I've found that most sites which attempt to block access due to ad-blockers typically do so with a full-page pop-up element which hides the (fully loaded) conte

I've found that most sites which attempt to block access due to ad-blockers typically do so with a full-page pop-up element which hides the (fully loaded) content underneath. With uBlock Origin it's easy enough to use the element-picker to remove the blocking elements of the webpage.