Schema & Structured Data for WP & AMP 1.55

Does "Schema & Structured Data for WP & AMP" work with WordPress 6.9.1 and PHP 8.1.12? A smoke test was performed on .

Summary

Errors
2PHP warnings
No JavaScript exceptions
All test pages loaded successfully
No resource errors
Performance

Memory usage: 1.02 MiB
The average PHP memory usage increased by this amount after activating by the plugin.

Page speed impact: 0.047 seconds
The average page load time increased by this amount after activating the plugin.

Environment
WordPress version6.9.1
PHP version8.1.12
MySQL version10.6.10
PHP memory limit512M
Plugin Info
Last updated
Active installs 100,000+
WordPress.org page https://wordpress.org/plugins/schema-and-structured-data-for-wp/
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Pages 19

Plugins ‹ Test site — WordPress

Page screenshot: Plugins ‹ Test site — WordPress
URL /wp-admin/plugins.php?plugin_status=all&paged=1&s
Requested URL /wp-admin/plugins.php?action=activate&plugin=schema-and-structured-data-for-wp%2Fstructured-data-for-wp.php&plugin_status=all&paged=1&s&_wpnonce=3c92e72588
Aspect after-activation
HTTP status 200
Load time 1.112 s
Memory usage 5.06 MiB
JS errors None
Resource errors None

Structured Data

Page screenshot: Structured Data
URL /wp-admin/edit.php?post_type=saswp
Aspect menu-item
HTTP status 200
Load time 0.722 s
Memory usage 4.8 MiB
JS errors None
Resource errors None

Structured Data → Reviews

Page screenshot: Structured Data → Reviews
URL /wp-admin/edit.php?post_type=saswp_reviews
Aspect menu-item
HTTP status 200
Load time 0.577 s
Memory usage 5.02 MiB
JS errors None
Resource errors None

Structured Data → Reviews → Collections

Page screenshot: Structured Data → Reviews → Collections
URL /wp-admin/edit.php?post_type=saswp-collections
Aspect menu-item-tab
HTTP status 200
Load time 0.476 s
Memory usage 4.8 MiB
JS errors None
Resource errors None

Structured Data → Reviews → Accept Reviews

Page screenshot: Structured Data → Reviews → Accept Reviews
URL /wp-admin/edit.php?post_type=saswp_reviews
Aspect menu-item-tab
HTTP status 200
Load time 0.605 s
Memory usage 5.02 MiB
JS errors None
Resource errors None

Structured Data → Settings

Page screenshot: Structured Data → Settings
URL /wp-admin/edit.php?post_type=saswp&page=structured_data_options
Aspect menu-item
HTTP status 200
Load time 1.506 s
Memory usage 5.05 MiB
JS errors None
Resource errors None

Structured Data → Settings → Review

Page screenshot: Structured Data → Settings →  Review
URL /wp-admin/admin.php?page=structured_data_options&tab=review
Aspect menu-item-tab
HTTP status 200
Load time 0.941 s
Memory usage 5.06 MiB
JS errors None
Resource errors None

Structured Data → Settings → Compatibility

Page screenshot: Structured Data → Settings →  Compatibility
URL /wp-admin/admin.php?page=structured_data_options&tab=compatibility
Aspect menu-item-tab
HTTP status 200
Load time 0.865 s
Memory usage 5.05 MiB
JS errors None
Resource errors None

Structured Data → Settings → Email Schema

Page screenshot: Structured Data → Settings →  Email Schema
URL /wp-admin/admin.php?page=structured_data_options&tab=email_schema
Aspect menu-item-tab
HTTP status 200
Load time 0.766 s
Memory usage 5.05 MiB
JS errors None
Resource errors None

Structured Data → Settings → Advanced

Page screenshot: Structured Data → Settings →  Advanced
URL /wp-admin/admin.php?page=structured_data_options&tab=tools
Aspect menu-item-tab
HTTP status 200
Load time 0.831 s
Memory usage 5.05 MiB
JS errors None
Resource errors None

Structured Data → Settings → Premium Features

Page screenshot: Structured Data → Settings →  Premium Features
URL /wp-admin/admin.php?page=structured_data_options&tab=premium_features
Aspect menu-item-tab
HTTP status 200
Load time 0.795 s
Memory usage 5.05 MiB
JS errors None
Resource errors None

Structured Data → Settings → Services

Page screenshot: Structured Data → Settings →  Services
URL /wp-admin/admin.php?page=structured_data_options&tab=services
Aspect menu-item-tab
HTTP status 200
Load time 0.799 s
Memory usage 5.05 MiB
JS errors None
Resource errors None

Structured Data → Settings → Support

Page screenshot: Structured Data → Settings →  Support
URL /wp-admin/admin.php?page=structured_data_options&tab=support
Aspect menu-item-tab
HTTP status 200
Load time 0.781 s
Memory usage 5.05 MiB
JS errors None
Resource errors None

Structured Data → Upgrade To Premium

Page screenshot: Structured Data → Upgrade To Premium
URL /wp-admin/edit.php?post_type=saswp&page=structured_data_premium
Aspect menu-item
HTTP status 200
Load time 0.227 s
Memory usage N/A
JS errors None
Resource errors None

Structured Data →

Page screenshot: Structured Data →
URL /wp-admin/edit.php?post_type=saswp&page=collection
Aspect menu-item
HTTP status 200
Load time 0.508 s
Memory usage 4.98 MiB
JS errors None
Resource errors None

