Steve I know this is a serious matter. My point is the widget being used is the best place to put any code to request permission to allow a cookie. The widget contains the code to push a cookie onto a visitor's computer and should trigger the request. Simply placing a popup will not prevent an existing widget from pushing out a cookie.
A new widget is required and the creator of the widget must be required to include the code to make a request and then abide by the viewer's response.
This is not something you can put into a placeholder or popup layer as a standalone addition to anything that creates a cookie.
If you place any cookie creating widget/code on a page without any other content you can have the link to the page trigger a popup or intermediary page requesting permission to place a cookie. Then your popup or intermediary page must either proceed to the where the cookie will be created or return to the previous page.
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