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@ Dave
2025-02-24 22:44:18
<media:thumbnail>
nostr:nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqjtm4dxvu3ccgk60wvvt0uw9j9vz7nuc80f7agrv0vgkkushxk5zqnzj90y advocates for using a 1280x720 <media:thumbnail> tag for this purpose because YouTube ingests this already as a wide art. The spec is here:
https://www.rssboard.org/media-rss#media-thumbnails
Pro's:
- YouTube
- Exists
Con's:
- Banners aren't the intended purpose of this tag by either the spec or YouTube. It's meant to be a thumbnail.
- Stuck to 1280x720 to be recognized as a banner, but most banners are 3:1 aspect ratio, like Bluesky (2048x512).