Report - WP Speed of Light 3.3.5

Does WP Speed of Light work with WordPress 6.8.2 and PHP 8.1.12? A smoke test was performed on 2025-07-16 19:13:02 UTC.

Summary

Errors

28	PHP notices
2	PHP deprecation warnings
1	JavaScript exceptions
	All test pages loaded successfully
	No resource errors

Performance

Memory usage: 229.64 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	2025-07-17T08:05:00+00:00
Active installs	8,000+
WordPress.org page	https://wordpress.org/plugins/wp-speed-of-light/
Badges	Get badge code

Pages 6

Speed Of Light › Setup Wizard

URL	/wp-admin/index.php?page=wpsol-wizard
Requested URL	/wp-admin/plugins.php?action=activate&plugin=wp-speed-of-light%2Fwp-speed-of-light.php&plugin_status=all&paged=1&s&_wpnonce=4b2df5d95b
Aspect	after-activation
HTTP status	200
Load time	0.388 s
Memory usage	N/A
JS errors	[ { "message": "ReferenceError: icon is not defined\n at Boolean.<anonymous> (/wp-content/plugins/wp-speed-of-light/assets/js/install-wizard.js?ver=3.3.5:26:88)\n at Function.each (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,hoverIntent,utils,wp-dom-ready,wp-hooks&ver=6.8.2:2:3179)\n at Object.success (/wp-content/plugins/wp-speed-of-light/assets/js/install-wizard.js?ver=3.3.5:21:23)\n at c (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,hoverIntent,utils,wp-dom-ready,wp-hooks&ver=6.8.2:2:25304)\n at Object.fireWith [as resolveWith] (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,hoverIntent,utils,wp-dom-ready,wp-hooks&ver=6.8.2:2:26053)\n at l (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,hoverIntent,utils,wp-dom-ready,wp-hooks&ver=6.8.2:2:77782)\n at XMLHttpRequest.<anonymous> (/wp-admin/load-scripts.php?c=0&load%5Bchunk_0%5D=jquery-core,jquery-migrate,hoverIntent,utils,wp-dom-ready,wp-hooks&ver=6.8.2:2:80265)", "trace": null, "code": null } ]
Resource errors	None

WP Speed of Light

URL	/wp-admin/admin.php?page=wpsol_dashboard
Aspect	menu-item
HTTP status	200
Load time	0.424 s
Memory usage	3.77 MiB
JS errors	None
Resource errors	None

WP Speed of Light → Speed optimization

URL	/wp-admin/admin.php?page=wpsol_speed_optimization
Aspect	menu-item
HTTP status	200
Load time	0.820 s
Memory usage	4.13 MiB
JS errors	None
Resource errors	None

WP Speed of Light → Speed analysis

URL	/wp-admin/admin.php?page=wpsol_speed_analysis
Aspect	menu-item
HTTP status	200
Load time	0.386 s
Memory usage	3.93 MiB
JS errors	None
Resource errors	None

WP Speed of Light → More SpeedUp

URL	/wp-admin/admin.php?page=wpsol_more_speedup
Aspect	menu-item
HTTP status	200
Load time	0.241 s
Memory usage	3.71 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.332 s
Memory usage	3.57 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.404 s	0.339 s	-0.065 s	3.51 MiB	3.77 MiB	+ 273.88 KiB
/wp-admin/edit.php	0.261 s	0.263 s	+0.002 s	3.57 MiB	3.86 MiB	+ 293.88 KiB
/wp-admin/post-new.php	1.048 s	1.016 s	-0.032 s	6.06 MiB	6.32 MiB	+ 261.78 KiB
/wp-admin/upload.php	0.693 s	0.631 s	-0.062 s	3.52 MiB	3.73 MiB	+ 213.99 KiB
/wp-admin/options-writing.php	0.261 s	0.265 s	+0.004 s	3.5 MiB	3.71 MiB	+ 212.56 KiB
/wp-admin/media-new.php	0.296 s	0.311 s	+0.015 s	3.49 MiB	3.71 MiB	+ 220.76 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.210 s	0.232 s	+0.022 s	3.5 MiB	3.73 MiB	+ 231.43 KiB
/wp-admin/post-new.php?post_type=page	0.655 s	0.684 s	+0.029 s	6.05 MiB	6.3 MiB	+ 256.22 KiB
/wp-admin/options-discussion.php	0.286 s	0.490 s	+0.204 s	3.5 MiB	3.71 MiB	+ 209.69 KiB
/wp-admin/edit-comments.php	0.239 s	0.278 s	+0.039 s	3.52 MiB	3.73 MiB	+ 208.56 KiB
/	0.332 s	0.303 s	-0.029 s	3.43 MiB	3.57 MiB	+ 143.32 KiB
Average	0.426 s	0.437 s	+0.012 s	3.97 MiB	4.19 MiB	+ 229.64 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

JavaScript

Language		%	Lines of code	Comment lines	Files
	PHP	52.5%	13,573	4,817	56
	CSS	29.5%	7,636	413	14
	JavaScript	12.4%	3,204	507	20
	SVG	5.7%	1,463	0	4
Total			25,876	5,737	94

PHP Code Analysis | More results »

Lines of code	9,708
Total complexity	2,120
Median class complexity	39.0
Median method complexity	3.0
Most complex class	Joomunited\WPSOL\MobileDetect
Most complex function	JuCheckDebugData::debugData()

Classes	34
Methods	317
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.

Options `wp_options` 8

wpsol_cdn_integration
wpsol_configuration
wpsol_database_queries_analysis
wpsol_db_version
wpsol_jufeedback_version
wpsol_jureview_installation_time
wpsol_optimization_settings
wpsol_version

PHP Error Log 30 lines

[16-Jul-2025 19:13:20 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:20 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:20 UTC] PHP Deprecated:  Function print_emoji_styles is <strong>deprecated</strong> since version 6.4.0! Use wp_enqueue_emoji_styles instead. in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:20 UTC] PHP Deprecated:  Function wp_admin_bar_header is <strong>deprecated</strong> since version 6.4.0! Use wp_enqueue_admin_bar_header_styles instead. in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:20 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:21 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:22 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:22 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:23 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:24 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:24 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:25 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:26 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:28 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:28 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:29 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:29 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:31 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:31 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:32 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:32 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:33 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:33 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:33 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:35 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:35 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:36 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:36 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:37 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121
[16-Jul-2025 19:13:37 UTC] PHP Notice:  Function _load_textdomain_just_in_time was called <strong>incorrectly</strong>. Translation loading for the <code>wp-speed-of-light</code> domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the <code>init</code> action or later. 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 6.7.0.) in /wp-includes/functions.php on line 6121

WP Speed of Light 3.3.5