Three raster bugs behind laklok's missing link cards: - A card's space is only reserved once it loads, so the newest message's card sat below the fold and was never fetched until someone posted after it. Off-screen-below cards now load anyway. - preload() guessed the type from the URL's last dot, so proxied images without one (archive.org, WeTransfer) and .ico favicons never loaded. Proxied thumbnails now name their type. - Favicons were pasted at natural size, so Reddit's 192px mark covered the room. They now fit their 32px box. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>