"Your iframe is using HTTP and will not render in preview mode" error appears on a live Open Data site when the iFrame element within the layout builder is set to a HTTP URL.
Last Published: April 16, 2018ArcGIS Online
Bug ID Number
BUG-000113204
Submitted
April 13, 2018
Last Modified
August 13, 2025
Applies to
ArcGIS Online
Version found
6.1
Status
Fixed
The bug has been fixed. See the Version Fixed and Additional Information, if applicable, for more information.
Workaround
Serve the HTML document containing iFrame content through HTTPS. This displays the content within the iFrame in a preview site as well as the live site.