You're reading it correctly, it's just telling you the wrong thing. 51% of a very small self-selecting set of machines are down, mostly small businesses or hom

You're reading it correctly, it's just telling you the wrong thing. 51% of a very small self-selecting set of machines are down, mostly small businesses or home users which have obviously been shutdown or renamed. If internettrafficreport automatically removed all devices which returned no results for 7 days, they'd be a slightly more useful resource.