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2. Slim SEO – A Fast & Automated SEO Plugin For WordPress
3. 4.7.3

Slim SEO 4.7.3

Does Slim SEO work with WordPress 6.9 and PHP 8.1.12? A smoke test was performed on 2025-12-03 02:20:51 UTC.

Summary

Pages 5

Slim SEO ‹ Test site — WordPress

Settings → Slim SEO

Test site – Just another WordPress site

Add Post ‹ Test site — WordPress

Add Page ‹ Test site — WordPress

Benchmark

URL	Load time			Memory usage
	Inactive	Active	Change	Inactive	Active	Change
/wp-admin/index.php	0.453 s	0.426 s	-0.027 s	3.78 MiB	3.99 MiB	+ 220.2 KiB
/wp-admin/edit.php	0.375 s	0.523 s	+0.148 s	3.78 MiB	4.06 MiB	+ 283.09 KiB
/wp-admin/post-new.php	0.833 s	1.202 s	+0.369 s	6.31 MiB	6.76 MiB	+ 460.1 KiB
/wp-admin/upload.php	0.470 s	0.391 s	-0.079 s	3.74 MiB	3.93 MiB	+ 201.09 KiB
/wp-admin/options-writing.php	0.349 s	0.336 s	-0.013 s	3.71 MiB	3.91 MiB	+ 205.08 KiB
/wp-admin/media-new.php	0.564 s	0.497 s	-0.067 s	3.7 MiB	3.91 MiB	+ 213.27 KiB
/wp-admin/edit-tags.php?taxonomy=category	0.341 s	0.368 s	+0.027 s	3.72 MiB	3.93 MiB	+ 224.16 KiB
/wp-admin/post-new.php?post_type=page	0.728 s	0.822 s	+0.094 s	6.3 MiB	6.74 MiB	+ 453.91 KiB
/wp-admin/options-discussion.php	0.357 s	0.333 s	-0.024 s	3.71 MiB	3.91 MiB	+ 201.27 KiB
/wp-admin/edit-comments.php	0.343 s	0.375 s	+0.032 s	3.73 MiB	3.93 MiB	+ 201.08 KiB
/	0.311 s	0.251 s	-0.060 s	4.12 MiB	4.29 MiB	+ 172.84 KiB
Average	0.466 s	0.502 s	+0.036 s	4.24 MiB	4.49 MiB	+ 257.83 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.

Language		%	Lines of code	Comment lines	Files
	PHP	83.5%	7,864	469	143
	JavaScript	8.9%	836	87	10
	Markdown	6.0%	563	0	1
	XSLT	1.5%	139	0	1
	CSS	0.1%	7	0	7
	XML	0.1%	5	0	1
Total			9,414	556	163

PHP Code Analysis | More results »

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 4 lines

[03-Dec-2025 02:21:14 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
[03-Dec-2025 02:21:14 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
[03-Dec-2025 02:21:25 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
[03-Dec-2025 02:21:25 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

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