Report - Slim SEO 4.8.1 - PluginTests.com

Does Slim SEO work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-18 02:06:39 UTC.

Summary

Errors

	No PHP errors, warnings or notices
	No JavaScript exceptions
	All test pages loaded successfully
	No resource errors
	Looks good! No problems were detected.

Performance

Memory usage: 259.83 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	6.9
PHP version	8.1.12
MySQL version	10.6.10
PHP memory limit	512M

Plugin Info

Last updated	2026-03-12T07:04:00+00:00
Active installs	60,000+
WordPress.org page	https://wordpress.org/plugins/slim-seo/
Badges	Get badge code

Pages 5

Slim SEO ‹ Test site — WordPress

URL	/wp-admin/options-general.php?page=slim-seo
Requested URL	/wp-admin/plugins.php?action=activate&plugin=slim-seo%2Fslim-seo.php&plugin_status=all&paged=1&s&_wpnonce=07990fb52f
Aspect	after-activation
HTTP status	200
Load time	0.658 s
Memory usage	4.05 MiB
JS errors	None
Resource errors	None

Settings → Slim SEO

URL	/wp-admin/options-general.php?page=slim-seo
Aspect	menu-item
HTTP status	200
Load time	0.388 s
Memory usage	3.97 MiB
JS errors	None
Resource errors	None

Test site – Just another WordPress site

URL	/
Aspect	front-page
HTTP status	200
Load time	0.206 s
Memory usage	4.27 MiB
JS errors	None
Resource errors	None

Add Post ‹ Test site — WordPress

URL	/wp-admin/post-new.php
Aspect	new-meta-boxes
HTTP status	200
Load time	0.802 s
Memory usage	6.75 MiB
JS errors	None
Resource errors	None

Add Page ‹ Test site — WordPress

URL	/wp-admin/post-new.php?post_type=page
Aspect	new-meta-boxes
HTTP status	200
Load time	0.774 s
Memory usage	6.74 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.419 s	0.379 s	-0.040 s	3.77 MiB	3.99 MiB	+ 222.36 KiB
/wp-admin/edit.php	0.361 s	0.440 s	+0.079 s	3.78 MiB	4.06 MiB	+ 285.25 KiB
/wp-admin/post-new.php	0.868 s	1.052 s	+0.184 s	6.3 MiB	6.75 MiB	+ 462.27 KiB
/wp-admin/upload.php	0.628 s	0.378 s	-0.250 s	3.73 MiB	3.93 MiB	+ 203.24 KiB
/wp-admin/options-writing.php	0.345 s	0.327 s	-0.018 s	3.71 MiB	3.91 MiB	+ 207.23 KiB
/wp-admin/media-new.php	0.526 s	0.398 s	-0.128 s	3.7 MiB	3.91 MiB	+ 215.43 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.353 s	0.352 s	-0.001 s	3.71 MiB	3.93 MiB	+ 226.32 KiB
/wp-admin/post-new.php?post_type=page	0.693 s	0.784 s	+0.091 s	6.29 MiB	6.74 MiB	+ 456.06 KiB
/wp-admin/options-discussion.php	0.331 s	0.315 s	-0.016 s	3.71 MiB	3.91 MiB	+ 203.42 KiB
/wp-admin/edit-comments.php	0.325 s	0.373 s	+0.048 s	3.73 MiB	3.93 MiB	+ 203.23 KiB
/	0.285 s	0.205 s	-0.080 s	4.1 MiB	4.27 MiB	+ 173.3 KiB
Average	0.467 s	0.455 s	-0.012 s	4.23 MiB	4.48 MiB	+ 259.83 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

Language		%	Lines of code	Comment lines	Files
	PHP	83.9%	8,097	478	147
	JavaScript	8.6%	834	84	12
	Markdown	5.9%	574	0	1
	XSLT	1.4%	139	0	1
	CSS	0.1%	5	0	5
	XML	0.1%	5	0	1
Total			9,654	562	167

PHP Code Analysis | More results »

Lines of code	7,903
Total complexity	1,704
Median class complexity	9.0
Median method complexity	1.0
Most complex class	SlimSEO\Breadcrumbs
Most complex function	SlimSEO\Redirection\Redirection::redirect()

Classes	134
Methods	783
Functions	0

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` 2

slim_seo
slim_seo_db_version

Meta Boxes

{
    "post": {
        "slim-seo": {
            "title": "Search Engine Optimization",
            "context": "normal"
        }
    },
    "page": {
        "slim-seo": {
            "title": "Search Engine Optimization",
            "context": "normal"
        },
        "postexcerpt": {
            "title": "Excerpt",
            "context": "normal"
        }
    }
}

PHP Error Log

The log file is empty.

Slim SEO 4.8.1