Test site – Just another WordPress site

Page screenshot: Test site – Just another WordPress site
URL /
Aspect front-page
HTTP status 200
Load time 0.350 s
Memory usage 5.09 MiB
JS errors None
Resource errors None

Add Post ‹ Test site — WordPress

Page screenshot: Add Post ‹ Test site — WordPress
URL /wp-admin/post-new.php
Aspect new-meta-boxes
HTTP status 200
Load time 0.771 s
Memory usage 7.43 MiB
JS errors None
Resource errors None

Add Page ‹ Test site — WordPress

Page screenshot: Add Page ‹ Test site — WordPress
URL /wp-admin/post-new.php?post_type=page
Aspect new-meta-boxes
HTTP status 200
Load time 0.747 s
Memory usage 7.42 MiB
JS errors None
Resource errors None

Widgets ‹ Test site — WordPress

Page screenshot: Widgets ‹ Test site — WordPress
URL /wp-admin/widgets.php
Aspect new-sidebar-widgets
HTTP status 200
Load time 1.180 s
Memory usage 7.18 MiB
JS errors None
Resource errors None

Benchmark

URL Load time Memory usage
Inactive Active Change Inactive Active Change
/wp-admin/index.php0.450 s0.455 s+0.005 s3.78 MiB4.76 MiB+ 1011.38 KiB
/wp-admin/edit.php0.380 s0.355 s-0.025 s3.78 MiB4.82 MiB+ 1.04 MiB
/wp-admin/post-new.php0.867 s1.072 s+0.205 s6.31 MiB7.43 MiB+ 1.12 MiB
/wp-admin/upload.php0.485 s0.428 s-0.057 s3.74 MiB4.73 MiB+ 1019.59 KiB
/wp-admin/options-writing.php0.329 s0.559 s+0.230 s3.71 MiB4.71 MiB+ 1021.91 KiB
/wp-admin/media-new.php0.536 s0.408 s-0.128 s3.7 MiB4.71 MiB+ 1.01 MiB
/wp-admin/edit-tags.php?taxonomy=category0.329 s0.321 s-0.008 s3.72 MiB4.73 MiB+ 1.01 MiB
/wp-admin/post-new.php?post_type=page0.726 s0.854 s+0.128 s6.31 MiB7.42 MiB+ 1.11 MiB
/wp-admin/options-discussion.php0.352 s0.396 s+0.044 s3.71 MiB4.71 MiB+ 1018.41 KiB
/wp-admin/edit-comments.php0.356 s0.531 s+0.175 s3.73 MiB4.73 MiB+ 1017.91 KiB
/0.291 s0.234 s-0.057 s4.11 MiB5.09 MiB+ 1002.51 KiB
Average 0.464 s0.510 s+0.047 s4.24 MiB5.26 MiB+ 1.02 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.

PHP
JavaScript
CSS
Language % Lines of code Comment lines Files
PHP71.5%67,3013,22678
JavaScript14.4%13,55432831
CSS13.3%12,48435034
SVG0.7%68933
JSX0.0%4321
Total 94,071 3,909 147

PHP Code Analysis | More results »

Lines of code 64,339
Total complexity 13,631
Median class complexity 46.5
Median method complexity 1.0
Most complex class SASWP_Output_Service
Most complex function SASWP_Output_Service::saswp_replace_with_custom_fields_value()
Classes 30
Methods 453
Functions 490

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 5

Custom Post Types 4

ID Name
saswpStructured Data
saswp_reviewsReviews
saswp_rvs_locationLocation
saswp-collectionsCollections

Sidebar Widgets 2

ID Name
saswp_location_widgetSASWP Location
saswp_google_review_widgetReviews

Meta Boxes

{
    "post": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "page": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "attachment": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "customize_changeset": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "oembed_cache": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "wp_block": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "wp_template": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "wp_template_part": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "wp_global_styles": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "wp_navigation": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "wp_font_family": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "wp_font_face": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "saswp_reviews": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        },
        "saswp_reviews_form": {
            "title": "Reviews form Shortcode",
            "context": "side"
        },
        "saswp_reviews_usage": {
            "title": "Review Usage",
            "context": "side"
        },
        "submitdiv": {
            "title": "Publish",
            "context": "side"
        },
        "saswp_review_content": {
            "title": "Review Content",
            "context": "normal"
        }
    },
    "saswp_rvs_location": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "saswp-collections": {
        "SASWP_Post_Specific": {
            "title": "Schema & Structured Data on this post",
            "context": "advanced"
        }
    },
    "saswp": {
        "saswp_schema_type": {
            "title": "Schema Type",
            "context": "normal"
        },
        "saswp_amp_select": {
            "title": "Placement",
            "context": "normal"
        },
        "saswp_schema_options": {
            "title": "Advance Schema Options",
            "context": "normal"
        },
        "saswp_location_meta_box": {
            "title": "Front End",
            "context": "side"
        },
        "saswp_help_meta_box": {
            "title": "Help",
            "context": "side"
        },
        "submitdiv": {
            "title": "Publish",
            "context": "side"
        }
    }
}

PHP Error Log 2 lines

[06-Feb-2026 08:11:46 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /wp-admin/includes/misc.php:1406) in /wp-includes/pluggable.php on line 1531
[06-Feb-2026 08:11:46 UTC] PHP Warning:  Cannot modify header information - headers already sent by (output started at /wp-admin/includes/misc.php:1406) in /wp-includes/pluggable.php on line 1534
See also: All tests for this plugin, How to Hide Schema & Structured Data for WP & AMP Admin Menus and Meta Boxes