[Bug]: Missing URL thumbnail

[aeharding]

Requirements

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• Did you check to see if this issue already exists?
• Is this only a single bug? Do not put multiple bugs in one issue.
• Is this a backend issue? Use the lemmy-ui repo for UI / frontend issues.

Summary

The following link has a missing thumbnail:

https://thebetter.news/amazon-deforestation-reduced/

Steps to Reproduce

1. Create a new post with URL = https://thebetter.news/amazon-deforestation-reduced/
2. Observe missing thumbnail

Expected behavior: Lemmy should extract the jpg from the following document meta tag:

<meta property="og:image" content="https://thebetter.news/wp-content/uploads/2024/01/lula-amazonas.jpg" />

resulting in https://thebetter.news/wp-content/uploads/2024/01/lula-amazonas.jpg.

Technical Details

Observe missing thumbnails:

• https://lemmy.world/post/12218793
• https://lemm.ee/post/24404264

Version

0.19.3

Lemmy Instance URL

lemm.ee, lemmy.world

[dessalines]

Figured it out. Was a really weird issue where that site uses a non-standard doctype line with a space where it shouldn't be:

https://github.com/LemmyNet/lemmy/pull/4472/files#diff-0cd13a4a101c05a54d9ab789fa06c9d48ab61c0e1f5c9b9a178440e9ba3a5ef5R101