In Insights, you can block a SmartFrame on a specific URL at any time. This means that the blocked SmartFrame will no longer be visible on that URL (other SmartFrames on that URL will not be affected). If you want to disable all embeds on a specific domain, try blacklisting it in the Control section.
To block a SmartFrame, you need to select it in the Embed Report or go directly to the embed page by clicking on the embed in the report, and click on the “Block” button. You will be asked to confirm it. Once a SmartFrame is blocked, it will no longer be visible on this specific URL and will be replaced by this image:
You can unblock the embed at any time by clicking on the “Unblock” button.