Smart Slider 3 3.5.1.31

Does Smart Slider 3 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: 997.7 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 900,000+
WordPress.org page https://wordpress.org/plugins/smart-slider-3/
Badges

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Pages 6

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=smart-slider-3%2Fsmart-slider-3.php&plugin_status=all&paged=1&s&_wpnonce=bce83404ad
Aspect after-activation
HTTP status 200
Load time 0.656 s
Memory usage 6.1 MiB
JS errors None
Resource errors None

Smart Slider

Page screenshot: Smart Slider
URL /wp-admin/admin.php?page=smart-slider3
Aspect menu-item
HTTP status 200
Load time 0.970 s
Memory usage 5.1 MiB
JS errors None
Resource errors None

Smart Slider → Help center

Page screenshot: Smart Slider → Help center
URL /wp-admin/admin.php?page=smart-slider3-help
Aspect menu-item
HTTP status 200
Load time 0.886 s
Memory usage 4.98 MiB
JS errors None
Resource errors None

Smart Slider → Go Pro

Page screenshot: Smart Slider → Go Pro
URL /wp-admin/admin.php?page=smart-slider3-go-pro
Aspect menu-item
HTTP status 200
Load time 0.528 s
Memory usage 4.9 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 0.365 s
Memory usage 4.94 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 1.129 s
Memory usage 7.41 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.419 s0.442 s+0.023 s3.77 MiB4.73 MiB+ 976.8 KiB
/wp-admin/edit.php0.342 s0.438 s+0.096 s3.78 MiB4.78 MiB+ 1 MiB
/wp-admin/post-new.php0.836 s1.090 s+0.254 s6.3 MiB7.62 MiB+ 1.31 MiB
/wp-admin/upload.php0.625 s0.587 s-0.038 s3.74 MiB4.69 MiB+ 980.98 KiB
/wp-admin/options-writing.php0.322 s0.338 s+0.016 s3.71 MiB4.58 MiB+ 895.18 KiB
/wp-admin/media-new.php0.484 s0.355 s-0.129 s3.7 MiB4.57 MiB+ 895.18 KiB
/wp-admin/edit-tags.php?taxonomy=category0.430 s0.310 s-0.120 s3.71 MiB4.62 MiB+ 927.98 KiB
/wp-admin/post-new.php?post_type=page0.686 s0.697 s+0.011 s6.29 MiB7.52 MiB+ 1.23 MiB
/wp-admin/options-discussion.php0.328 s0.396 s+0.068 s3.71 MiB4.59 MiB+ 899.16 KiB
/wp-admin/edit-comments.php0.318 s0.348 s+0.030 s3.73 MiB4.63 MiB+ 916.98 KiB
/0.259 s0.185 s-0.074 s4.1 MiB4.93 MiB+ 851.93 KiB
Average 0.459 s0.471 s+0.012 s4.23 MiB5.21 MiB+ 997.7 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.

PO File
PHP
Language % Lines of code Comment lines Files
PO File58.1%79,3426,13517
PHP36.6%50,0336,876743
JavaScript4.9%6,6911,05622
SVG0.3%414027
JSON0.0%3802
CSS0.0%603
Total 136,524 14,067 814

PHP Code Analysis | More results »

Lines of code 47,172
Total complexity 8,328
Median class complexity 6.0
Median method complexity 1.0
Most complex class Nextend\Framework\Asset\Css\Less\LessCompiler
Most complex function Nextend\SmartSlider3\Slider\Feature\Responsive::__construct()
Classes 640
Methods 3,646
Functions 13

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 6

Options wp_options 2

Sidebar Widgets 1

ID Name
smartslider3Smart Slider

Capabilities 4

PHP Error Log 4 lines

[02-Dec-2025 21:19:40 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 21:19:40 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 21:19:50 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 21:19:50 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 Smart Slider 3 Admin Menus