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Yoast SEO 27.1.1

Does Yoast SEO work with WordPress 6.9.4 and PHP 8.1.12? A smoke test was performed on 2026-03-11 15:53:23 UTC.

Summary

Pages 17

‹ Test site — WordPress

Tools → Yoast Redirects

Yoast SEO

Yoast SEO → Settings

Yoast SEO → Integrations

Yoast SEO → Tools

Yoast SEO → Academy

Yoast SEO → Plans

Yoast SEO → Workouts

Yoast SEO → Redirects

Yoast SEO → Support

Yoast SEO → Upgrade

Yoast SEO → AI Brand Insights

Test site - Just another WordPress site

Dashboard ‹ Test site — WordPress

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	0.529 s	1.084 s	+0.555 s	3.78 MiB	4.96 MiB	+ 1.18 MiB
/wp-admin/edit.php	0.362 s	0.471 s	+0.109 s	3.79 MiB	5.17 MiB	+ 1.38 MiB
/wp-admin/post-new.php	0.837 s	1.675 s	+0.838 s	6.31 MiB	8.15 MiB	+ 1.84 MiB
/wp-admin/upload.php	0.450 s	0.817 s	+0.367 s	3.74 MiB	4.87 MiB	+ 1.13 MiB
/wp-admin/options-writing.php	0.368 s	0.695 s	+0.327 s	3.72 MiB	4.84 MiB	+ 1.12 MiB
/wp-admin/media-new.php	0.500 s	0.351 s	-0.149 s	3.71 MiB	4.83 MiB	+ 1.12 MiB
/wp-admin/edit-tags.php?taxonomy=category	0.317 s	0.399 s	+0.082 s	3.72 MiB	4.86 MiB	+ 1.14 MiB
/wp-admin/post-new.php?post_type=page	0.696 s	1.312 s	+0.616 s	6.3 MiB	8.07 MiB	+ 1.76 MiB
/wp-admin/options-discussion.php	0.377 s	0.409 s	+0.032 s	3.72 MiB	4.84 MiB	+ 1.12 MiB
/wp-admin/edit-comments.php	0.369 s	0.365 s	-0.004 s	3.74 MiB	4.88 MiB	+ 1.14 MiB
/	0.339 s	0.203 s	-0.136 s	4.13 MiB	5.12 MiB	+ 1021.91 KiB
Average	0.468 s	0.707 s	+0.240 s	4.24 MiB	5.51 MiB	+ 1.27 MiB

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	99.0%	78,351	69,472	1,359
	SVG	0.6%	457	1	80
	JSON	0.2%	149	0	3
	XSLT	0.2%	145	0	1
	XML	0.1%	44	0	1
	Markdown	0.0%	24	0	1
Total			79,170	69,473	1,445

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.

Database Tables 5

• wp_yoast_indexable
• wp_yoast_indexable_hierarchy
• wp_yoast_migrations
• wp_yoast_primary_term
• wp_yoast_seo_links

Options wp_options 6

• wpseo
• wpseo_llmstxt
• wpseo_social
• wpseo_titles
• wpseo_tracking_only
• yoast_migrations_free

User Metadata wp_usermeta 3

• wp_yoast_notifications
• _yoast_wpseo_introductions
• _yoast_wpseo_task_list_opt_in_notification_seen

Meta Boxes

{
    "dashboard": {
        "wpseo-dashboard-overview": {
            "title": "Yoast SEO Posts Overview",
            "context": "normal"
        },
        "wpseo-wincher-dashboard-overview": {
            "title": "Yoast SEO / Wincher: Top Keyphrases",
            "context": "normal"
        }
    },
    "post": {
        "wpseo_meta": {
            "title": "Yoast SEO",
            "context": "normal"
        }
    },
    "page": {
        "wpseo_meta": {
            "title": "Yoast SEO",
            "context": "normal"
        }
    }
}

Roles 2

ID	Name
wpseo_manager	SEO Manager
wpseo_editor	SEO Editor

Capabilities 4

• wpseo_manage_options
• wpseo_bulk_edit
• wpseo_edit_advanced_metadata
• view_site_health_checks

PHP Error Log 1 lines

[11-Mar-2026 15:53:44 UTC] PHP Deprecated:  strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in /wp-admin/admin-header.php on line 41

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