Report - Slim SEO 4.9.0 - PluginTests.com

Does Slim SEO work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on 2026-03-11 22:50:42 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: 261.88 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	6.9.4
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=597bf5b293
Aspect	after-activation
HTTP status	200
Load time	0.620 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	0.439 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	0.195 s
Memory usage	4.28 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	0.735 s
Memory usage	6.77 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	0.776 s
Memory usage	6.75 MiB
JS errors	None
Resource errors	None

Benchmark

URL	Load time			Memory usage
URL	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.433 s	0.378 s	-0.055 s	3.78 MiB	3.99 MiB	+ 223.2 KiB
/wp-admin/edit.php	0.359 s	0.405 s	+0.046 s	3.78 MiB	4.06 MiB	+ 286.1 KiB
/wp-admin/post-new.php	0.848 s	0.978 s	+0.130 s	6.31 MiB	6.77 MiB	+ 469.71 KiB
/wp-admin/upload.php	0.649 s	0.380 s	-0.269 s	3.74 MiB	3.94 MiB	+ 204.09 KiB
/wp-admin/options-writing.php	0.324 s	0.315 s	-0.009 s	3.71 MiB	3.92 MiB	+ 208.09 KiB
/wp-admin/media-new.php	0.537 s	0.452 s	-0.085 s	3.7 MiB	3.91 MiB	+ 216.28 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.462 s	0.344 s	-0.118 s	3.72 MiB	3.94 MiB	+ 227.17 KiB
/wp-admin/post-new.php?post_type=page	0.666 s	0.780 s	+0.114 s	6.3 MiB	6.75 MiB	+ 463.51 KiB
/wp-admin/options-discussion.php	0.321 s	0.317 s	-0.004 s	3.71 MiB	3.91 MiB	+ 204.27 KiB
/wp-admin/edit-comments.php	0.326 s	0.361 s	+0.035 s	3.73 MiB	3.93 MiB	+ 204.09 KiB
/	0.260 s	0.234 s	-0.026 s	4.11 MiB	4.28 MiB	+ 174.16 KiB
Average	0.471 s	0.449 s	-0.022 s	4.24 MiB	4.49 MiB	+ 261.88 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	84.2%	8,364	503	148
	JavaScript	8.4%	834	84	12
	Markdown	5.9%	589	0	1
	XSLT	1.4%	139	0	1
	CSS	0.1%	5	0	5
	XML	0.1%	5	0	1
Total			9,936	587	168

PHP Code Analysis | More results »

Lines of code	8,157
Total complexity	1,750
Median class complexity	9.0
Median method complexity	1.0
Most complex class	SlimSEO\Breadcrumbs
Most complex function	SlimSEO\Redirection\Redirection::redirect()

Classes	135
Methods	796
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 4.9.0