This link is versioned to the numbers above. Send the same link again when the numbers move and the preview regenerates, which is the whole point: no stale unfurls.
https://melt.thethriftydev.com/c/bigmac/usd?v=d10f0e0115b0
No JavaScript, nothing to load from anywhere else, and the frame sandboxes itself. The numbers refresh on their own, so an embed never goes out of date on your page.
<iframe src="https://melt.thethriftydev.com/e/bigmac/usd?v=d10f0e0115b0" width="380" height="230" style="border:0;max-width:100%" loading="lazy" sandbox="" title="Big Mac in US Dollar"></iframe>
Open the full board →
Live numbers, drawn 2026-09-26T03:31:37Z · static layer refreshed 2026-09-25T19:40:14Z.