language		%	Lines of code	Comment lines	Files
	PHP	58.2%	2,086	53	1
	JavaScript	32.3%	1,160	707	2
	CSS	9.5%	341	66	3
Total			3,587	826	6

PHP Code Analysis | More results »

Lines of code	2,378
Total complexity	227
Median class complexity	0.0
Median method complexity	0.0
Most complex class	—
Most complex function	vertical_thumbnail_image_management()

Classes	0
Methods	0
Functions	21

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.

Database Tables 1

wp_vertical_thumbnail_slider

Options `wp_options` 2

vertical_thumbnail_slider_messages
vertical_thumbnail_slider_settings

Capabilities 6

vts_vertical_thumbnail_slider_settings
vts_vertical_thumbnail_slider_view_images
vts_vertical_thumbnail_slider_add_image
vts_vertical_thumbnail_slider_edit_image
vts_vertical_thumbnail_slider_delete_image
vts_vertical_thumbnail_slider_preview

PHP Error Log

The log file is empty.

WordPress vertical Thumbnail Slider 1.2.19