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WordPress vertical Thumbnail Slider 1.2.13

Does "WordPress vertical Thumbnail Slider" work with WordPress 5.5.1 and PHP 7.4.8? A smoke test was performed on .

Summary

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

Memory usage: 32.39 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 version5.5.1
PHP version7.4.8
MySQL version8.0.21
PHP memory limit256M
Plugin Info
Last updated
Active installs 1,000+
WordPress.org page https://wordpress.org/plugins/wp-vertical-image-slider/
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Pages 5

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=wp-vertical-image-slider%2Fwp-vertical-images-thumbnail-slider.php&plugin_status=all&paged=1&s&_wpnonce=1b665ced6b
Aspect after-activation
HTTP status 200
Load time 0.518 s
Memory usage 2.68 MiB
JS errors None
Resource errors None

Vertical Thumbnail Slider

Page screenshot: Vertical Thumbnail Slider
URL /wp-admin/admin.php?page=vertical_thumbnail_slider
Aspect menu-item
HTTP status 200
Load time 0.597 s
Memory usage 2.65 MiB
JS errors None
Resource errors None

Vertical Thumbnail Slider → Manage Images

Page screenshot: Vertical Thumbnail Slider → Manage Images
URL /wp-admin/admin.php?page=vertical_thumbnail_slider_image_management
Aspect menu-item
HTTP status 200
Load time 0.493 s
Memory usage 2.67 MiB
JS errors None
Resource errors None

Vertical Thumbnail Slider → Preview Slider

Page screenshot: Vertical Thumbnail Slider → Preview Slider
URL /wp-admin/admin.php?page=vertical_thumbnail_slider_preview
Aspect menu-item
HTTP status 200
Load time 0.332 s
Memory usage 2.67 MiB
JS errors 
[
    {
        "message": "TypeError: Cannot read property 'offsetHeight' of undefined\n    at height (/wp-content/plugins/wp-vertical-image-slider/js/images-vertical-thumbnail-slider-jc.js?ver=5.5.1:361:18)\n    at HTMLDivElement.<anonymous> (/wp-content/plugins/wp-vertical-image-slider/js/images-vertical-thumbnail-slider-jc.js?ver=5.5.1:244:35)\n    at Function.each (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:2:2903)\n    at n.fn.init.each (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:2:846)\n    at n.fn.init.$.fn.jCarouselLite (/wp-content/plugins/wp-vertical-image-slider/js/images-vertical-thumbnail-slider-jc.js?ver=5.5.1:226:17)\n    at HTMLDocument.<anonymous> (/wp-admin/admin.php?page=vertical_thumbnail_slider_preview:184:85)\n    at i (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:2:27362)\n    at Object.fireWith [as resolveWith] (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:2:28121)\n    at Function.ready (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:2:29914)\n    at HTMLDocument.J (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,utils,moxiejs,plupload&ver=5.5.1:2:30276)",
        "trace": null,
        "code": null
    }
]
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 0.224 s
Memory usage 2.54 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.486 s0.445 s-0.041 s2.75 MiB2.8 MiB+ 42.75 KiB
/wp-admin/edit.php0.246 s0.275 s+0.029 s2.8 MiB2.84 MiB+ 42.75 KiB
/wp-admin/post-new.php1.646 s1.999 s+0.353 s4.54 MiB4.6 MiB+ 56.56 KiB
/wp-admin/upload.php0.565 s0.453 s-0.112 s2.63 MiB2.66 MiB+ 36.18 KiB
/wp-admin/options-writing.php0.186 s0.177 s-0.009 s2.64 MiB2.65 MiB+ 4.16 KiB
/wp-admin/media-new.php0.224 s0.190 s-0.034 s2.6 MiB2.64 MiB+ 36.35 KiB
/wp-admin/edit-tags.php?taxonomy=category0.203 s0.192 s-0.011 s2.64 MiB2.68 MiB+ 37.26 KiB
/wp-admin/post-new.php?post_type=page1.474 s1.478 s+0.004 s4.53 MiB4.58 MiB+ 48.15 KiB
/wp-admin/options-discussion.php0.269 s0.266 s-0.003 s2.61 MiB2.64 MiB+ 36.66 KiB
/wp-admin/edit-comments.php0.293 s0.209 s-0.084 s2.65 MiB2.68 MiB+ 36.18 KiB
/0.322 s0.206 s-0.116 s2.56 MiB2.54 MiB- 20.68 KiB
Average 0.538 s0.535 s-0.002 s3 MiB3.03 MiB+ 32.39 KiB

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

Options wp_options 2

Capabilities 6

PHP Error Log

The log file is empty.

See also: All tests for this plugin, How to Hide WordPress vertical Thumbnail Slider Admin Menus