Ha weird, I'm seeing that too. My guess would be a lack of opengraph data resulting in a weird thumbnail?
nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7qg6waehxw309ac8junpd45kgtnxd9shg6npvchxxmmd9uq3camnwvaz7tmgdajxccn0vshxxmmjv93kcefww3hk7mrn9uqsuamnwvaz7tmwdaejumr0dshsqgyhcu9ygdn2v56uz3dnx0uh865xmlwz675emfsccsxxguz6mx8ryggtgu24 this is interesting. It looks like coracle is treating this URL as an image and showing the favicon when clicked
Discussion
Yeah, confirmed this is an opengraph thing, or at least a linkpreview.net issue