Confirm the widget is saved and linked to a campaign.
Confirm the campaign still has fundraising enabled.
Paste the snippet on a blank HTML page to rule out your CMS.
Serve your site over HTTPS. A page on
http://cannot reliably load anhttps://embed (mixed content).Some hosts strip iframes — use a Custom HTML / embed block and allow iframes.
Try a private browser window (ad blockers rarely block Sharity, but extensions can).
If a Donation List should open a map on another page, confirm the header script is on the map page.
Still stuck? Send us the public page URL and a screenshot of the browser developer console (right-click → Inspect → Console).