Undetached pattern in a FSE theme, not able to see and analyze its content

[spectodesign]

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• I've searched for any related issues and avoided creating a duplicate issue.

Please give us a description of what happened

When an un-detached pattern is used in a FSE theme (2025), Yoast is not able to see and analyze its content

To Reproduce

Step-by-step reproduction instructions

1. Include an un-detached pattern
2. Make sure the pattern has an image and h1 header etc
3. Look at Yoast page evaluation

Expected results

1. Yoast understands that there is an image and h1 header etc

Actual results

1. Youst complains about a missing image, h1 and external links, etc

Screenshots, screen recording, code snippet

If possible, please provide a screenshot, a screen recording or a code snippet which demonstrates the bug.

Technical info

• If relevant, which editor is affected (or editors):

• Block Editor
• Gutenberg Editor
• Elementor Editor
• Classic Editor
• Other:

• Which browser is affected (or browsers):

• Chrome
• Firefox
• Safari
• Other:

Used versions

• Device you are using:
• Operating system:
• PHP version:
• WordPress version:
• WordPress Theme:
• Yoast SEO version:
• Gutenberg plugin version:
• Elementor plugin version:
• Classic Editor plugin version:
• Relevant plugins in case of a bug: