I'm using SE full web sites on iPad and now noticed that some items are not tappable in the featured/hot block on the right side of most pages:
This image was taken on Stack Overflow, but same effect is on other sites too.
In Google Chrome top items can be opened only in new tabs via long tap. In Safari it is not possible at all for red circled items.
Seems the problem is more complex, in particular "Advanced Search Tips" not tappable on Stack Overflow: